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Force-absorbing means incorporated into headrest area

Subclass of:

297 - Chairs and seats

297216100 - CRASH SEAT

Patent class list (only not empty are listed)

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Entries
DocumentTitleDate
20100052379HEADREST - A headrest includes a base member assembled to a seat back; a support plate assembled to the base member by a link mechanism; a lock mechanism which operates along with the link mechanism, whereupon the support plate springs out, a return prevention mechanism configured to prevent the support plate from returning to an initial position by a load imposed during the support plate springing out. The return prevention mechanism includes a ratchet including a step at an outer peripheral surface thereof, and a stopper rotatably attached to the base member to be capable of engaging with the step of the ratchet. The stopper is provided to be switchable between a first state in which the stopper is urged in a first rotating direction to engage with the step and a second state in which the stopper is urged in a second rotating direction opposite to the first rotating direction.03-04-2010
20100140988CLUTCH MECHANISM FOR VEHICLE SEAT - A coupling arm presses a first or second arm of a swing member, connected to a frame of a seat back, by an occupant's backrest load caused by a rear-end collision of a vehicle to pivotally move the swing member. The swing member has a first arm receiving a first backrest load via the coupling arm and a second arm receiving a second backrest load, which is larger than the first backrest load, via the coupling arm. A distance between the first arm and a rotation center of the swing member is longer than a distance between the second and the rotation center of the swing member.06-10-2010
20110193377Coupling Mechanism for Headrest of Vehicle Seat - A vehicle seat is provided comprising a seat back frame having right and left side frames, a headrest for supporting a head of a seat occupant, and a back-and-forth movable body provided inside a backrest that is positioned at a rear of the seat occupant, wherein a backward movement of the back-and-forth movable body forwardly moves the headrest to support the head of the seat occupant. The back-and-forth movable body is attached to each side frame through a link member and is provided with a backward protrusion protruding backward, and the backward protrusion extends laterally.08-11-2011
20130076087VEHICLE SEAT - A backrest frame is provided with a cushion plate of one substantially square plate form positioned behind the waist from the upper part of the back of a vehicle seat occupant, movably back and forth by way of a plurality of upper and lower parallel seat springs, one end of either one of a pair of right and left seat springs of the plurality of upper and lower parallel seat springs is connected to a pair of lower link mechanisms provided rotatably on the backrest frame, and a rear end collision sensor is formed by the cushion plate between the seat springs for moving a headrest forward, and a coupling part of the other end of the seat spring is directly attached to the lower link mechanism.03-28-2013
20130076086REAR IMPACT HEAD DISPLACEMENT REDUCTION THROUGH THE APPLICATION OF STRAIN RATE HARDENING CUSHIONING MATERIALS - A head restraint for a seat includes a core support structure supporting a dual rate cushioning foam. The dual rate cushioning foam includes a dilatant material that changes from a first compression rate providing a first stiffness to a second compression rate providing a second stiffness in response to a strain rate in the dilatant material rising above a pre-defined limit. The first compression rate at the first stiffness provides a softer feel to the occupant for normal operation of the vehicle. The second compression rate at the second stiffness provides a stiffer resistance to resist the sudden rearward movement of the occupant's head in the event of a sudden rear impact.03-28-2013
20090121526Head Rest Control Systems - It is one object of the present invention to provide a control for moving a head rest in response to a signal from a sensor detecting a distance between the head rest and a head of a passenger, in which even if the head of the passenger moves within a predetermined range, the head rest can be prevented from moving depending on the motion of the head of the passenger so as to remove discomfort for the passenger.05-14-2009
20100109397ACTIVE HEAD RESTRAINT FOR A VEHICLE SEAT - An apparatus for providing an electrical connection between a vehicle seat (05-06-2010
20100109396ACTIVE HEADREST DEVICE FOR A VEHICLE - An active headrest device, for a vehicle, provided with at least a headrest portion (05-06-2010
20130082496VEHICLE SEAT - A vehicle seat is provided comprising a seat back frame having right and left side frames, a headrest for supporting a head of a seat occupant, and a back-and-forth movable plate member provided inside a backrest that is positioned at a rear of the seat occupant, wherein a backward movement of the plate reduces a distance between the head of the seat occupant and the headrest. The plate is attached to each side frame through a link member and a link support shaft swingably supports the link member. A bracket member that supports the link support shaft and is attached to the side frame.04-04-2013
20090315371CABLE CONNECTION STRUCTURE - An operation cable has an operational structure in which an inner member inserted into a tubular outer member is pulled from a lower end side thereof. The operation cable having a double layer structure is axially connected to a double layer cable that is constructed from a stay of a headrest and a push rod inserted into the tubular stay. In particular, the stay is inserted into a support positioned on an upper portion of the seat back, a lower end of the stay and an upper end of the inner member are axially connected to each other, so that a lower end of the push rod in the tubular stay and a head portion of the outer member are positioned closer to each other. As a result, the push rod can be pushed by the head portion of the outer member when the operation cable is pulled.12-24-2009
20120112504VEHICLE SEAT HAVING ACTIVE HEAD RESTRAINT SYSTEM - A vehicle seat assembly having a seatback frame, an upper armature that is movable relative to the seatback frame and a head restraint mounted on the upper armature. A linkage assembly operatively interconnects the upper armature and an impact body such that movement of the impact body relative to the seatback frame acts on the linkage assembly to move the upper armature relative to the seatback frame to cause the head restraint to move toward the occupant. The linkage assembly includes a linkage and a coupler movably connected to the linkage. The coupler includes a first member movably connected to the seatback frame and a second member movably connected to the first member at a location below the upper end of the impact body.05-10-2012
20120223552HEAD RESTRAINT AND VEHICLE SEAT - A head restraint includes a contact surface movable toward and away from a seat occupant's head. The contact surface is connected to a fluid system that includes a piston rod. The fluid system adjusts the comfort and/or safety of the head contact surface. The fluid system comprises means for fixing the piston rod in a particular position in an accident situation.09-06-2012
20110012401VEHICLE SEAT WITH CUSHION PLATE - A vehicle seat comprises a rectangular-shaped seat back frame having right and left side frames; a flexible plate member provided between the right and left side frames; a seat back cushion provided in front of the flexible plate member; a mechanism for pushing the seat back cushion to a front direction by forwardly protruding the flexible plate member that results from the flexible plate member being bent; a headrest for supporting a head of a seat occupant, wherein the headrest is forwardly movably connected to the right and left side frames via right and left link members; and a rear-end collision detecting plate disposed at a portion of the seat back frame behind the seat occupant, wherein the rear-end collision detecting plate detects rearward movement of the seat occupant;01-20-2011
20110012400VEHICLE SEAT WITH A STOWABLE HEAD RESTRAINT AND AN ANTI-WHIPLASH SYSTEM - The present invention relates to a vehicle seat, in particular a backseat, comprising a head restraint (01-20-2011
20110012399HEAD REST FOR A VEHICLE - The invention relates to a head read for a vehicle seat in which, in the event of an accident, at least one first section of the head rest that is oriented towards the head of the seat occupant can be displaced, due to the effect of a relative displacement of a second section of the head rest that is arranged essentially between the first section and the third section, from a working position into a safety position in the direction of the head of the seat occupant, in the direction of displacement. The relative movement of the sections is a rotation about an essentially parallel rotational axis in the direction of displacement. A mounting of the first section in relation to the second section is provided during the relative displacement about the rotational axis. The first section comprises a first bearing surface and the second section comprises a second bearing surface.01-20-2011
20090261635HEADREST INCLINING APPARATUS OF ACTIVE HEAD REST - A headrest inclining apparatus for moving a headrest forward by a pressure generated when a passenger moves backward relative to a seat back, in which an energizing device is provided in a support bracket, and the upper part of the support bracket is always energized backward relative to a vehicle. The support bracket is always moved along a fixed path, and is not caught by other parts or devices when moving back into the holder. The support bracket is smoothly and securely returned into the holder.10-22-2009
20110285185VEHICLE SEAT - A vehicle seat capable, with a simple, lightweight structure, of improving a whiplash moderation effect from a head rest. In the vehicle seat (11-24-2011
20100090505AUTOMOBILE SEAT - An automobile seat includes a swinging motion restraint mechanism for restraining a swinging motion of a sub-frame relative to side frames. The swinging motion restraint mechanism includes a swing axis mounted on the sub-frame, a swinging motion restraint member rotatably mounted on one of the side frames and having a first contact portion and a second contact portion, both of which are brought into contact with the swing axis one at a time, and an elastic member for biasing the swinging motion restraint member toward the swing axis. In an initial state in which no load is applied to a seat back, the first contact portion of the swinging motion restraint member is held in contact with the swing axis, while when a load greater than a predetermined value is inputted to the seat back from before, the sub-frame is caused to swing about a hinge to thereby move a headrest forward, and the second contact portion of the swinging motion restraint member is brought into contact with the swing axis, thereby holding the headrest at a position after the movement.04-15-2010
20090102254ACTIVE HEAD RESTRAINT SYSTEM WITH ACTUATING SYSTEM FOR A VEHICLE SEAT - In one embodiment, a vehicle seat has a frame and is adapted to be mounted within a vehicle. The frame has first and second side members. The frame supports a head restraint that is moveable to an extended position providing support during an impact condition. An active head restraint system is connected to the head restraint for moving the head restraint when actuated. A cable is connected to the active head restraint. An impact member has a first end attached to the first side member, an intermediate portion spanning across a lumbar region and a second end extending to and not directly affixed to one of the first and second side members. The impact member is attached to the cable to translate upon receiving an input force from the occupant in response to the impact condition, displacing the cable and actuating the active head restraint system.04-23-2009
20090102255MOTOR VEHICLE SEAT - A vehicle seat (04-23-2009
20080265637Active Headrest Mechanism for Vehicle Seat - A vehicle seat of the invention includes: a rectangular-shaped seat back frame (10-30-2008
20080211273Triggering device - The present invention relates to a an actuation unit having a triggering device for the moving of a headrest into a predetermined position, with the triggering device comprising a pyrotechnic gas generator and a triggering member which is movable from a blocking position into a release position.09-04-2008
20090309398COUPLING MECHANISM FOR HEADREST OF VEHICLE SEAT - A vehicle seat of the invention has an upper movable member (12-17-2009
20120292960HEADREST FOR A PASSENGER SEAT FOR AN AIRCRAFT - The aircraft passenger seat headrest (11-22-2012
20090001785Integrated Lumbar and Active Head Rest System - An integrated active headrest/lumbar seating system 01-01-2009
20100007183VEHICLE SEAT - A vehicle seat comprises a cushion plate mounted on seat springs, a seat cushion provided in front of the cushion plate; and an auxiliary plate provided between the seat cushion and the cushion plate for pushing out the seat cushion forward. The auxiliary plate is provided at its upper portion with a plurality of hooks to be engaged in a plurality of engagement holes formed in the cushion plate. The hooks are engaged in the engagement holes so that they can rotate around a lateral direction but do not move in back-and-forth direction and in a vertical direction.01-14-2010
20120091767DAMPER AND VEHICLE SEAT EQUIPPED WITH THE DAMPER - A damper includes a vessel; a partitioning member which partitions an internal space of the vessel into two accommodation chambers for accommodating a viscous fluid and which is movable with respect to the vessel; a moving force imparting device for imparting to the partitioning member a moving force in an A04-19-2012
20110198900BASE BODY OF A HEADREST OF A VEHICLE SEAT - The invention relates to a base body of a headrest of a vehicle seat having a base, particularly for receiving headrest carriers for arranging the headrest at a vehicle seat, and a support body having a support surface for a head. In order to provide a base body for a headrest and a headrest, which in the case of a crash reduces the risk of cervical spine injuries, it is provided that the support body is connected to the base such that the support surface is elastically adjustable relative to the base.08-18-2011
20110198899MOTOR-VEHICLE HEADREST - A motor-vehicle headrest has a relatively stationary and relatively rigid support structure positioned horizontally rearward of a head of a person sitting in front of the headrest. A cushion has a front face with a central portion directly engageable with the head of the person and with a peripheral portion surrounding the central portion and not normally directly engageable with the head of the person. The cushion further has a rear face bearing rearward of the peripheral portion directly on the support and forming rearward of the central portion a substantially empty cavity at which the rear face is spaced forward from the support. The cushion is elastically deformable such that on forceful rearward engagement of the head of the person with the central portion of the front face the front face deforms into a forwardly concave shape cupping the head of the person.08-18-2011
20090008972Adjustable Headrest for a Vehicle Seat - An adjustable headrest assembly for a vehicle seat is disclosed. The assembly has a portion fixed to a seat frame and an adjustable portion that moves relative to the fixed portion on a circular arcuate path under spring forces. Relative movement is triggered by a vehicle rear crash event.01-08-2009
20090267389CABLE CONNECTING DEVICES - One aspect according to the invention can include a cable connecting device including a first cable and a second cable coupled to a first mechanism and a second mechanism of a vehicle seat, respectively, and each having an inner cable member and an outer cable member. A cable receiving member can receive end portions of the first cable and the second cable. A coupling mechanism can coupling the inner cable member of the first cable and the outer cable member of the second cable to each other within the cable receiving member. A recognition enabling device enables recognition of a coupling condition between the inner cable member of the first cable and the outer cable member of the second cable during an operation for coupling by the coupling mechanism.10-29-2009
20090261634DAMPER AND VEHICLE SEAT EQUIPPED WITH THE DAMPTER10-22-2009
20110204686ACTIVE HEADREST - An active headrest has a simple structure so that injuries of the neck and a portion near the neck of a passenger can be effectively prevented in the event of a rear-end collision and forward and rearward inclinations of the active headrest can be adjusted in an ordinary driving state to improve user's convenience and shake of the active headrest with respect to a vehicle seat in an ordinary state can be prevented to suppress noise and vibration and the quality of the vehicle seat and the car can be improved.08-25-2011
20100127541HEADREST FOR A VEHICLE SEAT - The invention relates inter alia to a vehicle-seat headrest having a base part (05-27-2010
20080309131SEAT BACK STRUCTURE OF VEHICLE SEAT - In a seat back structure, an auxiliary frame having a headrest mounted thereon is provided independently of a seat back frame and movable via link element and guide element along a predetermined path with respect to the seat back frame. The guide element includes: a bracket having one end pivoted to the seat back frame; a guide hole formed in the bracket; and a guide pin provided to the seat back frame, the guide pin being slidably engaged in the guide hole. A buffer member is provided to another end of the bracket. Shortly after the headrest has been moved to a headrest receiving point in a rear-end collision case, the headrest is subjected to abrupt backward displacement under backward inertia of seat occupant, but, such abrupt backward displacement of headrest is decelerated by the buffer member.12-18-2008
20080272631Active Head Restraint for a Vehicle - A head restraint for a vehicle seat is provided. The head restraint includes a head restraint subsection and a driving device. The head restraint subsection is movable from a use position to a safety position, while the driving device is configured to move the head restraint subsection from the use position to the safety position. The driving device includes at least two components which are movable with respect to each other under the action of a first force. At least one component has an oblique surface which acts on the other component and is inclined in relation to a direction of the first force. Movement of the at least one component under the action of the first force transmits a second force on the other component in a direction different than the first force.11-06-2008
20080252113ACTIVE MATERIAL HEAD RESTRAINT ASSEMBLY - A head restraint assembly includes a support member and a deployable member selectively movable between a retracted position and a deployed position. At least a portion of the deployable member is farther from the support member in the deployed than in the retracted position. A latch system is configured to releasably retain the deployable member in its retracted position. An active material member is actuatable to release the latch system, to release the deployable member.10-16-2008
20100264704VEHICLE SEAT - There is provided a vehicle seat that includes a seat back frame having a pair of side frames disposed in a spaced manner in the right and left direction, a plate-like support body disposed between the pair of side frames to receive a load placed by the rearward movement of a passenger, a transmission section disposed on one side frame side to connect the plate-like support body to the headrest and transmit the load received by the plate-like support body to the headrest side, and an engagement section disposed on the other side frame side, engaging the plate-like support body with the other side frame, and not connected to the headrest. The load received by the plate-like support body is transmitted to the headrest side via the transmission section, thereby moving the headrest.10-21-2010
20100140987ACTIVE MATERIAL ACTUATED HEADREST UTILIZING BAR LINKAGE DEPLOYMENT SYSTEM - An active headrest for selectively supporting the head of an occupant, includes a shell, and an actuator disposed within the shell, including a bar linkage system drivenly coupled to the shell, so as to adjust the distance or engagement between the shell and head when displaced, and an active material element drivenly coupled to the system, so as to cause or enable the displacement of the system, and preferably further including a ratchet sector/pawl and latch cooperating to present plural achievable deployment positions.06-10-2010
20090140560HEADREST DEVICE FOR ACTIVE HEADREST - The active headrest of the invention includes individual parts provided in a seat back. The individual parts include a lower unit which operates by an impact given to a frame, a wire which elevates/lowers inside the seat back linked to the lower unit, a solenoid to which the wire is locked and/or an upper unit having the solenoid, and a headrest device linked to a lifter or a connecting portion of the upper unit. At the time of collision, the wire is tensioned downward, the lifter or connecting portion of the upper unit ascends or tilt forward, and the ascent and forward tilting of the headrest are performed instantaneously. As a result, this headrest can secure the ascent stroke and forward tilting which can follow the movement of a head, etc. at the time of collision, and can protect a head, etc.06-04-2009
20090322126VEHICLE SEAT - A headrest moving mechanism includes linking members that links a support portion and a headrest base portion to each other; and elongated holes formed in the headrest base portion. The elongated holes slidably receive a connection shaft provided to the support portion, thereby determining a postural position of the support portion. The elongated holes are shaped so as to move the support portion forwardly and upwardly with respect to the headrest base portion from an initial position in a time before the vehicle back-side collision happens to a collision preparatory position as the linking members are rotated.12-31-2009
20090167066SEAT APPARATUS FOR VEHICLE - A seat apparatus for a vehicle includes a headrest body, a stay, a pressure receiver, a moving force transmitting mechanism, and a headrest moving unit moving the headrest body, wherein the moving force transmitting mechanism includes an input link member, an output link member operating the headrest moving unit, an operation member linked with the input link member and the output link member to be movable between initial and operating positions, the operating member preventing the output link member from following the rotation of the input link member in the initial position and allowing the output link member to follow the rotation of the input link member in a case that the operation member is moved to the operating position when the impact load is exerted at the initial position.07-02-2009
20110140487VEHICLE SEAT WITH CUSHION PLATE - A vehicle seat comprises a rectangular-shaped seat back frame having right and left side frames; a flexible plate member provided between the right and left side frames; a seat back cushion provided in front of the flexible plate member; a mechanism for pushing the seat back cushion to a front direction by forwardly protruding the flexible plate member that results from the flexible plate member being bent; a headrest for supporting a head of a seat occupant, wherein the headrest is forwardly movably connected to the right and left side frames via right and left link members; and a rear-end collision detecting plate disposed at a portion of the seat back frame behind the seat occupant, wherein the rear-end collision detecting plate detects rearward movement of the seat occupant.06-16-2011
20110140486COUPLING/UNCOUPLING DEVICE FOR A TRANSMISSION MEANS IN PARTICULAR ON A VEHICLE SEAT WITH A CRASH-ACTIVE HEADREST AND VEHICLE SEAT - A coupling/uncoupling device is disclosed for joining and disjoining first and second segments of a transmission and/or connection means. An end fitting of the device is arranged on the first segment. The end fitting creates a snap connection with a receiver part arranged on the second segment. The device may be adapted for use in vehicles, such as for a vehicle seat, a tailgate, an engine cover, a storage compartment, a battery pole connection, or for securing transported or loaded items.06-16-2011
20090200843HEADREST FOR VEHICLE SEAT - A headrest for vehicle seat includes: a generally inverted-U-shaped frame having a pair of headrest stays defined therein; and an impact absorption bar fixedly connected between those two headrest stays. The impact absorption bar is located in a predetermined spaced relation with an upper horizontal frame portion of the generally inverted-U-shaped frame. When a rear-end collision or the like occurs, a head of seat occupant is stably received by those impact absorption bar and upper horizontal frame portion, while the impact absorption bar being readily deformed by backward excessive great load applied thereto from the seat occupant's head to thereby absorb and reduce a corresponding impact energy to be imparted to the head.08-13-2009
20080315636INTEGRATED VEHICLE SEAT WITH ACTIVE HEAD RESTRAINT SYSTEM - A seat back for a vehicle seat is provided. The seat back has a frame, a head restraint, and an active head restraint system. The frame provides structure for the seat back and is adapted to be mounted within a vehicle. The frame has a back support portion to support a back of an occupant, and a head restraint portion to support a head of an occupant. In one embodiment, the head restraint is supported by the head restraint portion of the frame and is moveable relative to the frame to an extended position to provide support to the head of the occupant during an impact condition. The active head restraint system is operatively connected to the head restraint for moving the head restraint to the extended position when the active head restraint system is activated.12-25-2008
20090243355CRASH-ACTIVE SYSTEM OF A VEHICLE - In the case of a crash-active system of a vehicle, in particular of a vehicle seat, with a support (10-01-2009
20090243354ACTIVE HEAD RESTRAINT FOR A VEHICLE SEAT - An active head restraint system is disclosed with an actuator, a sensor, and a controller. The controller receives an impact signal from a triggering element, receives the position of an occupant's head, actuates the head restraint to move towards the occupant's head, and controls actuation to optimize head restraint movement as the head restraint moves proximate to the occupant's head. In another embodiment, the controller also manipulates head restraint velocity to optimize the velocity toward the occupant's head. Also presented is a method for actuating an active head restraint system for a vehicle seat. The method includes sending an impact signal to a controller, receiving the position of an occupant's head, transmitting the received position of the occupant's head to a controller, actuating the head restraint to move towards the occupant's head, and controlling head restraint actuation to optimize head restraint movement as it moves proximate to the occupant's head.10-01-2009
20090250981HEADREST OPERATING DEVICES - One aspect according to the invention can include a headrest operating device including a backside collision detecting device (10-08-2009
20100148543Head Support and Seat Pad Assembly for a Child Seat - A seat pad assembly is disclosed including a body pad for placement on the seating surface of a child seating device. The body pad has a front side, a back side, and two spaced apart vertical slots through the pad. The seat pad assembly has a head support with a connecting strip extending between a pair of laterally spaced apart cushions. The head support is generally H-shaped and installed on the pad through the slots with the pair of cushions on one side of the pad and the connecting strip on the other side. The head support is slidable along the slots to adjust the vertical position of the cushions. The seat pad assembly can be used on a child seating device such as a children's car seat, an infant carrier, a stroller, an infant swing, or the like.06-17-2010
20100171349VEHICLE SEAT FOR REDUCING THE RISK OF SPINAL AND HEAD INJURIES OF PERSONNEL IN COMBAT VEHICLES - A vehicle seat for use in military vehicles which provides increased protection to a helmeted or unhelmeted combatant soldier or other person. The vehicle seat includes a seat portion having a layer of high impact energy absorbing material. A back support portion is adjoined to the rear of the seat portion and extends upwardly for supporting the rearward side of the seated soldier. The back portion has a lower section for contacting and supporting the thorax and lower back of the soldier, and two overlying upper sections which are positionable for supporting and restraining rearward movement of the helmeted or unhelmeted head and the neck of the soldier. The overlying sections each has a surface which is moveable toward and away from the seated soldier and together define a supporting means and contour which interacts with the helmeted or unhelmeted seated soldier during rear end impact to maintain the pre-collision shape of the soldier's supported spinal curves, to thereby aid in the avoidance of whiplash and similar injuries. Swivelable side portions actuated by sensors flank the side of the seated person and provide further protection.07-08-2010
20100156154CONNECTIONS FOR ACTIVE HEAD RESTRAINT SYSTEMS FOR VEHICLE SEATS - A vehicle seat with an active head restraint system is provided with a seatback frame having a pair of side members. An armature extends transversely between the side members with a pair of lateral ends each pivotally connected to one of the side members. A head restraint rod extends from the armature for supporting a head restraint. An actuator is mounted to the seatback frame for actuating the armature. A bushing is mounted to the frame, the armature or the actuator. A rivet is mounted to the bushing and another of the frame, armature and actuator. The rivet preloads the bushing to minimize inadvertent movement at the connection. A method for assembling a vehicle seat is provided wherein the bushing is preassembled to the rivet. Another method for assembling a vehicle seat is provided wherein the rivet preloads the bushing to minimize inadvertent movement at the connection.06-24-2010
20100187874INTERNAL STRUCTURE OF SEATBACK CONNECTED TO ACTIVE HEADREST - A seatback includes an active headrest that moves forward to catch the back of the head of an occupant, when a load is applied by the occupant to a seatback in a rear-end collision. A first panel and a second panel are provided between a plurality of frame members that constitute the frame of the seatback. The first panel is flexible, and the second panel is more rigid than the first panel. A pressure-receiving member is attached to the second panel, receives the load applied by the occupant to the seatback through the second panel, and transmits the load applied to the seatback to a lock mechanism in the active headrest.07-29-2010
20120032480REACTIVE HEAD RESTRAINT HAVING ATTACHMENT POINTS FORWARD OF SEAT BACK FRAME - A reactive head restraint system for an occupant of an automotive vehicle seat includes a seat back frame and a reactive head restraint mechanism attached to the seat back frame. A head restraint is attached to the reactive head restraint mechanism. The seat back frame includes a left side member, a right side member, and an upper cross member. The cross member connects the left and right side members of the frame. The reactive head restraint mechanism includes a hinge for attachment to the upper cross member, a pair of spaced apart steel tubes attached to the front leaf of a hinge, a pair of plastic guide sleeves, and a push plate. The guide sleeves are inserted into the upper ends of the steel tubes. The posts of the head restraint are inserted into the guide sleeves. The rear leaf of the hinge is attached to either the underside of the cross member or is attached to the front of the cross member. The push plate is attached to the lower ends of the spaced apart steel tubes. Because of the hinged attachment of the steel tubes to the cross member, the push plate moves toward the rear of the vehicle and the head restraint simultaneously moves toward a front of the vehicle in response to occupant movement toward the rear of the seat back during vehicle impact.02-09-2012
20090045658VEHICLE SEAT HAVING ACTIVE HEAD RESTRAINT SYSTEM - A vehicle seat assembly having a seatback frame, an upper armature that is movable relative to the seatback frame and a head restraint mounted on the upper armature. A linkage assembly operatively interconnects the upper armature and an impact body such that movement of the impact body relative to the seatback frame acts on the linkage assembly to move the upper armature relative to the seatback frame to cause the head restraint to move toward the occupant. The linkage assembly includes a linkage and a coupler movably connected to the linkage. The coupler includes a first member movably connected to the seatback frame and a second member movably connected to the first member at a location below the upper end of the impact body.02-19-2009
20100181810VEHICLE SEAT - A vehicle seat has a mechanism for moving a headrest upon a rear-end collision, wherein the vehicle seat comprises a plate-like support body for receiving a load of a rearward movement of an occupant; a link mechanism for transmitting the load received by the plate-like support body to the headrest side, and comprising a lower link, an upper link, and a connecting link; and a load retaining member for blocking the load received by the plate-like support body from being transmitted to the link mechanism, until the load reaches a predetermined level; wherein the load retaining member is held by one of the lower link and the connecting link, and is configured to urge the lower link and the connecting link in a separating direction.07-22-2010
20100001562VEHICLE SEAT - A vehicle seat is provided with an active headrest, in which the thickness of the vehicle seat can be further decreased. A vehicle seat includes a transmission assembly for transmitting a load received by a pressure receiving part to the headrest side, and has a mechanism for moving the headrest when a rear end collision occurs. The transmission means is configured so as to have a lower link that is movably installed in the lower part of the seat back frame of the vehicle seat and is connected to the pressure receiving part; an upper link that is disposed in the upper part of the seat back frame and is movably connected with the headrest; and a connecting link that connects the lower link and the upper link to each other and is operated in association with the operation of the lower link. The connecting link has a bent part bent along the lengthwise direction in the direction such as to separate from the backrest surface of the seat back.01-07-2010
20100001561VEHICLE SEAT - There is provided a head rest moving mechanism of moving a support portion of a head rest relative to a seat back when a vehicle is subjected to a back collision. The head rest moving mechanism moves the support portion from an initial position to a collision corresponding position in a front upper direction. The support portion draws a locus of moving to an upper side while an upper portion thereof is inclining to rise to a front side, successively, moving to the upper side by rising to return to an attitude thereof when the support portion is disposed at an initial position while maintaining a collision point of the support portion and the head. The head rest moving mechanism includes a base installed at an upper portion of the seat back, link means for linking the support portion and the base, an engaging pin moved integrally with the support portion for operating an attitude of the support portion in accordance with a relative movement thereof, and a guide path slidably engaged with the engaging pin for guiding to slide the engaging pin in accordance with the relative movement of the support portion. The guide path is a long hole formed at a side face portion of the base. The link means is pivotable centering on a position thereof axially supported by the base. When the vehicle is subjected to back collision, the link means is pivoted from a lower side in the front upper direction by drawing a locus in a shape of a circular arc bent to the lower side. On the other hand, the guide path is formed in a shape of a circular arc bent to the upper side extended from the initial position in the front upper direction.01-07-2010
20100148544ACTUATING MEANS FOR A CRASH-ACTIVE HEAD RESTRAINT - An actuating system for a head restraint of a vehicle seat is provided. The head restraint includes a part that can be shifted from a comfort position to a safety position, such as in the event of an accident. Limbs are expandable from an initial position as a consequence of pressure loading to bring about a lengthening which can be transmitted to force transmission means. The limbs are connected to one another and/or to fastening means by joints, each having a first and a second joint pin which can be inserted axially into holes to form the joints.06-17-2010
20100148545VEHICLE SEAT WITH CUSHION PLATE - A vehicle seat comprises a seat back frame having a pair of side frames, a seat spring mounted between the side frames, a single plate-shaped flexible cushion plate mounted to the seat spring, a seat back cushion provided in front of the cushion plate, a single plate-shaped flexible auxiliary plate mounted on the cushion plate. The auxiliary plate is located between the cushion plate and the seat back cushion. The auxiliary plate pushes the seat back cushion to the front by being forwardly bent in response to an operation member. A collision detector is located on the rear side of the cushion plate having a predetermined distance there between.06-17-2010
20100225149Head support apparatus for child car seats - A head support apparatus for use with child car seats to prevent a child's head from loosely swinging forward and side to side as a result of the movement of a vehicle, particularly when the child is asleep. In a preferred configuration, the apparatus comprises a head device that is received on or around the head of the child, a harness assembly that attaches the apparatus to the car seat and an attachment mechanism that removably attaches the head device to the harness assembly. Preferably, the head device is a cap, beanie, headband or other hat-like object. The preferred harness assembly has a pair of longitudinal straps that are received through slots in the back wall of the car seat body and a lateral strap that is movably engaged with the longitudinal straps and configured to attach to the head device. The attachment mechanism can be a hook-and-loop connector.09-09-2010
20100140989CLUTCH MECHANISM FOR VEHICLE SEAT - A coupling arm presses a first or second arm of a swing member, connected to a frame of a seat back, by an occupant's backrest load caused by a rear-end collision of a vehicle to pivotally move the swing member. The first arm receives a first backrest load via the coupling arm and the second arm receives a second backrest load, which is larger than the first backrest load, via the coupling arm. The first and second arms are set so that a maximum pivot amount of the swing member when the first arm is pressed to pivot is equal to a maximum pivot amount of the swing member when the second arm is pressed to pivot.06-10-2010
20100127540Active Headrest Apparatus for Vehicle and Actuator Thereof - An actuator of an active headrest apparatus for a vehicle, which is operably connected to a headrest assembly and selectively allows a headrest of the headrest assembly to pop out forwards when a vehicle collision occurs, may include a housing installed on a seatback frame and formed with a guide groove, an operating plate elastically supported over the housing, an operating bracket arranged between the housing and the operating plate and having a guide projection slidably inserted into the guide groove of the housing, and an operating wire unit connecting the operating bracket with the headrest assembly, wherein the operating wire unit includes an operating wire and an operating wire retainer to slidably receive the operating wire therein.05-27-2010
20090315370BACKREST HAVING A HEADREST, VEHICLE SEAT EQUIPPED WITH THE LATTER, AND ASSEMBLY METHOD - A backrest (12-24-2009
20100295349METHOD FOR AUTOMATICALLY ADJUSTING A HEADREST OF A MOTOR VEHICLE SEAT, AND DEVICE FOR CARRYING OUT SAID METHOD - A method for automatically adjusting a headrest of a motor vehicle seat, which can individually be adjusted to a passenger occupying the motor vehicle seat with a sensor array and an electronically controlled adjusting device such that the headrest is in an adjusted position which is defined as optimal as possible for absorbing acceleration forces acting on the head of the passenger in a case of crash is provided. The adjusting device can be controlled via a control unit which evaluates at least one signal of at least one sensor, in order to control the adjustment of the headrest with the adjusting mean. At least one signal from the at least one sensor serves to detect an occupation of the motor vehicle seat by a passenger.11-25-2010
20110121622DAMPER AND VEHICLE SEAT EQUIPPED WITH THE DAMPER05-26-2011
20090008973ACTIVE MATERIAL ACTUATED HEADREST ASSEMBLIES - Active material actuated headrest assemblies and their methods of operation are described herein. The headrests include an active material incorporated in a frame member, a bag, gear device, or the like, wherein the active material actuates upon receipt of an activation signal.01-08-2009
20110241392VEHICLE SEAT - A vehicle seat comprises a backrest, an active headrest, a release device, and an energy store. During normal operating situations of the vehicle seat the energy store is blocked. During an accident, particularly a rear-end accident, the energy store is released for actuation of the active headrest. The energy store is arranged in the active headrest or in the backrest. The backrest includes an actuating device, and a transmission device is arranged between the actuating device and the active headrest.10-06-2011
20100164261SAFETY DEVICE FOR A SEAT - In order to design a safety device (07-01-2010
20100164262DAMPER AND VEHICLE SEAT HAVING THE DAMPER07-01-2010
20110241393CRASH-ACTIVE HEADREST HAVING A LOCKING PUSHBUTTON - The present invention relates to a crash-active headrest of a motor vehicle seat having a head part at least partially displaceable in the direction of the head of a seat occupant for comfort and/or safety purposes, and that can be locked in said position by means of a form-fit and/or frictional connection means, said headrest comprising means for transitioning the form-fit and/or frictional connection means from a locked into an unlocked position, characterized thereby.10-06-2011
20100187875CLUTCH MECHANISM - A clutch mechanism in which a pressure receiving member is attached to two side frames of a seat back of a vehicle seat so as to be rotatable about rotation axes extending in a widthwise direction and in which when the pressure receiving member is rotated by a pressing load of an passenger sitting on the vehicle seat, the pressing load is selectively transmitted to an operation bracket pivotally connected to the rotation axes such that the operation bracket is rotated in the same direction as the pressure receiving member. When the pressure receiving member receives a quick pressing load, the operation bracket rotates while being mechanically integrated with the pressure receiving member, so that the pressing load can be transmitted to the operation bracket. When the pressure receiving member receives a slow pressing load, the operation bracket does not rotate, and only the pressure receiving member rotates, so that the transmission of the pressing load can be blocked.07-29-2010
20090315372VEHICLE SEAT INCLUDING AN ENERGY ABSORPTION DEVICE - A vehicle seat assembly having a seat body and a headrest subassembly connected to the seat body. The headrest subassembly has a front surface, a backstop member and a first cushion adjacent the backstop member. The first cushion is positioned between the front surface and the backstop member. The first cushion is configured to collapse against the backstop member in response to a force applied by a human head to the headrest subassembly during a vehicle collision. The first cushion remains collapsed while the head is disposed adjacent the headrest subassembly subsequent to the collision.12-24-2009
20100060048CLUTCH MECHANISM FOR VEHICLE SEAT - A clutch mechanism for a vehicle seat is provided. The clutch mechanism includes a pressure-receiving member rotatably assembled to a frame of a seatback, a connecting arm having a weight and provided rotatably to the pressure-receiving member, a first swinging member provided rotatably to the frame, wherein while inertia force occurring due to a crash of a vehicle from behind acts on the weight, when the pressure-receiving member rotates upon receipt of a seatback load of a passenger, the connecting arm causes the first swinging member to rotate; and a second swinging member provided rotatably to the frame of the seatback, and configured to rotate along with the rotation of the first swinging member. The second swinging member is held in a state achieved when the first swinging member rotates by a predetermined angle even when the first swinging member rotates by an angle larger than the predetermined angle.03-11-2010
20100060049CLUTCH MECHANISM FOR VEHICLE SEAT - A clutch mechanism for a vehicle seat is provided. The clutch mechanism includes a pressure-receiving member rotatably assembled to a frame of a seatback of the vehicle seat, a connecting arm having a weight and a pin, and provided rotatably to the pressure-receiving member, and a swinging member provided rotatably to the frame, and including a rib which is formed with a cutout capable of receiving the pin. While inertia force occurring due to a crash of a vehicle from behind acts on the weight, when the pressure-receiving member rotates upon receipt of a seatback load of a passenger of the vehicle seat, the connecting arm moves along with the rotation of the pressure-receiving member so that the pin of the connecting arm pushes either one of an edge of the rib and a cutout of the rib while entering the cutout, to rotate the swinging member.03-11-2010
20100060047VEHICLE SEAT - A vehicle seat comprises a headrest mounted on the seatback frame so as to be movable in a front-and-back direction, a cushion plate mounted on the seatback frame, and a collision detector provided at back side of cushion plate. The headrest is connected to the collision detector by way of a active headrest mechanism. When the collision detector is moved backward, the headrest is moved forward. A space part is formed between an upper edge of the cushion plate and an upper frame of the seatback frame. The space part is enlarged by forming the upper frame by a pipe frame.03-11-2010
20100072795Headrest for Protecting Against Whiplash - The invention relates to a headrest (03-25-2010
20110175410Coupling Mechanism for Headrest of Vehicle Seat - A vehicle seat is provided comprising a seat back frame having right and left side frames, a headrest for supporting a head of a seat occupant, and a back-and-forth movable body provided inside a backrest that is positioned at a rear of the seat occupant, wherein a backward movement of the back-and-forth movable body forwardly moves the headrest to support the head of the seat occupant. The back-and-forth movable body is attached to each side frame through a link member and is provided with a backward protrusion protruding backward, and the backward protrusion extends laterally.07-21-2011
20110175409Coupling Mechanism for Headrest of Vehicle Seat - A vehicle seat is provided comprising a seat back frame having right and left side frames, a headrest for supporting a head of a seat occupant, and a back-and-forth movable body provided inside a backrest that is positioned at a rear of the seat occupant, wherein a backward movement of the back-and-forth movable body forwardly moves the headrest to support the head of the seat occupant. The back-and-forth movable body is attached to each side frame through a link member and is provided with a backward protrusion protruding backward, and the backward protrusion extends laterally.07-21-2011
20100066135ACTIVE HEAD RESTRAINT SYSTEM WITH LUMBAR SUPPORT FOR VEHICLE SEATS - A vehicle seat is disclosed with a seat back frame with a pair of spaced apart linkages connected to side members of the frame. A horizontally actuatable lumbar mechanism is connected to the pair of linkages for providing lumbar support to the occupant and for receiving an input force for actuating the linkages. A head restraint extends from the seat back frame and is operably connected to the frame and the pair of linkages such that actuation of the linkages actuates the head restraint from a design position to an actuated position. A flexible band lumbar support mechanism is provided. Also, a lumbar mechanism is provided with a pair of upright wires and a series of transverse suspension wires for supplying the back of the occupant and for distributing the input force during an impact.03-18-2010
20100066136HORIZONTAL LUMBAR SUSPENSION FOR VEHICLE SEATS - An adjustable lumbar assembly for a vehicle seat is provided with a wireframe for attachment to a frame of the seat. The wireframe has a pair of spaced apart side members. A flexible lumbar support band has a pair of outboard portions affixed to the side members, a pair of lateral portions extending inboard from the outboard portions and pivotally connected to the outboard portions offset from the side members. A central portion of the support band is pivotally connected to the lateral portions. A cable assembly is mounted to the outboard portions for extension and retraction of the lateral portions and the central portion for providing adjustment of the lumbar assembly. A method for manufacturing an adjustable lumbar assembly is provided by forming a wireframe with the side members, inserting the wireframe into a mold, and molding a flexible lumbar support band to the wireframe side members.03-18-2010
20100244511HEADREST WITH ENERGY DISSIPATER FOR REAR PASSENGER - A headrest for mounting on one or more vertically extending posts positioned on the backrest of a vehicle seat, the headrest comprising one or more mounting sleeves positioned on the headrest and adapted to surround a portion of a respective one of said posts, pivot means extending between each mounting sleeve and the respective post to mount the mounting sleeve on the respective post in pivotal relation thereto about a pivot axis substantially transverse to the longitudinal axis of the post, each mounting sleeve being shaped and otherwise dimensioned on an internal surface to resist pivotal motion of the headrest between first and second positions below application of a directed threshold force to the headrest.09-30-2010
20100244510DISPLACEABLE HEAD RESTRAINT - A displaceable head restraint for a seat has a padded portion that is displaceable relative to a base part of the head restraint from a nominal position to a safety position using a driving mechanism and returnable to the nominal position using a restoring device. The restoring device includes a handle releasably connected to a receiver plate, and the receiver plate is positioned on a fixed portion of the base part. A cable having one end attached to the handle and an opposed end connected to a rotatable member is disposed between the padded portion and the base part. Application of a force on the handle that is opposed to a direction of displacement of the padded portion between the nominal position and the safety position rotates the rotatable member to return the padded portion to the nominal position.09-30-2010
20100295348VEHICLE SEAT - A headrest is attached to a square frame-shaped seatback frame so that the headrest can be moved back and forth by an upper lever. The upper lever is connected by a connection rod to a lower lever provided at the seatback frame. Left and right connection arms of a rear collision detector are attached to the lower lever. Backward movement of the rear collision detector moves forward the headrest via the connection rod and the upper lever. The connection arms of the rear collision detector are fixed to the lower lever, held at a predetermined angle.11-25-2010
20090284054CONNECTIONS FOR ACTIVE HEAD RESTRAINT SYSTEMS FOR VEHICLE SEATS - A vehicle seat with an active head restraint system is provided with a seatback frame having a pair of side members. An armature extends transversely between the side members with a pair of lateral ends each pivotally connected to one of the side members. A head restraint rod extends from the armature for supporting a head restraint. An actuator is mounted to the seatback frame for actuating the armature. A bushing is mounted to the frame, the armature or the actuator. A rivet is mounted to the bushing and another of the frame, armature and actuator. The rivet preloads the bushing to minimize inadvertent movement at the connection. A method for assembling a vehicle seat is provided wherein the bushing is preassembled to the rivet. Another method for assembling a vehicle seat is provided wherein the rivet preloads the bushing to minimize inadvertent movement at the connection.11-19-2009
20110210588VEHICLE SEAT WITH CUSHION PLATE - A vehicle seat comprises a rectangular-shaped seat back frame having right and left side frames; a flexible plate member provided between the right and left side frames; a seat back cushion provided in front of the flexible plate member; a mechanism for pushing the seat back cushion to a front direction by forwardly protruding the flexible plate member that results from the flexible plate member being bent; a headrest for supporting a head of a seat occupant, wherein the headrest is forwardly movably connected to the right and left side frames via right and left link members; and a rear-end collision detecting plate disposed at a portion of the seat back frame behind the seat occupant, wherein the rear-end collision detecting plate detects rearward movement of the seat occupant.09-01-2011
20080252112ACTIVE MATERIAL HEAD RESTRAINT ASSEMBLY - A head restraint assembly is provided that is movable between a retracted position and a deployed position. The head restraint assembly includes a support member and a deployable member. A link is rotatably mounted with respect to the support member and the deployable member. A shaft is mounted to the link for rotation therewith. The active material is actuatable to rotate the shaft and thereby cause the deployable member to move from its retracted position to its deployed position.10-16-2008
20110210587VEHICLE SEAT WITH CUSHION PLATE - A vehicle seat comprises a rectangular-shaped seat back frame having right and left side frames; a flexible plate member provided between the right and left side frames; a seat back cushion provided in front of the flexible plate member; a mechanism for pushing the seat back cushion to a front direction by forwardly protruding the flexible plate member that results from the flexible plate member being bent; a headrest for supporting a head of a seat occupant, wherein the headrest is forwardly movably connected to the right and left side frames via right and left link members; and a rear-end collision detecting plate disposed at a portion of the seat back frame behind the seat occupant, wherein the rear-end collision detecting plate detects rearward movement of the seat occupant.09-01-2011
20100320817ACTIVE HEAD RESTRAINT SYSTEMS FOR VEHICLE SEATS - Multiple vehicle seats are disclosed with active head restraint systems that receive an input force from an occupant during an impact by a torso support, which consequently actuates a linkage that translates a head restraint upward and forward to the head of the occupant. In one embodiment, the torso support has a translatable connection with the seatback frame and another translatable connection with the linkage. In another embodiment, a torso support is pivotally connected to a pair of links which are each pivotally connected to the frame. In yet another embodiment, the seatback frame includes a structural wire, which provides pivotal connections for two of the links of the linkage.12-23-2010
20100320816VEHICLE SEAT WITH LUMBAR SUPPORT - A vehicle seat including a seat back and a head restraint coupled to the seat back. The seat includes a lumbar support movably coupled to the seat back so that when a force is applied to the seat back by an occupant of the seat moving rearwardly relative to the seat back the lumbar support moves rearwardly and absorbs energy associated with an occupant's rearward movement.12-23-2010
20110084524VEHICLE HEAD RESTRAINT - A head restraint for a vehicle seat includes a first subsection facing the occupant's head, and is displaceable due to application of a predetermined force. A third subsection includes a central hub portion that supports the second subsection. The second subsection is arranged between the first subsection and a third subsection, and is mounted to the central hub portion of the third section and the first second and third subsections are rotatably displaceable about an axis of rotation that is parallel to the direction of displacement (C). A blocking device includes a toothed portion complimentarily engaged with a spacer device on the third subsection and having a resilient member preventing engagement of the toothed portion by the spacer device when the first subsection is not subjected to the application of the predetermined force, and also controls movement of the first subsection counter to a direction of displacement.04-14-2011
20100117409DAMPER AND VEHICLE SEAT - A damper is provided which damps an applied external force in accordance with the strength of the external force (impact strength). The damper 05-13-2010
20110074191VEHICLE SEAT WITH CUSHION PLATE - A vehicle seat comprises a rectangular-shaped seat back frame having right and left side frames; a flexible plate member provided between the right and left side frames; a seat back cushion provided in front of the flexible plate member; a mechanism for pushing the seat back cushion to a front direction by forwardly protruding the flexible plate member that results from the flexible plate member being bent; a headrest for supporting a head of a seat occupant, wherein the headrest is forwardly movably connected to the right and left side frames via right and left link members; and a rear-end collision detecting plate disposed at a portion of the seat back frame behind the seat occupant, wherein the rear-end collision detecting plate detects rearward movement of the seat occupant.03-31-2011
20100117410VEHICLE SEAT - A vehicle seat includes a first sensor that is disposed inside a seat back and is capable of detecting a back-side collision of a vehicle when pressed by a body of a sitting passenger, and a second sensor that is capable of detecting the back-side collision of the vehicle based on a longitudinal acceleration of the vehicle. A head rest is constructed to be moved forwardly based on detection signals when both of the sensors detect the back-side collision of the vehicle.05-13-2010
20080217971Active Head Restraint - A seat assembly for supporting a seat occupant in an automotive vehicle includes a seat cushion and a seat back. The seat back includes a seat back frame having an upper cross member. A head restraint assembly is pivotally and slidably coupled to the seat back frame. The head restraint assembly includes a head restraint that is movable between an operational position and a deployed position, which is forward and upward relative to the seat back. An activation assembly is pivotally coupled to the upper cross member and is operatively coupled to the head restraint assembly such that the head restraint assembly moves from the operational position to the deployed position in response to rearward loading of the activation assembly by the seat occupant.09-11-2008
20110187167VEHICLE SEAT - The vehicle seat includes a collision sensor provided to a seat back frame and being movable relatively backward by a rear-end collision, a headrest attached to the seat back frame and being movable between a normal support position and a head protection position anterior to the normal support position. The headrest is movable from the normal support position to the head protection position when the collision sensor is moved backward. The vehicle seat has a lock mechanism attached to the seat back frame. The lock mechanism is moved to a lock position by inertia when receiving an external force by a rear-end collision to regulate a return of the headrest from the head protection position to the normal support position.08-04-2011
20100026061ACTIVE HEAD RESTRAINT FOR A VEHICLE SEAT - A head restraint (02-04-2010
20100026060VEHICLE SEAT AND METHOD OF ASSEMBLING VEHICLE SEAT - A backrest frame 02-04-2010
20090108645ANTI-WHIPLASH VEHICLE SYSTEM WITH ACTIVE HEAD RESTRAINT - An active head restraint system includes a fluid driver assembly coupled to a vehicle seat assembly. The fluid driver assembly is actuatable in response to a predetermined movement of the vehicle seat assembly. A fluid driven assembly is in fluid communication with the fluid driver assembly. The fluid driven assembly is actuated in response to actuation of the fluid driver assembly. A headrest is pivotable about an axis. The headrest is coupled to the fluid driven assembly such that the fluid driven assembly pivots the headrest about the axis during actuation of the fluid driver assembly. A seat assembly incorporating the active head restraint system is also disclosed.04-30-2009
20120306244DAMPER AND VEHICLE SEAT HAVING THE DAMPER - A damper includes a vessel; a partitioning member which partitions the interior of the vessel into two chambers for accommodating a viscous fluid, and which rotates together with the vessel in a direction and is movable in an axial direction; a moving force imparting structure for imparting to the partitioning member a moving force in a direction by the input of rotation in a direction; a resilient structure for resiliently urging the partitioning member in a direction; a through hole for allowing the chambers inside the vessel to communicate with each other; and an allowing/limiting member which allows the viscous fluid to flow reciprocally between the chambers through the through hole, and which limits the flow of the viscous fluid in one chamber into the other chamber in the direction through the through hole.12-06-2012
20110109131HEAD REST FOR A VEHICLE - The invention relates to a head rest for a vehicle seat in which, in the event of an accident, at least one first section of the head rest that is oriented towards the head of the seat occupant can be displaced, due to the effect of a relative displacement of a second section of the head rest that is arranged essentially between the first section and the third section, from a working position into a safety position and a comfort position of the head of the seat occupant in the direction of displacement. A blocking device for blocking or minimising displacement of a first section of the head rest counter to the direction of displacement is provided. Said blocking device is asymmetrical in relation to a central plane of the head rest, said central plane extending essentially in a vertical or parallel manner in relation to the direction of displacement in the built-in position of the head rest and can be actuated by means an actuation element that is arranged symmetrically in relation to the central plane.05-12-2011
20110109132SEAT DEVICE FOR VEHICLE - A seat device for a vehicle comprises a seat for a passenger including seatbacks to support a passenger's back portion, reinforcing structure bodies provided inside the seatbacks along an outer periphery of the seatbacks, headrests provided at upper portions of the reinforcing structure bodies to support a passenger's head portion, connection support portions provided beside the reinforcing structure bodies to connect the reinforcing structure bodies to a vehicle-body member, and move-allowance portions to allow lower portions of the reinforcing structure bodies to move rearwardly in a vehicle rear collision so that the headrests move forwardly or upwardly. Accordingly, a passenger's head portion can be protected effectively with a simple structure.05-12-2011
20120001461STOWABLE ACTIVE MATERIAL ACTUATED REAR SEAT HEADREST - An active headrest adapted for use with a rear seat, including a translatable, conformable, or otherwise reconfigurable shell, an active material actuator disposed within and drivenly coupled to the shell, and preferably including a linkage system fixedly coupled to the seat and/or shell, wherein the actuator is operable to cause the headrest to achieve one of a plurality of achievable positions.01-05-2012
20110049947ANTI-WHIPLASH BACKDRIVE SYSTEM - The present invention relates to an anti-whiplash system for the use in vehicle seats. The inventive anti-whiplash system for the use in vehicle seats comprises a head restraint (03-03-2011
20120013155AUTOMATIC MOVING APPARATUS FOR PRE-CRASH HEADREST - An automatic moving apparatus may include a collision prediction sensor, a control unit comparing a value measured by the collision prediction sensor, with a reference value stored in the control unit, and outputting a control signal when it may be determined that the value measured by the collision prediction sensor is higher than the reference value, and a headrest moving unit moving a headrest unit toward a passenger's head before the headrest unit comes into contact with the passenger's head, and including a stay rod connected to the headrest unit, both sides of the stay rod being placed in a vertical direction, tilting device tilting the stay rod forwards or backwards relative to a seatback in response to the control signal of the control unit, and vertical moving device moving the stay rod in a vertical direction in response to the control signal of the control unit.01-19-2012
20120126593COUPLING MECHANISM FOR HEADREST OF VEHICLE SEAT - A vehicle seat is provided comprising a seat back frame having right and left side frames, a headrest for supporting a head of a seat occupant, and a back-and-forth movable body provided inside a backrest that is positioned at a rear of the seat occupant, wherein a backward movement of the back-and-forth movable body forwardly moves the headrest to support the head of the seat occupant. The back-and-forth movable body is attached to each side frame through a link member and is provided with a backward protrusion protruding backward, and the backward protrusion extends laterally.05-24-2012
20120126594COUPLING MECHANISM FOR HEADREST OF VEHICLE SEAT - A vehicle seat is provided comprising a seat back frame having right and left side frames, a headrest for supporting a head of a seat occupant, and a back-and-forth movable body provided inside a backrest that is positioned at a rear of the seat occupant, wherein a backward movement of the back-and-forth movable body forwardly moves the headrest to support the head of the seat occupant. The back-and-forth movable body is attached to each side frame through a link member and is provided with a backward protrusion protruding backward, and the backward protrusion extends laterally.05-24-2012
20120133181VEHICLE SEAT WITH CUSHION PLATE - A vehicle seat comprises a rectangular-shaped seat back frame having right and left side frames; a headrest for supporting a head of a seat occupant that is installed within the vehicle seat; a rear-end collision detector mounted to the seat back frame at a position behind the seat occupant, wherein the rear-end collision detector detects rearward movement of the seat occupant and moves rearward; a link member that supports the rear-end collision detector with the seat back frame therethrough; and a biasing member that biases the link member; wherein: the rear-end collision detector acts such that the rearward movement of the rear-end collision detector reduces a distance between a head of the seat occupant and the headrest, and a lower end portion of the biasing member is coupled to a rear portion of the side frame and disposed posterior to the rear-end collision detector.05-31-2012
20120212017HEADREST AND VEHICLE SEAT PROVIDED WITH THE SAME - A headrest including: a headrest body that supports a head portion of an occupant; a pair of side frame sections that supports the headrest body, the side frame sections extending along a seat height direction and disposed at a separation from each other along a seat width direction; and an inclined wall portion that is provided between the side frame sections, that is inclined towards a seat front-rear direction front side with respect to the side frame sections such that a lower end portion of the inclined wall portion is positioned further to the seat front-rear direction front side than an upper end portion of the inclined wall portion, and that bears load acting on the headrest body from a seat front-rear direction rear side.08-23-2012
20120212016STRUCTURE OF SEAT BACK WITH HEADREST - A seat back of vehicle seat, on which a headrest unmovable in fore-and-aft direction is mounted, is constructed such that a resilient support member for supporting a back portion of seat occupant is provided therein, and the upper region of that resilient support member is operatively connected, via movable connecting element, with a basing element. When a rear-end collision occurs, the resilient support member is displaced far backwardly by excessive great load applied thereto from the seat occupant, overcoming a biasing force of the biasing element, thereby causing the basing element to stretch long, so that the resilient support member with the seat occupant's back portion thereon is displaced backwardly and upwardly under guidance of the movable connecting element so as to quickly bring a head of the seat occupant to a point close to the headrest, prior to the head being directly pressed against the headrest.08-23-2012
20100270835VEHICLE SEAT - There is provided a vehicle seat that includes a seat back frame having a pair of side frames disposed in a spaced manner in the right and left direction, a plate-like support body disposed between the pair of side frames to receive a load placed by the rearward movement of a passenger, a transmission section connecting the plate-like support body to a headrest via a link mechanism, and a holding member disposed in the link mechanism. The holding member is disposed at a position separating from a rotating shaft of a lower link by a predetermined distance to connect the lower link to the side frame, and keeps the distance between the lower link and the side frame at a predetermined value.10-28-2010
20100270834VEHICLE SEAT AND VEHICLE SEAT ASSEMBLING METHOD - The vehicle seat of the invention has an active headrest mechanism for moving the headrest forward in the event of a rear-end collision. The active headrest mechanism is composed of a headrest support part in lateral direction provided with a vertical engaging part for supporting a pillar of the headrest, and an upside link mechanism for moving the headrest support part ahead of the backrest, and the upside link mechanism is mounted on the upper frame of one plate of the backrest frame by way of a bracket.10-28-2010
20120074744ADJUSTABLE LUMBAR ASSEMBLY FOR VEHICLE SEATS - A lumbar assembly has a wireframe for attachment to a frame of a vehicle seat. The wire frame has first and second spaced apart side members. First and second flexible lumbar support bands are each mounted to a wire frame side member, and each have a lateral portion extending inboard with a guide member. The guide members of the first and second lumbar support bands cooperate so that the lumbar support bands are adjusted in a fore and aft direction by translating the lateral portions relative to each other along the guide members.03-29-2012
20120256454VEHICLE SEAT HAVING ACTIVE HEAD RESTRAINT - A vehicle seat assembly having a seatback frame, an upper armature that is movable relative to the seatback frame and a head restraint mounted on the upper armature. A linkage assembly operatively interconnects the upper armature and an impact body such that movement of the impact body relative to the seatback frame acts on the linkage assembly to move the upper armature relative to the seatback frame to cause the head restraint to move toward the occupant. The linkage assembly includes a linkage and a coupler movably connected to the linkage. The coupler includes a first member movably connected to the seatback frame and a second member movably connected to the first member at a location below the upper end of the impact body.10-11-2012
20090322127ACTUATOR FOR CRASH ACTIVATED HEAD RESTRAINT - Vehicle-seat comprising a seat base, a seatback and a head restraint reduces the gap between the head of a seat occupant and the front side of the head restraint in case of a crash, the vehicle seat further comprising an actuator, which is located in the seat back, which comprises a deformable body, which deforms reversible under the force resulting from the rearward movement of body of the seat occupant during and/or after the rear crash, and which comprises a first and a second end, whereas at least one end, preferably both ends, is/are slideably supported in a basis, whereas the head restraint and the actuator are connected by a force transmitter, which transmits a force, resulting from the deformation of the deformable body from the actuator to the head restraint.12-31-2009
20120299343VEHICLE SEAT - A vehicle seat has a mechanism for moving a headrest upon rear-end collision, comprising: a pressure receiving member for receiving a load of a rearward movement of an occupant; a transmitting element for transmitting the load received by the pressure receiving member to a headrest side; right and left headrest supporting members for supporting right and left pillars of the headrest; and a biasing member that biases the headrest; wherein the biasing member is disposed between the right and left pillars.11-29-2012
20110018317VEHICLE SEAT WITH CUSHION PLATE - A vehicle seat comprises a rectangular-shaped seat back frame having right and left side frames; a flexible plate member provided between the right and left side frames; a seat back cushion provided in front of the flexible plate member; a mechanism for pushing the seat back cushion to a front direction by forwardly protruding the flexible plate member that results from the flexible plate member being bent; a headrest for supporting a head of a seat occupant, wherein the headrest is forwardly movably connected to the right and left side frames via right and left link members; and a rear-end collision detecting plate disposed at a portion of the seat back frame behind the seat occupant, wherein the rear-end collision detecting plate detects rearward movement of the seat occupant.01-27-2011
20130015686ACTIVE SEAT BACK - Described are active seat backs for a passenger seat having a seat back with a pivot location, at least one active system coupled to the pivot location, and at least one sensing circuit electrically connected to the at least one active system. The at least one sensing circuit comprises integrated logic to monitor for crash scenarios and to transmit a signal to the at least one active system when such a scenario is detected. The passenger seat back may be rotated aft when the at least one active system receives the signal from the at least one sensing circuit.01-17-2013
20130093224COVERING ASSEMBLY FOR A SEAT AND SEAT ADAPTED FOR PROTECTING A USER - A covering assembly for a seat, including a cover adapted to cover a support frame of the seat and an inflatable member adapted to assume a resting deflated condition and an active inflated condition is described. The inflatable member is located on a side of the cover intended to be faced towards the support frame. The cover is adapted to contain the inflatable member both in the deflated condition and in the inflated condition.04-18-2013
20080197681ACTIVE HEAD RESTRAINT WITH SELF RESETTING MECHANISM - An apparatus includes a seat back having an outer surface that selectively contacts a seat occupant and a head restraint extending from the seat back that has a head restraint portion that selectively contacts the seat occupant. The head restraint portion is moveable between a forward position and a rearward position. The apparatus also includes a head restraint control assembly having an actuator, a lock mechanism, and a lock mechanism resetting device. The actuator transfers an actuation force to the head restraint portion for initiating movement of the head restraint portion from the rearward position to the forward position. The lock mechanism selectively restrains the headrest portion from moving from the forward position to the rearward position. The lock mechanism will restrain the headrest portion from moving from the forward position to the rearward position in a first actuation event and selectively reset by action of the lock mechanism resetting device in order to restrain the headrest portion from moving from the forward position to the rearward position in a second actuation event. The lock mechanism resetting device will reset the lock mechanism without manipulation from an outside source.08-21-2008
20130147242DEVICE FOR PROTECTING AN INDIVIDUAL SITTING ON A SEAT, A SEAT, AND A VEHICLE - A protection device (06-13-2013
20100308629ACTIVE HEADREST APPARATUS FOR VEHICLE SEAT - An active headrest apparatus for a vehicle seat. A contact area in which the upper body of a person who is seated in a car in the event of a rear-end collision of the car is moved backward due to an inertial force and contacts a back plate can be increased, and a distance at which a headrest is moved and rises can be increased so that the function of an active headrest can be more faithfully performed and neck injury of the person who is seated in the car can be prevented to the maximum.12-09-2010
20110272978VEHICLE SEAT - A vehicle seat is provided that includes a seat back frame, a headrest, a pressure receiving member that moves independently from the headrest, and pivoting members that are disposed in at least one of both side portions of the seat back frame, are linked to the pressure receiving member, and move independently from the headrest under a predetermined impact load. The pivoting members are linked via coupling members to a biasing element that biases the pressure receiving member toward the front of the seat back frame. The force that restores the pivoting members into an initial state is greatest during normal seating, and covers a range in which the force decreases when the pivoting members move due to a rear-end collision.11-10-2011
20110272977HEAD REST FOR A VEHICLE - A headrest for a vehicle seat has a first section that is oriented towards the head of a seat occupant, a second section, and a third section. The second section is arranged between the first and third sections. In the event of an accident, the first section may be displaced, due to the relative displacement of the second section, from a working position into a safety position and a comfort position in the direction of the head of the occupant. The relative movement of the sections is a rotation about a rotational axis substantially parallel to the direction of displacement.11-10-2011
20110233974HEADREST DEVICE - A headrest device comprises a headrest body which includes a headrest rear portion supported with respect to a seatback of a seat on which a passenger of a vehicle sits, and a headrest front portion that is movable within a predetermined range from a fully closed position that is closest to the headrest rear portion to a fully open position that is farthest from the headrest rear portion; a detection unit which detects a running state or an operation state of the vehicle; a prediction unit which predicts a possibility of a rear vehicle collision with the vehicle on the basis of the running state or the operation state of the vehicle detected by detection unit; and a control unit which controls, in a case in which the possibility of the rear vehicle collision is predicted by the prediction unit, movement of a position of the headrest front portion so that a backset becomes smaller than a backset at the time of the prediction, the backset being a horizontal distance between the headrest front portion and a head of the vehicle passenger.09-29-2011
20100314918ACTIVE HEAD RESTRAINT UTILIZING SOLENOID ACTIVATION AND BAR LINKAGE TRANSMISSION - An active head restraint for supporting the head of an occupant, includes a shell, and an actuator disposed within the shell, wherein the actuator further includes a spring-biased bar linkage system pivotally coupled to the shell, a radial ratcheting sector coupled to the linkage system, a pawl selectively engaging the sector, and a solenoid drivenly coupled to the pawl, and configured, when activated, to cause the pawl to disengage the sector.12-16-2010
20090021060HEADREST STRUCTURE FOR VEHICLE - Projections capable of crushing a rear windowpane upon crash of a vehicle are arranged on a back of a stay embedded in a pad of a headrest. Thus, when the headrest strongly hits the rear windowpane upon crash of the vehicle, the rear windowpane is crushed by the projections in the form of metal pieces on upper rear portions of vertical stay portions of the stay, so that great impact is prevented from being applied on a head of an occupant.01-22-2009
20110309661VEHICLE SEAT PROTECTION DEVICE - A vehicle seat neck protection device (12-22-2011
20130193726VEHICLE OCCUPANT SUPPORT - Arrangements for safety and comfort in vehicles.08-01-2013
20130200667HEAD RESTRAINT FOR A VEHICLE SEAT - A head restraint for a vehicle seat is provided, wherein at least one first part facing the head of the seat occupant can be moved linearly in the direction of the head of a seat occupant, wherein during the relocating motion, a relative motion between the first part and a second part of the head restraint arranged on a third part occurs, and a contact surface of the first part lies against a contact surface of the second part, and a contact surface is provided with a form-fit element, in particular a toothing arrangement. A method is provided for adjusting a head restraint.08-08-2013

Patent applications in class Force-absorbing means incorporated into headrest area