Class / Patent application number | Description | Number of patent applications / Date published |
297344150 | Pivotal linkage assembly | 29 |
20090174245 | WORK SEAT APPARATUS - A work seat apparatus ( | 07-09-2009 |
20090267397 | STRUCTURE OF CONTROL PORTION OF SEAT HEIGHT ADJUSTER - A structure of operation portion of height adjuster of vehicle seat is provided, in which a brake unit associated with the height adjuster and a support element on which a control lever is mounted are disposed. Further, a transmission mechanism of parallel linkage structure with four articulation points is operatively connected between the bake unit and support element. According thereto, the control lever has operative connection with the brake unit via four articulation points of three link members, such that two of the link members are pivotally connected with the respective brake unit and support element, maintaining parallel relation with each other, while other remaining one of the link members is pivotally connected between those two link members. | 10-29-2009 |
20100001569 | Device for Adjusting Height of Automobile Seat - A height adjusting device for an automobile seat is disclosed. The height adjusting device includes a sector gear ( | 01-07-2010 |
20100072800 | VEHICLE SEAT, PARTICULARLY COMMERCIAL VEHICLE SEAT - A vehicle seat ( | 03-25-2010 |
20100096895 | Seat cushion frame structure of seat for vehicle and seat for vehicle with seat cushion frame structure - An object of the present invention is to provide a seat cushion frame structure of a seat for a vehicle and a seat for a vehicle with such a seat cushion frame structure which are capable of securing a necessary strength or rigidity, while at the same time attaining the decrease of a weight and a cost of a seat. | 04-22-2010 |
20100117428 | SCISSORS-TYPE FRAME FOR A VEHICLE SEAT AND METHOD FOR PRODUCING A SUBSTRUCTURE OF A VEHICLE SEAT - To be able to produce a scissors-type frame of a vehicle seat in a quick and easy manner, the present invention is directed to a scissors-type frame for a vehicle seat, in particular for a motor vehicle seat, comprising a first scissors element and a second scissors element, wherein the scissors-type frame is height-adjustable by means of the two scissors elements, and wherein the scissors-type frame is characterized in that one of the two scissors elements passes through the other of the two scissors elements. | 05-13-2010 |
20110163585 | BASE FRAME OF A MOTOR VEHICLE SEAT HAVING TWO RAIL PAIRS, ROCKERS AND A SEAT SUPPORT - The base frame of the motor vehicle seat comprises two rail pairs, two front rockers, two rear rockers and one seat support. The seat support has two side parts, a front cross member and a rear cross member. Each rail pair is hinged to a side part via a front rocker and a rear rocker. An adjustment device is provided for the height adjustment of the seat support. A rocker is connected to a transverse part. A support part is provided which is connected to the transverse part and comprises a hinge area for an adjustment part of the adjustment device and a contact area on the adjacent cross member. | 07-07-2011 |
20110278893 | CHAIR-SPECIFIC ADJUSTMENT DEVICE - A chair-specific adjustment device is provided. The device includes a first seat support and a base support linked to a gas column on which there is a first rotating user-controlled handle. The first handle controls the selection of the adjustment device's angular position and a safety limit clutch. The rotation of said first handle forces the traction of a first tensional element that moves a limit switch that runs transversely to said support and is shaped as steps that selectively interact with a limit switch linked to the abovementioned base support. The device includes a torsion bar that elastically limits the movement of the base support. The torsion bar cooperates with means that regulate its tension. As such, the device provides quick and easy adjustment of the backrest extension into various positions. | 11-17-2011 |
20110278894 | Vehicle seat with slide element - The invention relates to a vehicle seat with an upper part ( | 11-17-2011 |
20120286553 | VEHICLE SEATING SYSTEM WITH PIVOTING STOP MECHANISM AND METHOD - A vehicle seat system and method in which a seat belt assembly is secured directly to the seat is provided. The vehicle seat system includes a first stop operating at rear portions of a base and a seat frame to couple the base and seat frame and to limit forward pivoting movement of the seat frame upon sudden deceleration. The first stop includes two distinct rod ends each fixedly attached to opposite portions of a seat frame. The system may also include another stop to limit rearward pivoting movement of the seat frame. The coupling of the base and seat frame provides the seat system with strength to satisfy load testing requirements and to provide comfort to the occupant. The vehicle system may include a mechanism that allows tilting of the seat frame and that may also form part of a cushion slide function. | 11-15-2012 |
20130200677 | VEHICLE SEAT - A vehicle seat with a height adjustable seat bottom, includes a side frame ( | 08-08-2013 |
20130341984 | SCISSOR LIFT AND USE OF A SCISSOR LIFT - Disclosed is a scissor lift including a bottom frame a top frame, a scissor mechanism arranged between the bottom frame and the top frame to displace the bottom frame and the top frame in relation to each other by means of the force provided by a linear actuator, a gearing arranged between the scissor mechanism and the linear actuator, where the linear actuator has a linear actuator point of attack at one end of a lever arm of the gearing, wherein the bottom frame is connected to a bottom frame point of attack at another end of the lever arm and wherein the scissor mechanism is connected to the lever arm through a lever arm pivotal joint arranged between the linear actuator point of attack and the bottom frame point of attack. | 12-26-2013 |
20140167470 | VEHICLE SEAT - The invention relates to a vehicle seat, comprising a vertically adjustable seat connection arranged between and mechanically interconnecting an upper seat part and a lower seat part. At least one oscillation limiting device is provided to limit a vertical oscillation movement of the upper seat part in a direction away from the lower seat part, is arranged between the lower seat part and the upper seat part, and is rigidly connected to the upper seat part. The oscillation limiting device comprises at least one reel-off element with a presettable reel-off length that determines a maximum deflection height in the vertical direction. The oscillation limiting device limits movement of the upper seat part in the vertical direction, in the direction away from the lower seat part, after reel-off of the presettable reel-off length, without damping. | 06-19-2014 |
20140183918 | VEHICLE SEAT - A vehicle seat with a height adjustable seat bottom, includes left and right side frames each including a main body portion extending in a front-rear direction and a mount portion for a seat back frame protruding from a rear portion of the main body portion, which side frames constitute left and right frames of the seat bottom, a height adjustment mechanism configured to allow the left and right side frames to be lifted and lowered, and an operation unit including an operation knob configured to be operated by an occupant to cause the height adjustment mechanism to be actuated which operation unit is fixed to one of the left and right side frames. The operation unit is so disposed that at least a part thereof lies over the mount portion. | 07-03-2014 |
20140339874 | ADJUSTMENT DRIVE OF A MOTOR VEHICLE SEAT - An adjustment drive of a motor vehicle seat is provided, the adjustment drive, having a control pinion. The control pinion, in the event of a collision, is subjected to a torque which acts from the structure of the motor vehicle seat. Overload protection is provided for an adjustment drive of a motor vehicle seat against forces which act in the event of a collision, using a simple device. This is achieved by the control pinion being rigidly connected to a torsion bar, and the control pinion is situated in an extension of the rotational axis of the control pinion, and free end of the torsion bar being integrated into a drive of the control pinion in a rotationally fixed manner. | 11-20-2014 |
20140346830 | VEHICLE SEAT - Links are provided, each between one of the side frames of the seat cushion and the support member, and can be swung. A band extends at a substantially center part of the seat cushion and between the side frames, and is provided beneath the seat pad. One end of the band is secured to the top of one side frame, and the other end (free end) hangs over the top of the other side frame. The free end of the band further extends via the direction changing member provided on the side frame, first passing by a first relay point, i.e., the axle of the link provided on the side frame, and then passing by a second relay point, i.e., the axle of the link provided on the support member. At an emergency, the traction device pulls and stretches the band. | 11-27-2014 |
20150097404 | DEVICE WITH FRAME - In a vehicle seat having a seat cushion frame and a rear side link including a metallic sector gear, a first revolving arm of the rear side link is assembled to the one-end-side frame made of CFRP in the seat cushion frame. Furthermore, in order to assemble the first revolving arm to the one-end-side frame, a first shaft pin made of metal is inserted into both a link assembling hole of the one-end-side frame and a pin hole of the sector gear in a state in which the holes and communicate with each other, and the first shaft pin is fixed by welding to the sector gear in a state in which a flange portion is locked to the one-end-side frame. | 04-09-2015 |
20150108810 | SUPPORTING STRUCTURE OF A SEAT FOR WORKING VEHICLE - A seat support structure for a working vehicle comprises a fixed plate, a parallel link mechanism, a supporting plate, a rotation shaft, a rotation plate, a seat, a rear upper shaft, and a rotation lock unit. The fixed plate is fixed on a vehicle body of the vehicle. The parallel link mechanism includes a front link and a rear link. The supporting plate is connected to the fixed plate via the parallel link mechanism. The rotation shaft is fixed on a center portion of the supporting plate. The rotation plate is rotatably supported on the rotation shaft. The seat is attached to the rotation plate. The rear upper shaft connects the rear link to the supporting plate. The rotation lock unit is provided on the rear upper shaft. | 04-23-2015 |
20150336477 | VEHICLE SEAT - A vehicle seat includes a seat frame, a bushing having a shape of a hollow cylinder and a pipe. The pipe is fitted to the bushing and attached to the seat frame. The pipe includes a body portion having a fitting diameter different from a fitting diameter of the bushing and a fitting portion formed at an end in an axial direction of the body portion and fitted to an inner periphery or an outer periphery of the bushing. The fitting portion is formed in a diameter-reduced or diameter-increased hollow cylindrical shape that is fitted to the inner periphery or the outer periphery of the bushing. | 11-26-2015 |
20170232871 | SEAT SUPPORT MECHANISM, SEAT STRUCTURE AND SUSPENSION SEAT | 08-17-2017 |
20190143850 | VEHICLE SEAT COMPRISING A GUIDE DEVICE | 05-16-2019 |
297344160 | Gas or hydraulic cylinder | 6 |
20080197684 | Height adjustment device of a vehicle seat and a vehicle seat fitted with it - A height adjustment device of a vehicle seat comprises a control valve means for governing the degree of filling of a compressed air actuator. Following an alteration in the weight to be carried by the compressed air actuator there is a relative switching over movement between a component bearing a control cam slide and a component bearing an actuating member entailing the switch over of the control valve means. The relative switching over movement is a linear movement, the two components bearing the slide and the actuating member being guided for relative sliding linear motion in the direction of the switch over movement. Furthermore a vehicle seat having such a height adjustment device is provided. | 08-21-2008 |
20100109405 | Dental Chair - A dental chair for supporting a patient during examination and the performance of procedures on the patient includes a patient support having a seat and a back, a base adapted to engage a floor surface, and a lift arm. The lift arm has a first end pivotally coupled to support structure at a first, terminal end of the base for rotation about a pivot axis defined by the support structure. A second end of the lift arm is coupled to the patient support. | 05-06-2010 |
20110304186 | TRANSFER CHAIR - A transfer chair and a method of using the same. The transfer chair includes a base frame, a seat frame, and a seat having a front edge and a back edge and that is supported by the seat frame. A vertical lift mechanism couples the base frame to the seat frame and is configured to translate the seat from a first height to a second height. A seatback extends upwardly from the back edge of the seat in a first configuration and extends downwardly from the back edge of the seat in a second configuration. When the seatback is in the second configuration, a patient may slide over the back edge of the seat. A transition mechanism moves the seatback between the first and second configurations. | 12-15-2011 |
20120001468 | VEHICLE SEAT, IN PARTICULAR UTILITY VEHICLE SEAT - A vehicle seat, in particular a utility vehicle seat, has a seat frame which can be pivoted by a pneumatic spring and which can be adjusted in terms of height. An adjuster ( | 01-05-2012 |
20130292983 | VEHICLE SEAT, IN PARTICULAR UTILITY VEHICLE SEAT - A vehicle seat has a scissor-type stand vibratable and adjustable in height, with a pneumatic spring and cranks intersecting at a scissor shaft, and a control device for level control and height adjustment of the scissor type stand. The control device has a driver, a switching element coupled with the driver, and a valve device controlled by the switching element, for controlling the pneumatic spring. The driver and the valve device are kinematically assigned to different parts of the stand, such parts being movable relative to one another. The switching element is spaced from the shaft and rotatably supported on the first crank. The valve device is connected with the first crank, and the driver is configured as a Bowden cable, the core of which is coupled with the switching element, and the jacket of which is fixedly connected with the second crank. | 11-07-2013 |
20150028643 | Universal Chair Lift Apparatus - An adjustable lift apparatus for use with a rocking/reclining chair having at least one support leg, the apparatus comprising an upper support having at least one leg stand to securely engage at least one leg, and an adjustment means for adjusting each leg support stand to the desired location to engage all of the chair's legs; a lift means for reversibly biasing the upper support away from the base; a base adapted to rest on the floor and support the apparatus; a controller in communication with and controlling the lift means, whereby, the adjustable lift apparatus provides an inexpensive and universal way of engaging and raising the rocker/recliner chair with varying styles of legs and bases through the use of a controller to automatically position the chair to a user desired height thereby making it easier for elderly and handicapped persons to get into and out of the chair. | 01-29-2015 |
297344170 | Motor actuated | 2 |
20090218868 | SEAT LIFTING APPARATUS - A seat lifting apparatus includes a seat cushion frame pivotally moving about a pivot center provided at a lower frame, a driven gear having a first end portion engaged with a driving gear connected to a driving mechanism, a pivotal link member provided between a second end portion of the driven gear and the seat cushion frame for absorbing a deviation between a locus of the second end portion of the driven gear and an arc-shaped locus of the seat cushion frame, and a side frame plate pivotally supported by the lower arm about the pivot center for supporting the seat cushion frame and including a sidewall portion arranged to be parallel with an operational plane of the driven gear and the pivotal link member. The pivotal link member and the side surface portion of the side frame plate are engaged with each other at plural portions. | 09-03-2009 |
20120187735 | Height- Adjustment Device For a Vehicle Seat - A height adjustment mechanism for a vehicle seat includes an adjustment parallelogram. The adjustment parallelogram includes a seat frame part, an upper rail and lateral links connecting the seat frame part and the upper rail. A spindle drive can adjust the adjustment parallelogram such that a distance between the seat frame part and the upper rail is changed by changing a length of the spindle drive. The spindle drive connects two obliquely opposing corners of the adjustment parallelogram ( | 07-26-2012 |