Class / Patent application number | Description | Number of patent applications / Date published |
074890140 | Including worm | 57 |
20090100949 | MOTION GUIDE APPARATUS - A linear guide device ( | 04-23-2009 |
20090107268 | ELECTRO-MECHANICAL ACTUATOR EQUIPPED WITH A MECHANICAL BRAKE OF COIL SPRING TYPE - An actuator having a frame which is fixed to an electric motor; a gear drive for transmitting motion from the motor to a drive shaft between two predetermined positions, and a brake consisting of a coil spring, having, when relaxed, an inside diameter that is smaller than the outside diameter of a support shaft that is fixed relative to the gear drive, and around which the spring is coiled, each of the two free ends of the spring being arranged in a respective slot, formed in the frame. | 04-30-2009 |
20090151487 | Tilting device - A tilting device is disclosed. The tilting device may include: a base; a guide, of which one side is hinge-coupled to the base; a jointed link, in which a joint is formed, and of which either end is hinge-coupled respectively to the base and to the other side of the guide, to thereby allow the guide to tilt; a leadscrew engaging the joint; and a driving unit configured to drive the leadscrew. With this configuration, the tilting device may be implemented in a compact structure using a smaller driving unit. | 06-18-2009 |
20090223313 | Drive apparatus for a swing-out element of a motor vehicle - A drive apparatus is provided for a swing-out element of a motor vehicle, in particular for a swiveling swing-out window, which is automatically adjustable between an open position and a closed position along a movement path, including a driving gear driven by an electric motor, to which a swing-out lever connected to the swing-out element is coupled at a pivot point that is guided at a radial distance in relation to the rotary axle of the driving gear on a guide path deviating from a circular path, the distance decreasing along the guide path from the open position of the swing-out element to the closed position. | 09-10-2009 |
20090272210 | Pivoting Device for a Centrifugal Traction Assembly of a Vehicle - The invention discloses an anti-skid mechanism operating device ( | 11-05-2009 |
20090288506 | POWER ACTUATOR - A power actuator is provided for a door latch. A transfer lever within the housing is selectively coupled to a motor-driven worm gear via a lost motion connector. Engaging the motor moves the transfer lever between a locked and an unlocked position, actuating an output lever mounted to a spline on the transfer lever. The worm gear returns to a neutral position when the motor is disengaged, leaving the transfer lever in either the locked or unlocked positions. Manually moving the output lever causes the transfer lever to move between its locked and unlocked positions without back-driving the worm gear. A toggle mechanism prevents the transfer lever from accidentally moving or only moving partially between the locked and unlocked positions. | 11-26-2009 |
20100170356 | DRIVE FOR RECLINING FURNITURE - A drive mechanism for a piece of reclining furniture. The mechanism has a housing whose side walls are formed adjacent an upper wall with a pair of longitudinally spaced seats defining a pair of generally parallel and transversely extending axes lying in a common first plane. Respective furniture shafts rotatable in the seats are connectable to parts of the piece of reclining furniture, and respective arms project from the furniture shafts. Respective servomotors in the housing each have an output shaft defining an output rotation axis. The output rotation axes define a second plane forming an angle greater than 0° with the first plane, respective transmissions and links between the output shafts and the control arms so that rotation of the output shafts is transmitted through the respective transmissions and links to the control arms to rotate the furniture shafts. | 07-08-2010 |
20100192712 | CAMERA DEVICE AND DRIVE MECHANISM - A drive mechanism ( | 08-05-2010 |
20100294055 | ROOF CUTTER HOLDER ADJUSTMENT DEVICE AND SECURING ELEMENT THEREFOR - A roof cutter holder adjustment device for a roof cutter holder arranged in a vertically adjustable manner on a plow body of a winning plow, comprising a worm wheel for interacting with a rack-like tooth system on the roof cutter holder, an input shaft for actuating the worm wheel, and comprising a head plate which has a passage for the input shaft and which can be fastened or is fastened to the plow body in a rotationally fixed manner. In order to enable the roof cutter holder adjustment device to be mounted and released in a simple manner, the head plate has at least one fastening device, to which a securing element which can be put onto the free end of the input shaft can be fastened in a rotationally fixed manner in the mounted state. | 11-25-2010 |
20110061480 | QUICK-RELEASE MECHANISM OF AN ACTUATOR - A quick-release mechanism of an actuator, including: a worm wheel having a circular body section, a shaft hole extending through the body section along a curvature center line thereof; a rod-like push body coaxially fitted through the shaft hole; and a clutch unit having a first clutch section and a second clutch section. The first clutch section is integrally formed on an end face of the body section. The second clutch section is slidably and relatively unrotatably fitted on the push body. The second clutch section is movable along an axis of the push body between a disengaging position and an engaging position. When positioned in the engaging position, the first and second clutch sections are engaged to drivingly couple the push body with the worm wheel. When positioned in the disengaging position, the first and second clutch sections are disengaged to uncouple the push body from the worm wheel. | 03-17-2011 |
20110167938 | Tire Insert Attachment Apparatus - A tire insert attachment apparatus includes a pin attached to a first part of the insert and extending into a second part of the insert to engage an actuator that draws the bolt into the second part. The actuator includes a tool engagement head that transmits rotational motion of a tool to a translator via a converter, the converter transforming the rotational motion of the head into linear motion imparted on the translator. The translator can be a rack and pinion setup or can be a thread arrangement. Preferably, the head rotates a worm, which rotates a pinion that has threads formed on an inner surface and engaging mating threads on the pin, the pin taking the form of a bolt, such as an eyebolt. | 07-14-2011 |
20110265586 | GLOVE BOX ACTUATOR - A glove box actuator is disclosed herein, the glove box actuator having: a motor; a worm gear driven by the motor, the worm gear having a spur gear configured to engage a drive gear pivotally secured to the actuator for movement between a first position and a second position; and an actuation plunger configured to engage a helical cam of the drive gear such that rotational movement of the worm gear is translated into liner movement of the actuation plunger and movement of the drive gear between the first position and the second position causes linear movement of the actuation plunger from a first position to a second position. | 11-03-2011 |
20110308339 | Driving apparatus with a vibration limiter for worm gear - A driving apparatus for operating a sunshade, includes a housing, a gear assembly, a drive unit and a vibration limiter. The drive unit | 12-22-2011 |
20120000303 | ELECTRIC POWER ASSISTED DRIVE, IN PARTICULAR A WIPER DRIVE - Electromotive auxiliary drive, particularly a wiper drive, with an electric motor and a downstream gear forming an output shaft of the auxiliary drive, presenting at least two gear stages arranged in series in a drive train between the electric motor and the output shaft, of which one first gear stage is designed in the manner of a worm gear consisting of a worm and of a gearwheel or worm wheel interacting with this worm. | 01-05-2012 |
20120079901 | Helical rotary actuator - This invention relates to a novel helical dual-center engagement converting mechanism and its applications in fluid-powered actuation system, more particularly to a highly reliable, simple, powerful and balanced and less expensive helical rotary actuator. This actuator comprises a self-balanced linear/rotary dual-center engagement converter, compact porting systems and easy manufacturing modules and various bodies and shaft interface with other components. | 04-05-2012 |
20120125132 | Bearing system for a worm in a steering gear - Disclosed is a bearing system for a worm engaging with a worm wheel as part of a steering gear, wherein the bearing system comprises at least one bearing with an outer ring, an inner ring, and rolling bodies that are movably accommodated between the outer an inner rings, the bearing being pivotally arranged in a bearing seat for accommodating the outer ring of the bearing, and wherein the inner ring accommodates one of the two shaft ends of the worm in order to seat said shaft end of the worm radially in the housing of the steering gear. For an improved dampening of the worm at least one spring element, which exerts a spring force on a region of the outer ring of the bearing, is provided at the bearing, said spring force supporting a pivotal motion of the worm toward the worm wheel. | 05-24-2012 |
20120137800 | PARKING RELEASE ACTUATOR - In a parking release actuator, a related motion between a motor and a cable uses a number of worm gears and worm wheel gears using rotation motions in different directions, and the cable is pulled or released by a cable guide converting a rotation motion into an angular motion. Therefore, a number of worm gears and worm wheel gears and the cable guide are made compact and intensive. As a result, it is possible to reduce the entire size of a housing and significantly reduce the operation of the operator required for manual locking or manual release, thereby further improving convenience. | 06-07-2012 |
20120137801 | Adapted Torque Motorisation System for Deployable Spatial Structures - A motorisation device comprises two substantially parallel winding cylinders, and at least one longitudinal linking element able to maintain a predetermined distance between the winding cylinders and wound around winding tracks, the linking element consequently having a crossing point located between the winding cylinders. The motorisation device includes two flexible tracks, fixed on each of the winding cylinders and arranged to face and to touch eachother at the contact point, a pre-stressing force being applied to the contact point under the effect of said linking element. The flexible tracks are spiral shaped and arranged such that the contact point between the two spiral-shaped flexible tracks, located between the winding cylinders, is offset relative to the crossing point of the linking element, such that a torque dependent on the distance between the contact point and the crossing point is applied to the contact point, causing reciprocal rotation of the flexible tracks. | 06-07-2012 |
20120227522 | HIGH-LOAD LINEAR ACTUATOR - A high-load linear actuator includes a driving mechanism, a worm shaft, a worm wheel assembly, a lead screw, a telescopic pipe and an outer pipe. The driving mechanism includes a base and a motor. The base has a supporting portion and an accommodating portion. The motor is fixed to the supporting portion. The worm shaft extends from the motor into the supporting portion. The worm wheel assembly comprises a worm wheel and two bearings for supporting the worm wheel in the accommodating portion. The worm wheel is drivingly engaged with the worm shaft. The lead screw is disposed through the worm wheel and driven by the motor for rotation. The telescopic pipe slips on the lead screw to be threadedly connected therewith. The outer pipe slips on the telescopic pipe. The rotation of the lead screw drives the telescopic pipe to linearly extend or retract relative to the outer pipe. By this structure, the present invention can be used in a medical apparatus capable of supporting a heavy load stably. | 09-13-2012 |
20130081488 | POP-UP DEVICE FOR VEHICLE - A pop-up device for a vehicle is provided, which includes a case, a pop-up structure inserted into an upper portion of the case, and a driving structure provided inside the case to make the pop-up structure ascend out of the case or descend into the case. More specifically, the driving structure includes a motor, a screw shaft provided in upward and downward directions in the case and has a spiral groove formed along an outer periphery thereof to be rotated through driving of the motor, and a plate on which the pop-up structure is mounted. The plate is movably coupled to the spiral groove formed on the screw shaft in the upward and downward directions to make the pop-up structure ascend or descend when the screw shaft is rotated. | 04-04-2013 |
20130145871 | DEVICE FOR OPERATING SUNROOF IN VEHICLE - An operating device for a sunroof of a vehicle may include a motor housing disposed at a rear side of a roof panel and a mounting space, an operating motor disposed at one side of the motor housing and a worm inserted into the mounting space, a gear unit rotatably disposed in the mounting space engaged with the worm and is rotated by the operating motor, a glass cable connected to the gear unit and to a moving glass disposed outside of the roof panel to move the moving glass, a sun shade cable connected to the gear unit at an upper side of the glass cable and is connected to the sun shade inside the roof panel to move the sun shade, and a locking unit disposed on the motor housing corresponding to the gear unit and selectively locks the gear unit such that the cable is separately operated. | 06-13-2013 |
20130180348 | ADJUSTMENT DRIVE FOR AN ADJUSTMENT DEVICE OF A MOTOR VEHICLE SEAT - An adjustment drive for an adjusting device of a motor vehicle seat includes a drive motor | 07-18-2013 |
20130199321 | ADJUSTMENT DRIVE WITH AN INTEGRATED OVERLOAD PROTECTOR - An adjustment drive for a component which can be operated both by means of the adjustment drive and also manually, in particular of a motor vehicle, wherein the adjustment drive comprises a drive unit and an output unit, wherein the output unit is provided in order to reduce the output speed of the drive unit, wherein the drive unit comprises a transmission component into which an overload protector is integrated. | 08-08-2013 |
20130199322 | POWER GENERATION FOR VALVE ACTUATORS - The present invention utilizes operation of a valve actuator to generate electrical power. A portion of the mechanical energy generated by operation of a valve actuator is converted to electrical energy. The mechanical energy may be converted to electrical energy at the same time as the valve actuator is operating or the mechanical energy may be stored for later conversion. A valve actuator may be operated manually, electrically, pneumatically, or hydraulically. Generated electrical energy may also be stored. | 08-08-2013 |
20130291666 | XY ALL-DIRECTIONAL PRECISION ALIGNMENT PLATFORM - The present invention provides an XY all-directional precision alignment platform comprising: an XY-axes moving platform comprising: X-axis moving platform and Y-axis moving platform; said X-axis and Y-axis moving platforms being stacked together; a θ-angle rotating platform; said θ-angle rotating platform stacked onto said carrier surface thereof; wherein said θ-angle rotating platform is driven to perform precise θangle rotation achieving 360° and is of a four-layered thickness only, achieving the goal of having a light and thin product. | 11-07-2013 |
20130291667 | XYtheta PRECISION ALIGNMENT PLATFORM - A xyθ precision alignment platform including three power units and three moving platforms is provided. Two of the power units can drive a third moving platform moving in X or Y direction. The other power unit has a worm which can drive an arcuate teeth arrange disposed between the second and third moving platforms to drive the third moving platform rotating. Whereby, since the worm is arranged to drive the arcuate teeth arrange laterally, the alignment platform is thin and the rotative movement of the third moving platform can be precisely controlled. Additionally, each power unit may be electrically connected to a controller for respectively driving and controlling each power unit. When only the rotation of the third moving platform is required, only one of the power units needs to be driven, thus simplifying the operation of the alignment platform and improving the work efficiency. | 11-07-2013 |
20130298707 | LINEAR ACTUATOR - A linear actuator includes a motor, a movable unit, and a stroke control unit. The motor includes a spindle. The movable unit includes a worm gear and a rotary shaft. The worm is provided with annular spiral or helix teeth. The stroke control unit includes at least one transmission member and at least one micro switch. The at least one transmission member is engaged with and driven by the spiral or the helix teeth of the movable unit for synchronical rotation to activating or deactivating the micro switch. In this way, the linear actuator is simplified in structure and reduced in volume. | 11-14-2013 |
20130305855 | GEAR CHANGE ACTUATOR - A gear change actuator ( | 11-21-2013 |
20130319143 | ACTUATION SYSTEM - Disclosed is an actuation system for adjusting the rigidity of elastic elements by using two sets of transmission modules together with a link gear and two sets of nonlinear elastic elements. The actuation system actuates an external arm by controlling the two sets of transmission modules to rotate in different directions and adjusts the rigidity of the elastic elements by controlling the two sets of transmission modules to rotate in the same direction, so as to achieve the effects of reducing the number of actuation modules used, minimizing the volume of the actuation system, and reducing production cost. | 12-05-2013 |
20140053668 | LOCATING BEAM AND ROBOT LINEAR MOTION UNIT HAVING THE SAME - The present invention provides a locating beam and a robot linear motion unit having the same. The locating beam comprises a first support beam ( | 02-27-2014 |
20140174220 | ACTUATOR FOR ACTIVE AIR FLAP APPARATUS - Disclosed herein is an actuator for an active air flap apparatus which may manually open air flaps during an actuator failure and may prevent the opened air flaps from closing using e.g., vehicle induced wind. The apparatus includes a worm gear that is driven by the power of a motor and a spur gear that is configured to transmit rotary force of the worm gear towards the air flaps. | 06-26-2014 |
20140182401 | ELECTRONIC POWER-STEERING APPARATUS - Construction of an electric power-steering apparatus is achieved that, by stably suppressing backlash of an output shaft | 07-03-2014 |
20140182402 | ON-LOAD TAP CHANGER WITH WORM GEAR - The invention relates to a worm gear which is arranged directly on the head of an on-load tap changer and has a housing, a worm, and a worm wheel, wherein means for torque detection comprising at least one radio-scannable surface wave sensor, a rotor antenna and a stator antenna are provided in the interior of the worm gear. | 07-03-2014 |
20140190288 | ELECTRIC POWER ASSISTED STEERING SYSTEM FOR VEHICLES - An electric power assisted steering system for vehicles is disclosed. The system includes an electric motor drive having a motor housing, a motor shaft, and at least a first bearing and a second bearing for mounting the motor shaft. At least one bearing plate receives one of the first and second bearings and the other of the first and second bearings is fixed in place on the motor housing in a radial direction. The system further includes a worm gear shaft operably connected to the motor shaft so as to be driven by the motor shaft, a worm gear wheel received in a transmission housing, the worm gear shaft meshing with the worm gear wheel, and at least one elastic element elastically coupling the at least one bearing plate to the motor housing such that the motor housing can tilt with respect to the at least one bearing plate. | 07-10-2014 |
20140216186 | High-Load Linear Actuator - A high-load linear actuator includes a driving mechanism, a worm shaft, a worm wheel assembly, a lead screw, a telescopic pipe and an outer pipe. The driving mechanism includes a base and a motor. The base has a supporting portion and an accommodating portion. The motor is fixed to the supporting portion. The worm shaft extends from the motor into the supporting portion. The worm wheel assembly includes a worm wheel and two bearings for supporting the worm wheel in the accommodating portion. The worm wheel is engaged with the worm shaft. The lead screw is disposed through the worm wheel and driven by the motor for rotation. The telescopic pipe slips on the lead screw to be threadedly connected therewith. The outer pipe slips on the telescopic pipe. The rotation of the lead screw drives the telescopic pipe to linearly extend or retract relative to the outer pipe. | 08-07-2014 |
20140251043 | CLUTCH MECHANISM - A clutch mechanism | 09-11-2014 |
20140311262 | ELECTRIC ACTUATOR - A worm gear unit is fitted to an output shaft of a motor rotation unit. A bearing supports the output shaft rotatably and makes contact with the worm gear unit, which is applied with thrust load and moved to an other side. A yoke has a bottom portion surrounding the motor rotation unit on one side and having a shaft hole through which the output shaft passes. An axial hollow is formed in the bottom portion by press working to be coaxial with the shaft hole and to open on the one side to accommodate the bearing. A projected piece is formed simultaneously with the axial hollow in the press working. The projected piece is projected inward in a radial direction toward the axial hollow and located between the motor rotation unit and the bearing in the axial direction. | 10-23-2014 |
20140318289 | WORM GEAR MECHANISM - A worm gear mechanism includes a worm connected to an electric motor, and a worm wheel engaged with the worm. In the worm wheel, a tooth flank is formed of a resin material. In the tooth flank, an engagement recess, which is based on a trajectory of a contact point being in contact with a tooth of the worm according to a rotation of the worm, is formed by injection molding, together with the tooth flank, using a mold. The engagement recess includes a plurality of points which are recessed in the direction of a tooth of the tooth flank correspondingly to the trajectory of the contact point with which the most convex portion of the tooth of the worm is in contact. A line connecting the plurality of points interconnects with respect to a tooth width center line of the tooth flank of the worm wheel. | 10-30-2014 |
20140338477 | FORCE TRANSMISSION MECHANISM FOR TELEOPERATED SURGICAL SYSTEM - A force transmission mechanism for a teleoperated surgical instrument may include a gear, a push/pull drive element, and a connection element. The push/pull drive element may be configured to transmit force to actuate an end effector of the surgical instrument and to rotate with a shaft of the surgical instrument when the shaft is rotated by the force transmission mechanism. The connection element may operatively couple the gear and the push/pull drive element. The connection element may be configured to convert rotational movement of the gear to a substantially linear movement of the push/pull drive element. The connection element may be configured to rotate with the push/pull drive element and relative to the gear. | 11-20-2014 |
20140338478 | VALVE ACTUATOR TORQUE LIMITER - A valve actuator torque limiter ( | 11-20-2014 |
20150013483 | DRIVE APPARATUS - Drive apparatus ( | 01-15-2015 |
20150013484 | Device for Manually Actuating a Piece of Closing or Sun Protection Equipment - The invention relates to a device ( | 01-15-2015 |
20150027248 | ELECTRIC POWER STEERING SYSTEM - In a speed reducer of an electric power steering system, a first bearing supports a first end portion of a worm so that the first end portion is movable in an axial direction. Elastic members elastically support the worm in the axial direction. A second bearing supports a second end portion of the worm. An urging member oscillates and urges the worm. The sum of first frictional resistance in the axial direction between an inner ring of the first bearing and the worm and second frictional resistance in the axial direction between the urging member and an outer circumference of an outer ring of the second bearing is less than engagement frictional resistance in the axial direction of the worm. | 01-29-2015 |
20150059500 | ANTENNA MOUNT FOR SELECTIVELY ADJUSTING THE AZIMUTH, ELEVATION, AND SKEW ALIGNMENTS OF AN ANTENNA - An antenna mount for adjusting the azimuth, elevation, and/or skew alignments of an antenna. The mount has a basic gearbox drive including a worm gear and worm wheel with interchangeable arcuate members that can be inserted in the basic drive design to customize it for azimuth, elevation, and/or skew adjustments. The arcuate member for azimuth adjustments permits the gearbox drive to rotate the attached antenna more than 360 degrees and provides two hard stop positions about 400 degrees from each other for reference points for the search routine and to prevent undue twisting of any attached, exterior wiring. Replacing the azimuth arcuate member with a modified or second arcuate member reduces the rotational movement (e.g., to 20 degrees) making the gearbox drive more suitable for elevation adjustments. Similarly, a third gearbox drive can be provided with a third arcuate member with more of a middle range of movement (e.g., 90-180 degrees) suitable for skew adjustments of the antenna. | 03-05-2015 |
20150082923 | SLEW DRIVE GEARBOX WITH TORQUE TUBE - A slew drive includes a housing, a worm shaft having a worm thread carried within the housing for rotational movement, and a torque tube having an outer diameter and a central socket. The torque tube is carried by the housing for rotational movement perpendicularly to the worm shaft and worm thread. A ring gear section having teeth, is carried by the torque tube so that the teeth extend beyond the outer diameter of the torque tube and engage the worm threads. Rotation of the worm shaft rotates the worm threads engaging the teeth of the ring gear section, thereby rotating the ring gear section which rotates the torque tube relative the housing. | 03-26-2015 |
20150082924 | SLEW DRIVE GEARBOX AND CLAMP - A slew drive with clamp including a slew drive having a housing, a worm shaft having a worm thread carried within the housing for rotational movement, a torque tube having an outer diameter and a central socket extending therethrough, the torque tube carried by the housing for rotational movement perpendicularly to the worm shaft and worm thread, and coupling means for rotatably engaging the torque tube with the worm threads. A transverse support member is received in the socket and extends substantially perpendicularly therefrom. A clamp is carried within the socket movable between a clamped and an unclamped position for clamping the transverse member fixedly within the socket. | 03-26-2015 |
20150107384 | REDUCER OF ELECTRIC POWER AUXILIARY STEERING APPARATUS - Disclosed is a reducer of an electric power auxiliary steering apparatus. According to embodiments of the present invention, impulse noise of a worm shaft bearing caused by fluctuation of a worm shaft can be reduced, and strength of a damping member in a direction toward a worm wheel and an opposite direction thereto is lower than that in other directions, so that the fluctuation of the worm shaft can be more effectively alleviated. | 04-23-2015 |
20150114149 | ROBOT, ROBOT CONTROL DEVICE, AND ROBOT SYSTEM - A robot includes a base; a trunk linked to the base; a multi-joint robot arm rotatably linked to the trunk; and an elevating mechanism capable of bringing the trunk to a low position and a high position higher than the low position, and a time taken when a tip of the multi-joint robot arm is moved by a predetermined distance when the trunk is at the high position is longer than a time taken when the tip of the multi-joint robot arm is moved by a predetermined distance when the trunk is at the low position. | 04-30-2015 |
20150135865 | DEVICE FOR CONTROLLING A FURNITURE DRIVE - A device for controlling an electromotive linear drive configured as a furniture drive for adjusting movably mounted parts of reclining and seating furniture, consisting of at least one threaded spindle ( | 05-21-2015 |
20150289665 | ELECTROMOTIVE FURNITURE DRIVE - An electromotive furniture drive with a guide path and an output unit which moves along the guide path and which at least partly surrounds the guide path. The guide path has a gear rack, and the output unit has a drive motor with a speed-reducing mechanism and an output gear which is in engagement with the gear rack of the guide path. | 10-15-2015 |
20150300053 | LATCH WITH LINEARLY OPERATED LOCK LEVER - An actuator for a latch is provided, the actuator having: a motor operatively coupled to a gear train; and a sector gear pivotally mounted to the actuator and operatively coupled to the gear train, wherein rotational movement of the sector gear is translated into linear movement of a link operatively coupled to the sector gear and wherein linear movement of the link causes a linear movement of a portion of a lock lever operatively coupled to the actuator. | 10-22-2015 |
20150308527 | TRANSMISSION DEVICE AND ELECTROMOTIVE BRAKE BOOSTER - A transmission device, for example of an electromotive brake booster, includes a first worm gear and a first pinion connected to each other and rotatable about a shared first rotation axis, a second worm gear and a second pinion connected to each other and rotatable about a shared second rotation axis, a worm shaft that can be set into rotation by an electric motor and that is contacted by the first and second worm gears, a piston that is adjustable along an adjustment axis by rotations of the first pinion about the first rotation axis and the second pinion about the second rotation axis and that is guided in a floating manner to be adjustable perpendicularly to the adjustment axis by a floating travel of at least 0.6 mm. | 10-29-2015 |
20150330486 | ACTUATOR AND APPLICATIONS OF SAME - In one aspect of this invention, an actuator includes a motor having an output worm shaft, a transmission mechanism operatively coupled to the output worm shaft of the motor for converting a rotating motion of the motor into a linear reciprocating motion, a housing and mounting means for mounting the motor in the housing, where the transmission mechanism is devoid of a coil spring, and the mounting means is devoid of a foam plastic block. | 11-19-2015 |
20150353106 | GUIDE-RAIL TRACK VEHICLE, AND METHOD FOR CHANGING DISTANCE BETWEEN GUIDANCE WHEELS - This guide-rail track vehicle, which travels on a track, is provided with: a carbody disposed at the top of a vehicle; and a running device that supports the carbody from below, and has a guide frame to which at least a pair of guide wheels, which are guided by a guide rail disposed on the track, are attached. Moreover, the guide frame has: a pair of beam members that are capable of sliding in the width direction of the track, and to which the guide wheels are attached; a rotating part capable of rotating around a first axis in the direction of travel; and a transmission part that converts the rotation of the rotating part to motion in the width direction, and moves the guide wheels in a symmetrical fashion by synchronizing the pair of beam members. Thus, the guide-rail track vehicle has a running device that allows the distance between the guide wheels to be changed. | 12-10-2015 |
20160025195 | ACTUATOR FOR RENDERING AT LEAST ONE OPTICAL ELEMENT MOVABLE - This disclosure relates to an electric actuator to render optical elements movable. The electrical actuator generally has a motor, a mechanical transmission assembly having an endless screw, a support element of the endless screw, a drive mechanism, and a return mechanism. The motor is configured to drive the mechanical transmission assembly and the mechanical transmission assembly is configured to drive the drive mechanism, wherein the return mechanism exerts an axial pressure against the endless screw in such a way as to press the endless screw against the support element. The disclosure also relates to an assembly having a movable optical element and an electric actuator of the movable optical element as described above. | 01-28-2016 |
20160144883 | SYSTEMS FOR DETECTING LOCKED CONDITION OF STEERING COLUMN - In one exemplary embodiment of the present invention, a steering column assembly is provided. The steering column assembly includes a steering column, a mounting bracket, an actuator rotatably coupled to the mounting bracket, the actuator rotatable between a locked position and an unlocked position, and a detection assembly configured to detect when the actuator is in the unlocked position. | 05-26-2016 |
20170231703 | FORCE TRANSMISSION MECHANISM FOR SURGICAL INSTRUMENT, AND RELATED SYSTEMS AND METHODS | 08-17-2017 |