Abstract: A recliner heart includes a first locking plate, a second locking plate, a hub, a pair of wedges, a first biasing member, and a second biasing member. The first locking plate includes first teeth. The second locking plate is rotatable relative to the first locking plate and includes second teeth. The first biasing member is configured to apply a first biasing force to the wedges. The second biasing member is configured to apply a second biasing force to the wedges. The hub is rotatable between a first position in which the first and second biasing forces are applied to the wedges to restrict rotation of the second locking plate relative to the first locking plate, and a second position in which the first biasing force applied to one wedge of the wedges is reduced to allow rotation of the second locking plate relative to the first locking plate.

Abstract: A chair for reducing a load on the buttocks and the waist, and, to a chair (100) includes a seat (110) and a backrest (130) and further comprising a spacer (120) protruding upward from the rear end of the seat (110), wherein the bottom of the backrest (130) is provided on the top of the spacer (120) so as to be tiltable rearward, and the point at which the angle of the backrest (130) is adjusted with respect to the spacer (120) corresponds to a point (P) at which the lumbar of a user body sitting on the seat (110) is curved inward.

Abstract: An electrically-actuated variable camshaft timing (VCT) phaser assembly, comprises a sun gear configured to receive input from an electric motor and one or more planet gears having radially-outwardly-extending gear teeth that engage the sun gear; a first ring gear, having radially-inwardly extending gear teeth that engage the radially-outwardly-extending gear teeth of the sun gear, configured to receive rotational output provided by a crankshaft; a second ring gear, having radially-inwardly extending gear teeth that engage the radially-outwardly-extending gear teeth of the sun gear, configured to couple to a camshaft; one or more planet gear pins that carry the planet gear(s) and engage a planetary gear set to prevent the relative rotation of the planet gear pin(s) relative to the planetary gear set; and one or more springs that bias the planet gear pin(s) and the planetary gear(s) toward the first ring gear and the second ring gear.

Abstract: A recliner heart may include a first locking plate, a second locking plate, a cam and a lubricant member. The first locking plate includes an outer diametrical surface having first teeth formed thereon. The second locking plate is rotatable relative to the first locking plate and includes an inner diametrical surface having second teeth formed thereon. Some of the second teeth are meshingly engaged with some of the first teeth. The cam is connected to the second locking plate and includes a groove formed therein. The lubricant member is disposed in the groove of the cam.

Abstract: An electric actuator includes a motor, a speed reduction mechanism, and a bearing fixed to a motor shaft having an eccentric axis portion. The speed reduction mechanism has: an externally toothed gear, an internally toothed gear, a facing member arranged facing the externally toothed gear, and column members arranged to protrude from one member of the facing member and the externally toothed gear toward the other member and surround the motor axis. The other member has hole portions arranged to surround the motor axis. The column members are inserted into the hole portions respectively, and support the externally toothed gear to be swingable around the motor axis via an inner side surface of each of the hole portions. At least one of the column members is attached to the one member in a manner of being rotatable around a central axis of the at least one column member.

Abstract: Disclosed herein is a vehicle seat recliner. A center boss of an external gear includes a first end and a second end having a larger diameter than the first end. Since the load of the center boss is easily distributed, it is possible to secure smooth operation performance by preventing the deformation of the center boss even though a strong external force is applied to the recliner. Since there is no need to perform heat treatment on the center boss for securing the strength thereof, manufacturing costs are reduced.

Abstract: A seat frame side member includes a frame body and a structural attachment point configured to connect a seat feature to the seat frame side member. The structural attachment point includes a projection extending from the frame body to a distal end. The projection includes a seat feature receiving portion at the distal end of the projection and a seat feature seating portion between the seat feature receiving portion and the frame body, and the seat feature receiving portion has a cross-sectional thickness that is different from a cross-sectional thickness of the seat feature seating portion. The seat frame side member can have an anisotropic microstructure with a plurality of layers built by additive manufacturing.

Abstract: Provided is a slide device that can prevent rattling of a seat with a simple structure. A slide device includes a lock mechanism for fixing an upper rail to a lower rail. The lock mechanism includes a shaft attached to the upper rail, a lock tooth swingably supported by the shaft, and a wave washer that presses the lock tooth in an axial direction of the shaft. An outer circumferential face of the shaft has an outer tapered face slanted so that the shaft becomes thinner along a direction from a proximal end portion toward a distal end portion. An inner circumferential face of the shaft hole of the lock tooth has an inner tapered face having a slant angle that allows face-to-face contact with the outer tapered face. The wave washer presses the lock tooth in a direction in which the inner tapered face is pressed against the outer tapered face to make face-to-face contact.

Abstract: Provided is a seatback rotating device used for a vehicle seat. The seatback rotating device includes an electric motor, an action mechanism, a rotor, and an abutment target portion. In the seatback rotating device, when s seatback of the vehicle sat is placed in a first standing position, the rotor is positioned in a standby state that creates a gap between a first protrusion and the abutment target portion and a gap between a second protrusion and the abutment target portion, the first protrusion and the second protrusion being provided to the rotor. In the standby state, a gap length from the first protrusion to the abutment target portion is small relative to a gap length from the second protrusion to the abutment target portion.

Abstract: A reclining device for a vehicle seat of the kind comprising a first plate carrying an internal gear and a second plate carrying an external gear cooperating with the internal gear is provided. The reclining device includes first and second wedge elements for preventing undesired rotation of the external and internal gears relative to each other. The reclining device further includes a lock spring comprising one or more locking teeth intended to engage a ring gear which is integral with one of the first and second plates for inhibiting relative rotation of the plates, and one or more spring arms, which elastically urge the locking teeth toward the ring gear. The spring arms outwardly extend from the outer perimeter of the body of the lock spring.

Abstract: Disclosed is a reclining device for a vehicle seat. The reclining device includes: a flange having internal teeth and a cylindrical-shaped flange protrusion; a gear plate having a through hole and external teeth to be partially engaged with the internal teeth of the flange in an eccentric state with the flange; an input device eccentrically positioned inside the through hole of the gear plate and configured of a rotating portion and a head portion; a wedge cam positioned between an the gear plate and the flange protrusion to maintain eccentricity of the gear plate; a support body supporting a load due to the eccentricity of the gear plate and transmitting a rotational force to the wedge cam; and an elastic portion positioned between the support body and the through hole to pressurize the wedge cam.

Abstract: A vehicle seat recliner assembly includes a first recliner heart, a second recliner heart, hand lever and a cross member. The first recliner heart is mounted to a bracket. The second recliner heart is mounted to another bracket. The hand lever is mounted to the first recliner heart and rotatable relative to the brackets to move the first recliner heart between a locked state and an unlocked state. The cross member is connected to the first and second recliner hearts and transmitting torque from the hand lever to the second recliner heart to move the second recliner heart with the first recliner heart between the locked and unlocked states. The cross member has a central part and a plurality of projections extending radially around and from the central part such that the plurality of projections are spaced apart from each other.

Abstract: A reclining apparatus (51) includes: an internal gear (61) that has internal teeth (61c) which are formed on an inner peripheral surface thereof; an external gear (63) that has external teeth (63a) which have a smaller number of teeth than that of the internal teeth (61c) and are formed on an outer peripheral surface thereof; a first wedge (71) and a second wedge (73) that are provided so as to be movable along a peripheral direction in an eccentric annular space between the internal gear (61) and the external gear (63); and a striker (79) that has a pressing portion having a pair of first protrusion portions and second protrusion portions capable of pressing the first wedge (71) and the second wedge (73). The striker (79) has a plurality of the pressing portions (81, 83).

Abstract: A gear assembly for a seat adjuster includes a gear housing, a worm gear, a helical gear meshed with the worm gear, a wobble gear carried on an eccentric lobe of the helical gear, a pinion disc, a first ring gear disposed in the gear housing, a second ring gear disposed in the pinion disc, and a pinion member carrying the helical gear and the pinion disc. The wobble gear includes first and second sets of wobble gear teeth that mesh with the first and second ring gears, respectively. A housing side gear ring disposed in the gear housing defines part of the first ring gear and the gear housing defines another part of the first ring gear. The pinion disc defines the second ring gear.

Abstract: A vehicle seat assembly includes a seatback rotationally coupled to a base at a first pivot. A securing pin is coupled with the seatback. An inertial latch is operable about a second pivot to define an idle position defined by the inertial latch biased distal from the securing pin. A deployed position is defined by an opposing directional force biasing the inertial latch into selective engagement with the securing pin wherein the seatback is maintained in a predetermined rotational position.

Abstract: A seat for a vehicle includes: a recliner configured to allow a back frame to pivot about a prescribed pivot axis with respect to a cushion frame. The seat frame is provided with a through hole arranged around the pivot axis. The recliner has a protruding portion fitted into the through hole. The seat further includes a joint portion formed by joining the seat frame and the recliner using laser welding. The joint portion has an outer circumferential portion, an inner circumferential portion and a circumferential end portion. The outer circumferential portion extends along an edge on an outer circumferential side of the through hole. The inner circumferential portion extends along an edge on an inner circumferential side of the through hole. The circumferential end portion extends along an edge on an end side of the through hole and connects the outer circumferential portion and the inner circumferential portion.

Abstract: A power transmission apparatus in one aspect of the present disclosure comprises at least one gear that transmits an inputted driving force to at least one output part; at least one shaft that supports the at least one gear; a displacement portion configured to be mechanically interlocked with a displacement gear among the at least one gear and displaced in association with the displacement gear; a housing that houses the at least one gear and the at least one shaft; and an abutting portion that is disposed in the housing and configured to restrict a possible displacement range of the displacement portion by abutting the displacement portion. The abutting portion is configured so as not to be displaced along with a rotation of the at least one gear and is disposed in the housing at a location spaced apart from the at least one shaft.

Abstract: A vehicle seating system includes a seat bottom and a seat back pivotably connected to the seat bottom. A first motor may operate to pivot the seat back relative to the seat bottom with a first gearing. A second motor may operate to pivot the seat back relative to the seat bottom with a second gearing. A transmission member may be disposed between the first motor and the second motor such that operation of the first motor drives the first gearing and rotates the elongate transmission member, thereby driving the second gearing.

Abstract: Wobbling among components is reduced. The seat reclining device includes: outer rolling members (80) disposed between a ring-shaped bottom surface portion (71) of a mounting ring (70) and an outer surface of a guide bracket (20) or an outer surface of an internal gear (30), that faces the ring-shaped bottom surface portion (71); and inner rolling members (90) which are disposed between opposed surfaces of guide groove portions of the guide bracket (20) and lock plates (60A to 60D) to guide the lock plates (60A, 60C) in a radial direction. Owing to the outer rolling members (80) and the inner rolling members (90), force pressing stacked members relatively to one another functions in a stacking direction, and as its reaction force, spring force of the mounting ring (70) acts, so that wobbling is reduced.

Abstract: A pair of wedge-shaped pieces are provided in an annular space that is defined between an inner circumferential surface of a holding recess portion and an outer circumferential surface of a bearing holder in two position that are symmetrical with each other with respect to a meshing portion between a worm wheel and worm teeth and an imaginary plane ? that contains a center axis of a worm in such a way as to fill the annular space. Then, an elastic force is imparted to both the wedge-shaped pieces in a direction in which the pair of wedge-shaped pieces move away from the meshing portion in relation to a circumferential direction.

Abstract: A reduction gear includes a housing (210) and gear stages with an externally toothed first gear wheel (240), and an internally toothed second gear wheel (260), meshing with the first gear wheel, and rotationally fixed to an output (270). The first gear wheel is moved circularly by an eccentric (226). A torque support disc prevents the first gear wheel rotating relative to the housing. The first gear wheel has a guide pin which engages in a guide groove of the torque support disc, or the torque support disc has a guide pin, which engages in a guide groove of the first gear wheel. The first gear wheel has a base body with a cam or the torque support disc has a base part with a cam which projects in the axial direction and contacts the torque support disc whereby the guide pin does not completely engage in the guide groove.

Abstract: A vehicle seat recliner for reclining a seat back with respect to a seat base, includes an internal gear member, an external gear member, a drive member, a lock member, a biasing member, and a cover. The drive member causes relative rotation between the internal gear member and the external gear member. The lock member and the biasing member operate for selectively locking and unlocking relative rotation between the internal gear member and the external gear member. The cover covers an outside of the external gear member. The outside of the external gear member includes fitting projections, wherein the fitting projections project toward the cover, and are arranged concentrically. Each of the fitting projections includes a radial inside fixed to the cover by press-fitting and recess-projection fitting, and includes a radial outside configured to be fitted to a mounting hole of the second frame.

Abstract: A reclining device includes: an internal gear; an external gear; a first wedge and a second wedge; a biasing member; and a striker, which has a pressing portion capable of pressing the first wedge and the second wedge, wherein a concave portion recessed with passing though in a diameter direction is formed on the first wedge and the second wedge, wherein the pressing portion of the striker is superimposed on an upper surface of the concave portion, and wherein the pressing portion presses a pressed portion that is provided on the concave portion on at least one of the first wedge and the second wedge to move the one of the first wedge and the second wedgepressed portion in a direction in which the wedge is pulled out from or in a direction in which the wedge is pushed.

Abstract: In the case of a seat with an armrest on an automobile, an armrest lock mechanism may be released by, for example, the gravitational acceleration (G) in the event of vehicle collision. Accordingly, it is necessary to provide an anti-G spring for biasing to prevent the lock mechanism from being easily released. The purpose of the present invention is to provide an armrest unlocking device that enables a decrease in size of the anti-G spring. In order to solve the problem, provided is an armrest unlocking device in gear, the device operating such that the locking of the lock gear and the sector gear can be released by operating a lever link bracket so as to raise the lock gear, wherein the lock gear has a center of rotation thereof aligned with the position of the center of gravity.

Abstract: Disclosed is a seat recliner for a vehicle, the seat recliner including: a flange provided with internal teeth on an inner circumferential surface thereof; a gear plate disposed in the internal teeth of the flange, provided with external teeth along an edge thereof to be engaged with the internal teeth of the flange with being eccentric with respect to the flange, and formed with a through-hole at a center thereof; a rotating cam disposed at a center of the through-hole of the gear plate; a wedge cam held between the rotating cam and an inner circumferential surface of the through-hole of the gear plate to maintain eccentricity of the rotating cam and the gear plate, and provided with a lubrication part on a contact surface with the rotating cam to preserve lubricant; and an elastic member configured to press the wedge cam.

Abstract: A reclining device including: a lower frame member that configures a portion of a frame of a vehicle seat; an upper frame member that configures a portion of the frame of the vehicle seat; a recliner that is provided between and welded to both the lower frame member and the upper frame member, and that couples the upper frame member to the lower frame member such that a relative rotation angle of the upper frame member is adjustable relative to the lower frame member; a lower side engagement portion that is provided at the lower frame member and that is formed in a circular arc shape that is concentric with the recliner; and an extension member that extends from the upper frame member toward a lower frame member side.

Abstract: Disclosed herein is a recliner for a vehicle seat, wherein a plurality of second latching protrusions (51a) is formed on a socket (50) and a plurality of first latching protrusions (41b and 42b), which is latched to the second latching protrusions (51a) when the socket rotates, is formed on two wedges (41 and 42). When the recliner is operated, a loss angle is reduced by simultaneous rotation of the wedges (41 and 42) so that the responsiveness of the recliner is improved.

Abstract: A cart, at least a folding joint mechanism disposed among an upper frame, a bottom frame and a rear wheel frame, comprising a bottom frame joint having a first arc-rack, an upper frame joint having a second arc-rack, a rear wheel frame joint, and a linkage gear unit disposed between the upper and bottom frame joints, the linkage gear unit having a first and a second gears rotating coaxially and engaging with the first and second arc-rack respectively, and the first and second gears having the numbers N1 and N2 of gear teeth respectively, and wherein N1 and N2 are greater than or equal to 6.

Abstract: A rotational brake assembly comprises: a swivel disc having an outer diameter and a plurality of locking holes proximate the outer diameter; a cam having an angled slot; a lifting pin located within the angled slot of the cam; and a rotational brake pin operably connected to the lifting pin. The cam in operation moves to at least one of a locked position and an unlocked position based on an input. The lifting pin in operation moves along the angled slot when the cam moves. The rotational brake pin in operation moves due to motion of the cam. The rotational brake pin in operation moves from an engaged position with the swivel disc to a disengaged position, when the cam moves from the locked to the unlocked position. The rotational brake pin in operation moves to the engaged position, when the cam moves to the locked position.

Abstract: A mechanism for reclining the seat back of a seat. The seat back is pivotally connected to the seat base is by a locking fixture that selectively locks and releases the seat back from the seat base. A return spring biases the seat back in the upright position and a handle in the area of the pivot point allows the operator/occupant to selectively control whether the seat back is locked or released. The return spring is mounted on an outside of the seat back and seat base, and is in the form of a coil spring. A stop element connects the handle to the locking fixture. The stop element is arranged radially inward of the coil spring. The stop element preferably has a large diameter portion with lugs interacting with the locking fixture, and has a smaller diameter portion arranged radially inward of the coil spring.

Abstract: A disc recliner 18 for a seat assembly includes a fixed plate 22 secured to a seat cushion 12 and a rotatable plate 30 secured to a seat back 14. Each of the fixed and rotatable plates 22,30 has a plurality of teeth 40,48, the number of teeth not being equal. A flex spline 26 has a plurality of teeth 52, the number of teeth being equal to the number of teeth on the fixed plate 22. A wave generator 28 causes a portion of the teeth 52 on the flex spline 26 to meshingly engage with the teeth 40,48 on the fixed and rotatable plates 22,30. Rotation of the wave generator 28 causes the teeth 52 on the flex spline 26 which meshingly engage with the teeth 40,48 on the fixed and rotatable plates 22,30 to change, thereby causing the rotatable plate 30 to rotate relative to the fixed plate 22, which in turn causes the seat back 14 to pivot relative to the seat cushion 12.

Abstract: An articulation mechanism comprising first and second frames mounted in a rotatable manner with respect to one another and connected together by a gear controlled by an input member (11) actuating an eccentric cam mounted in a rotatable manner in a cylindrical housing integral with the first frame. The cam is formed of two cam parts that are elastically urged towards a position of maximum eccentricity and are movable towards a position of minimum eccentricity during actuation of the input member. A load-spreading washer is mounted in a rotatable manner with play in the cylindrical housing, parallel to the eccentric cam.

Abstract: An electrically operated backrest adjuster (1, 1?) for a vehicle seat (3) includes a seat part (3.1) and a backrest (3.2) which is adjustable relative to the seat part (3.1). At least one of two fitting sides—of which each includes a fitting upper part (B1) mounted on the backrest and a fitting lower part (B2) mounted on the seat part—includes a fitting (2, 2?) for adjusting the inclination of the backrest (3.2). The fitting (2, 2?) is arranged between the fitting upper part (B1) and the fitting lower part (B2). The fitting sides are coupled to each other by a transmission rod (5). An electric drive unit (6, 6?) is provided on one of the fitting sides. The drive unit is arranged on the outside of the associated fitting lower part (B2) is being coupled to the transmission rod (5) for driving same.

Abstract: A driving device and a seat adjusting mechanism for vehicle are provided. The driving device includes a motor and a gearbox. The gearbox includes a worm and a worm gear. The worm is fixedly connected to an output shaft of the motor. The gearbox further includes first and second driving gears, and first and second driven gears. The first and second driving gears are coaxially fixed to the worm gear and located at two sides of the worm gear, respectively. The first and second driven gears are fixed coaxially with each other and engaged with the first and second driving gears, respectively. Two driving gears are arranged at the two sides of the worm gear symmetrically, and two driven gears are also arranged at the two sides of the worm gear symmetrically, which results in a compact structure and reduced volume of the driving device.

Abstract: A motor vehicle seat fitting (10) includes a first fitting part (11) and a relatively rotatable second fitting part (12), which are connected to each other via a gear unit or can be locked. A third fitting part (74) is mounted on a bearing ring (71) in a pivotal manner about an axis (A) relative to the first fitting part. The bearing ring is fixed to the first fitting part. The third fitting part (74) can be locked with the first fitting part or a component rigidly connected thereto. A pawl (80) is mounted on the third fitting part in a first hinge point (D1). The bearing ring (71) has multiple run-on cams (71a) which interact with multiple elevations (74a) of the third fitting part. A free clearance, in the radial direction between the bearing ring (71) and the third fitting part, is minimized when the pawl (80) is locked.

Abstract: A vehicle seat, in particular rear seat or rear bench, including a seat part, a backrest pivotally articulated to the seat part, whose position is variable between an upright seating or use position and a loading position folded forwards in direction of the seat part, a locking device arresting the backrest in the seating position, an unlocking device for unlocking the locking device for folding the backrest forwards from the seating position into the loading position, and an electromotive driving device for erecting the backrest from the loading position into the seating position. The unlocking device includes a manually actuatable release element and an electrically activatable unlocking means, so that electromotive erection or a fast manual erection of the backrest of a vehicle seat from the loading position into the upright seating is possible.

Abstract: Provided is a reclining device that prevents a seat back from falling rearward all at once when reclined rearward. The reclining device has an external gear (63), which has a cylinder (63c) at the center, an internal gear (61), which has internal teeth that engage with the external gear (63) and a circular hole (61e) in which the cylinder (63c) is inserted, and a first wedge-shaped member (71) and a second wedge-shaped member (73), which are provided between the inner surface of the circular hole (61e) and the outer surface of the cylinder (63c). The reclining device is configured such that a load from the seat back is simultaneously applied to the first wedge-shaped member (71) and second wedge-shaped member (73).

Abstract: The present invention relates to a Taumel-type reclining device and provides a reclining device in which clattering does not occur. On either the inner side or the outer side of a first wedge-shaped member 71 and a second wedge-shaped member 73, a driving ring 75 is disposed. A abutting portion of the driving ring 75 is formed such that, in a case where the internal gear 61 and the external gear 63 are in a locked state, a force to move the first wedge-shaped member 71 and the second wedge-shaped member 73 in a direction in which engagement of the inner teeth 61c of the internal gear 61 and the outer teeth 63a of the external gear 63 becomes deeper can be generated.

Abstract: A method for producing an adjustment fitting, particularly for a vehicle seat is provided, whereby an outer wheel is associated with a first fitting part, the wheel having inner toothing, and having an inner wheel that can be associated with a second fitting part, the wheel having outer toothing, wherein the inner wheel having the outer toothing is inserted into the outer wheel having the inner toothing eccentrically to a rotational axis in the manner of a wobble mechanism, wherein partial eccentric elements are inserted rotatably with respect to each other in an eccentric receiving chamber formed between the rotational axis and the inner wheel so as to produce variable eccentricity, wherein a transmission element having an engagement element for actuating the partial eccentric element is inserted such that the engagement elements interacts with a catch of the partial eccentric element.

Abstract: A seat reclining apparatus is provided in which a spring cover which covers a lock spring for rotationally biasing a rotational cam can be easily and securely mounted to an outer surface of a base plate or a ratchet plate. The seat reclining apparatus is provided with a lock spring disposed to face the outer surface of the base plate or disposed in a hole in the base plate to bias and rotate the rotational center shaft in a direction to rotate the rotational cam toward the locked position, and a spring cover disposed to face the outer surface of the base plate and covers the lock spring, and to make an inner surface of one of the seat cushion side frame and the seatback side frame contact an outer surface of a protrusion which is projected from the spring cover.

Abstract: The present invention relates to a rod adapter for operating recliner and a seat reclining device comprising the same, where the seat reclining device comprises a fixed frame; a rotating frame rotatably coupled to the fixed frame; a recliner coupled to the fixed frame at one side and to the rotating frame at the other side to adjust rotation angle of the rotating frame; a shaft rod penetrating the fixed frame, the rotating frame and the recliner; a recliner lever provided rotatable around a shaft receiving part disposed coaxially to an end part of the shaft rod; and a rod adapter disposed between the shaft rod and the recliner lever and having a rod inserting recess part where the shaft rod is inserted and a lever shaft part which is inserted into the shaft receiving part of the recliner lever so that it intermediates between rotations of the shaft rod and the recliner lever. Therefore, compatibility between the recliner lever and the shaft rod as components of the seat reclining device can be enhanced.

Abstract: a reclining device for a vehicle seat is provided by the present disclosure. The reclining device includes a bush having a serration is disposed between a plate protrusion of gear plate and a bearing. A cap inhibiting an input device and a spring from being disassembled is coupled to the gear plate by a weld. A disk-shaped retainer is coupled to a mobile flange by another weld.

Abstract: A seat recliner system includes a seat back having a back support member configured to support the back of a passenger. A connecting member extends generally orthogonally from a lower end of the back support member. The connecting member includes a front portion and a rear portion. A seat base includes a forward link operably coupled to the front portion of the connecting member. A rearward link is operably coupled to the rear portion of the connecting member such that the seat back is rotatable about a virtual hip-point of a passenger that is above the seat base and forward of the seat back.

Abstract: A seat recliner and an oil collecting element can re-collect the lubricating oil between a friction pair to friction surfaces, so as to reduce the wear rate. The oil collecting element is fixedly connected with one component in a friction pair of the seat recliner. The oil collecting element has an end face facing towards the other component in the friction pair, and each of two ends of the end face is provided with a boss, so as to form an oil collecting gap in the middle of the end face. The side face of the boss is an oil guiding face, and is configured gradually closer to the center of the oil collecting gap from outside to inside.

Abstract: A fitting system for a vehicle seat having a fitting (10), which has a first fitting part (11) and a second fitting part (12), which fitting parts can be locked to one another and can be rotated relative to one another about an axis (A). A transmission rod (7) rotates during an unlocking process to unlock the fitting (10) against the torque and follows a characteristic curve (M35) generated by a spring arrangement (35). A hand lever (5) initiates the unlocking process, the actuation of which rotates the transmission rod (7). A shaped spring (61) is active between a first component (63) and a second component (64) which rotate, relative to one another during the unlocking process. The torque generated by the shaped spring follows a non-linear characteristic curve (M61) which, together with the approximately linear characteristic curve (M35) of the spring arrangement (35), produces an overall characteristic curve (Moverall).

Abstract: A fitting (5) for a vehicle seat, in particular for a motor vehicle seat, includes a first fitting part (7), a second fitting part (8) that can be rotated relative to the first fitting part (7) about an axis (A), a drivable eccentric (11), rotatably supported about the axis (A), and at least one catch (13), which is guided by the first fitting part (7) such as to be movable in a radial direction relative to the axis (A) and which moves radially outward under the action of the eccentric (11) to lock the fitting (5) and interacts radially outwardly with the second fitting part (8). The at least one catch (13) includes a first bar part (13a) and a second bar part (13b), each of which has teeth (13a?, 13b?) for interacting with teeth of the second fitting part (8) designed as a toothed ring (8a).

Abstract: A vehicle seat includes an adjusting device, for example for adjusting the height and/or tilt of a seat part structure and/or of a backrest structure connected to the seat part structure, wherein the adjusting device is fastened to the seat part structure.

Abstract: A seat assembly comprises a seat cushion and a seat back having a bottom portion coupled to the seat cushion and an opposite top portion. A head restraint is coupled to the seat back for movement between a stowed position adjacent the top portion of the seat back and a deployed position spaced above the top portion of the seat back. A cable carriage is coupled to the seat back for actuation along a longitudinal axis between a home position and a lift position. A cable extends between a first end coupled to the head restraint and a second end coupled to the cable carriage for moving the head restraint between the stowed position and the deployed position in response to actuation of the cable carriage between the home position and the lift position.

Abstract: Hinge mechanism for a vehicle seat, comprising: first and second frames mounted so that they can rotate relative to one another; and an annular ring comprising a cylindrical base which covers the peripheral edges of the frames, and first and second side flaps. The ring does not comprise a portion that is in contact with one of the inner faces of the frames.

Abstract: A fitting (1) for an adjustment device, in particular inclination adjustment of a motor vehicle seat, includes a fitting upper part (2) having a first internal toothing (4), a fitting lower part (3) which is adjustable relative to the fitting upper part about a fitting axis and has a second internal toothing (5) arranged coaxially with respect to the first internal toothing, at least two, preferably, three, rotatably arranged planet gears (7) which are in engagement with the first and second internal toothings, and a drive shaft (6) which is in operative connection with the at least two planet gears by means of a pinion (23). Noise loads and buckling effects are avoided even after a relatively long period of operation, with a spring element (11) prestressing the planet gears (7) in the direction of the axis of rotation onto the fitting lower part (3) or fitting upper part (2).