Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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

Abstract: A vehicle seat of the invention has an upper movable member (10) supporting a headrest (3), a lower movable member (30) provided inside a backrest, and a coupling mechanism for coupling the upper movable member and the lower movable member. The coupling mechanism includes an upper link mechanism (15) positioned in an upper part of a side frame (40) and coupled to the upper movable member, a lower link mechanism (32) positioned in a lower part of the side frame and coupled to the lower movable member, and a rod (27) extending along the side frame and coupling the upper link mechanism and the lower link mechanism. The upper link mechanism amplifies a backward moving amount of the lower movable member, and moves the headrest forward.

Abstract: A helmet system that enables a user of the helmet system to customize the helmet system according to personal taste, a task at hand, responsibilities within a tactical group (e.g., communications, command, etc.), and/or according to other parameters. The customization of the helmet system may include a customization of electronics modules carried on the helmet system that optionally provide communications, environment detection, health or biometrics monitoring, power, information transmission/reception, information processing, and/or other functionalities. The customization of the helmet system may include a customization of structural components that enable the user to balance the structural protection provided to the user against other considerations. The other considerations may include, for example, weight, form factor, comfort, and/or other considerations.

Abstract: A vehicle seat for use in military vehicles provides increased protection for a helmeted or unhelmeted combatant soldier. The seat includes a seat portion having a layer of high impact energy absorbing material. A back support portion adjoined to the rear of the seat portion extends upwardly for supporting the rearward side of the seated soldier. The back portion has a lower section for supporting the thorax and lower back, and two overlying sections which are positionable for supporting and restraining rearward movement of the helmeted or unhelmeted head and the neck. The overlying sections are moveable toward and away from the soldier and together define a surface and contour which interacts with the seated soldier during rear end impact to maintain the pre-collision shape of the soldier's supported spinal curves, to aid in avoidance of whiplash and similar injuries. Swivelable side portions actuated by sensors flank the sides of the soldier for further protection.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: The present invention relates to an actuating means with which the position of a component can be changed directly or indirectly.

Abstract: 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.

Abstract: 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.

Abstract: A reduced thickness vehicle seat is provided with an active headrest, including a transmission assembly for transmitting a load received by a pressure receiving part to the headrest side, and a mechanism for moving the headrest when a rear end collision occurs. The transmission assembly has a lower link movably installed in the lower part of the seat back frame of the vehicle seat and connected to the pressure receiving part; an upper link disposed in the upper part of the seat back frame and movably connected with the headrest; and a connecting link connecting the lower link and the upper link to each other and operating in association with the operation of the lower link. The connecting link has a bent part bent along the lengthwise direction in the direction to separate from the backrest surface of the seat back.

Abstract: 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.

Abstract: 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.

Abstract: 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 therebetween.

Abstract: 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.

Abstract: 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. Therefore, the present invention has a construction as follows. A head rest control system in which a head rest of a seat of a vehicle is constructed to be moved back and forth by a head rest moving mechanism may include a sensor detecting a distance between the head rest and a head of a passenger, and a control device controllably actuating the head rest moving mechanism.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: A system comprising a seat having upper and lower members, a restraint, and a connector assembly having first and second members connected with the restraint and the seat. The first member has a top and a bottom, with the top being connected to the restraint and being pivotally connected to the upper member at an upper pivot point. The second member has a top and a bottom, with the top being pivotally connected to the bottom of the first member at a middle pivot point, and the bottom being pivotally connected to the lower member at a lower pivot point. The upper and lower pivot points are fixed relative to the seat. The first member pivots about the upper pivot point and the second member pivots about the lower pivot point. Aft movement of the middle pivot point results in fore movement of the restraint.

Abstract: 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.

Abstract: A vehicle seat (1) having an active headrest mechanism (20) actuated by a lower lumbar mechanism (30). A seat back frame (10) mounts the active headrest mechanism (20) and the lower lumbar mechanism (30).

Abstract: A damper 1 includes a vessel 4 for accommodating a viscous fluid 3 in its interior 2; hampering walls 5 and 6 for hampering the flow of the viscous fluid 3; a partitioning member 11 which partitions each of interior portions 7 and 8 into two chambers 9 and 10 and is provided rotatably; a communicating hole 13 formed in the partitioning member 11 so as to allow the two chambers 9 and 10 to communicate with each other via a variable passage 12 whose passage cross-sectional area changes; a flow limiting means 14 for limiting the flow of the viscous fluid 3 in the chamber 9 into the chamber 10 through the communicating hole 13, when the internal pressure of the viscous fluid 3 accommodated in the chamber 9 has exceeded a fixed value on the basis of the rotation of the partitioning member 11; and a resilient means 15 for resiliently urging the partitioning member 11 in an R2 direction with respect to the vessel 4.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: The invention relates to a headrest (10) for a vehicle seat, in particular for a backrest for a motor vehicle seat, said headrest essentially comprising a headrest frame or headrest casing (14) and a foam base body (356) that surrounds the headrest frame or casing (14). In the event of a rear impact on the motor vehicle, the headrest remains fixed in relation to the backrest (conventional headrest) or at least part of the headrest is immediately displaced towards the vehicle occupant (active headrest). According to the invention, the head of a vehicle occupant can be brought into contact with the headrest (10) at least at two different heights (k1z, k2z), (two-point contact), to reduce or neutralize a torque (My) about a y-axis (y-y) in the vicinity of the vertebral column and to prevent accident-related injuries to the seat occupant, in particular to prevent cervical spine syndrome or a whiplash injury in the event of a front and/or rear impact.

Abstract: 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.

Abstract: 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.

Abstract: A carrier element for an object. The carrier element has an essentially u-shaped form and includes two side pieces, which are interconnected by a bridge.

Abstract: The present invention relates to an anti-whiplash system for the use in vehicle seats.

Abstract: The invention relates to a method for assembling a crash-active head support (1) of a vehicle seat, whereby the structure of the head support (1) is initially assembled from a rear and a front bearing shell and is then upholstered. The rear bearing shell (5) and the front bearing shell (11) are equipped with components (3, 15, 25, 31) and then the equipped bearing shells (5, 11) are rigidly connected together. An impact element (55) is coupled thereto thus forming a quadruple joint.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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;

Abstract: The present invention relates to a vehicle seat, in particular a backseat, comprising a head restraint (1) mounted on the backrest of the vehicle seat, wherein the head restraint (1) comprises a mechanism for folding the head restraint between at least one fixed operative position and at least one stowage position, characterised in that the vehicle seat further comprises an anti-whiplash system including a release mechanism associated with the head restraint (1), which release mechanism is adapted to, when the head restraint (1) is in an operative position, reduce the gap between an occupants head and the head restraint (1) in case of an accident.

Abstract: A head rest rear portion is supported to a seat back. A head rest front portion is movable forward and backward between a full-close position that is brought into contact with or close to the head rest rear portion and a full-open position that is a predetermined distance away from the head rest rear portion. A drive mechanism moves the head rest front portion. A detection sensor provided in the head rest front portion includes an electrode having a head portion detecting antenna electrode for detecting a head portion of an occupant at a time when the head rest front portion moves in the full-open position direction, and a finger detecting antenna electrode for detecting a finger of the occupant in a rear seat or the like at a time when the head rest front portion moves in the full-close position direction.

Abstract: 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.