Abstract: A seat sliding apparatus for a vehicle, includes: restraining means for restraining a sliding movement of an upper rail in a front-rear direction of a seat and having a first projection preformed at the upper rail and second projections preformed at a lower rail before assembling the upper and lower rails; and a slide supporting member disposed between the upper rail and lower rails, supporting the upper rail to be slidable in the front-rear direction relative to the lower rail and positioning the upper rail to the finally assembled position in the vertical direction. The lower rail and the upper rail are structured in a way that an interval between the first projection and each second projection along the vertical direction in which the upper rail moves between the insertion position and the finally assembled position is greater than zero.

Abstract: A headrest device includes a fixed base, a movable base disposed forward relative to the fixed base, at least one first link being rotatably supported by a connecting shaft provided between the movable base and the fixed base, at least one second link being supported by the connecting shaft so as to rotate relative to the first link, a connection portion connecting the movable base and the fixed base to be relatively movable by a relative rotation between the first link and the second link, a drive portion relatively rotating the first link and the second link in a direction so as to deploy the movable base away from the fixed base on the basis of a detected result by a rear-end collision detection means, and at least one relative rotation restricting portion provided for restricting a relative rotation between the first link and the second link about the connecting shaft.

Abstract: When a operation handle is operated so that one locking mechanism can be unlocked, one locking mechanism, the operation handle, the connecting mechanism and the other locking mechanism can be engaged each other and operate together, when the one seat back fixed to the seat belt is more deformed by tension of the seat belt than the other side of the seat back, any engagement among the one locking mechanism, the operation handle, the connecting mechanism and the other locking mechanism is disengaged each other so that the one locking mechanism cannot operate together with the other locking mechanism.

Abstract: A seat sliding device for a vehicle for unlocking or retaining an unlocked state of a movable rail that supports a seat relative to a fixed rail by interlocking with a turning of a seat back in a forward direction or an operation of an operation handle, includes a link mechanism provided at one of a pair of rails which are arranged in parallel with each other by keeping a predetermined distance therebetween and a lock mechanism provided at the other one of the pair of rails. After the seat is moved in the forward direction with the seat back being turned forward, the link mechanism makes the lock mechanism inoperative so that the seat can be moved in a rearward direction regardless of a state of the seat back being positioned in the forward.

Abstract: A seat reclining device includes a spiral spring made of a wire and formed in a spiral shape having a first engaged portion and a second engaged portion, a first engaging member engaging the first engaged portion, and a second engaging member engaging the second engaged portion, wherein one/each of the first engaging member and the second engaging member includes an extending direction supporting member supporting the first engaged portion and/or the second engaged portion, from the opposite end side of the wire in an extending direction thereof, a first supporting member supporting the first engaged portion and/or the second engaged portion from outside of the wire, and a second supporting member supporting the first engaged portion and/or the second engaged portion from inside of the wire in a normal direction thereof.

Abstract: A seat apparatus for a vehicle includes a seat cushion frame, a lower bracket fixed to the seat cushion frame, a seatback frame attached to the lower bracket through a reclining mechanism so as to be pivotally supported relative to the lower bracket, two fastening portions fastening the lower bracket and the seat cushion frame, and an engaging portion engaging the lower bracket and the seat cushion frame.

Abstract: A seat frame of a vehicle seat includes a seat cushion frame on a seat cushion side, a seat back frame on a backrest side, and a reclining device provided between the seat back frame and the seat cushion frame for adjusting an angle of incline of the seat back frame relative to the seat cushion frame. Either one of the seat back frame or the seat cushion frame includes a first member having a first fitting plane portion to the reclining device and a second member connected to the first member by holding a first space therebetween, and a hollow portion connected to the first space provided on an outer periphery of the first fitting plane portion.

Abstract: An ottoman device includes a first rotation link rotatably supported at a front end of a seat in order to support an ottoman main body, which is extended to a front direction of the seat or stored within the seat, in accordance with the rotation of the rotation link in a first direction and a second direction, and a lock device for prohibiting or allowing the rotation of the first rotation link, the lock device being attached to the first rotation link at a rotational center thereof.

Abstract: A vehicle seat reclining apparatus includes a first member attached to one of a seat cushion and a seatback and having an inner gear, a second member attached to the other of the seat cushion and the seatback for rotatably supporting the first member, a locking member having outer teeth facing the inner gear and movable in a radial direction, a guide wall portion provided at the second member, the guide wall portion being configured to guide the locking member in the radial direction by interposing the locking member from a first portion, and a second portion, of the locking member, the first portion and the second portion being defined in a circumferential direction of the locking member, and an outer teeth portion provided at the guide wall portion and facing the inner gear distantly in the radial direction.

Abstract: When a operation handle is operated so that one locking mechanism can be unlocked, one locking mechanism, the operation handle, the connecting mechanism and the other locking mechanism can be engaged each other and operate together, when the one seat back fixed to the seat belt is more deformed by tension of the seat belt than the other side of the seat back, any engagement among the one locking mechanism, the operation handle, the connecting mechanism and the other locking mechanism is disengaged each other so that the one locking mechanism cannot operate together with the other locking mechanism.

Abstract: A seat slide apparatus for a vehicle includes a first rail fixedly mounted on a vehicle, a second rail secured to a seat and mounted to be rotatable relative to the first rail, a sliding member arranged between the first rail and the second rail and slidably movable in response to a relative movement between the first rail and the second rail, and a lock member associated with the second rail and movable with the second rail, the lock member provided to be engageable with engagement bores provided at the first rail and the second rail and being biased in a direction to be engaged with the engagement bores, the lock member being accommodated in a space defined by the first rail and the second rail.

Abstract: A seat device includes a seat movable between a seating state and a non-seating state, a sliding device for adjusting the seat to a position in a seating range where the seat becomes the seating state and in a non-seating range where the seat becomes the non-seating state, the sliding device having an upper rail fixed to the seat and a lower rail fixed to a floor for slidably supporting the upper rail, a contacting member provided on the lower rail over the range corresponding to the non-seating range of the seat, an actuating mechanism actuated by contacting with the contacting member while the seat is positioned in the non-seating range, and an actuated mechanism to be actuated cooperating with the actuating mechanism in order that the seat becomes the non-seating state.

Abstract: A vehicle seat apparatus includes a first link vertically movably supporting a seat to a seat rail of a floor side, a second link connecting a seat belt anchor to the seat side for restraining an occupant into the seat and a third link provided between the first link and the second link for connecting the first link and the second link, the third link being engagable with a lock member which is fixedly connected to the seat side. The third link is normally disengaged from the lock member to allow the seat to move in a vertical direction and is engaged with the lock member in an emergency upon receipt of an active force through the seat belt anchor and the second link to control a vertical movement of the seat.

Abstract: A seat device for a vehicle comprises a reclining mechanism including a fixed member and a movable member and supporting the movable member rotatably relative to the fixed member, an operation lever moved from an initial position thereof to an operating position thereof, a base member, a latch member, a memory member being engageable with the latch member and rotatably supported by the base member so as to be rotated relative to the base member integrally with the latch member when the memory member is engaged with the latch member, an actuating member coupled to the movable member so as to be rotated in conjunction with the rotation of the movable member relative to the fixed member at the outside of the regular angle range, and an engaging member coupled to the actuating member, held at a disengaged position relative to the operation lever when the movable member is within the regular angle range and moved to an engaging position relative to the operation lever when the movable member is outside of the regu

Abstract: In a vehicle-seat retracting apparatus, a seating state is switched to a non-seating state by retracting a headrest and tilting a seat back relative to a seat cushion (lower arm). In association with retraction of the headrest, the tilting angle of the seat back with respect to the seat cushion is unlocked.

Abstract: A vehicle-seat reclining device includes a seat cushion frame, a seat back frame, a first base plate, a second base plate, and an internal gear recessed in one surface of the second base plate. A fitting projection having an outline that is concentric and in phase with that of the internal gear projects from the other surface of the second base plate, and a fitting hole is provided in the seat back frame so as to be fitted on the fitting projection.

Abstract: A seat slide device which includes a lower rail fixed to a vehicle floor, an upper rail fitted into the lower rail to be slidable relative to the lower rail for supporting a seat, a lock device for fixing the upper rail at an arbitrary position of the lower rail, a lock lever provided in the lock device and rotatably supported on the upper rail, a lock bore formed on the lower rail, a pawl provided on the lock lever for being able to be inserted into the lock bore, and an energy absorbing bore provided on the lower rail and arranged in series with the lock bore and separated from the lock bore by a predetermined distance.

Abstract: A seat sliding device for a vehicle for unlocking or retaining an unlocked state of a movable rail that supports a seat relative to a fixed rail by interlocking with a turning of a seat back in a forward direction or an operation of an operation handle, includes a link mechanism provided at one of a pair of rails which are arranged in parallel with each other by keeping a predetermined distance therebetween and a lock mechanism provided at the other one of the pair of rails. After the seat is moved in the forward direction with the seat back being turned forward, the link mechanism makes the lock mechanism inoperative so that the seat can be moved in a rearward direction regardless of a state of the seat back being positioned in the forward.

Abstract: A vehicle seat device includes a right side link mechanism and a left side link mechanism adapted to be provided between a vehicle floor and a seat for supporting the seat to move upward and downward relative to the vehicle floor, a first actuator operatively engaged with the right side link mechanism for operating the right side link mechanism, a second actuator operatively engaged with the left side link mechanism for operating the left side link mechanism, and a controller for controlling the first actuator and the second actuator separately.

Abstract: A seat sliding device comprises a lower rail fixed at a stationary part and extending in a seat longitudinal direction, an upper rail fixed at a seat and slidably guided by the lower rail, a lock mechanism for locking and unlocking a slidable movement of the upper rail to the lower rail in order to adjust a position of the seat relative to the stationary part, the lock mechanism being attached at the upper rail, and a memory mechanism for returning the seat, which has moved to a forefront seat position from an occupant's seated position during a walk-in operation, to the occupant's seated position, the memory mechanism having a memory rail positioned at a distance from at least one of the lower rail and the upper rail and a memory slide configured to be fixed to the memory rail and to be slidably movable relative to the memory rail.