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: A seat device for a vehicle includes a seat body having a base portion adapted to be mounted on the vehicle and a moving portion movable relative to the base portion and an actuator configured to operate at a first operational speed and at a second operational speed faster than the first operational speed. The actuator moves the moving portion relative to the base portion. The seat device for the vehicle further includes a control device for controlling the actuator to operate at the second operational speed upon detection of approach of an obstacle relative to the vehicle.

Abstract: A seat device adapted to be fixed to engagement members on a vehicle floor includes a first engagement member supporting a front portion of the seat device, a second engagement member supporting a rear portion of the seat, a first lock engagable with the first engagement member, a second lock engagable with the second engagement member. The first lock is supported on the seat device and includes a bracket rotatably supported relative to the seat device and being engagable with the first engagement member and a hook member supported on the bracket and being able to maintain an engagement of the bracket with the first engagement member. A contact portion is provided on the hook member for contacting on a portion of the seat device to prevent a release operation of the hook member when the bracket is out of a predetermined position range relative to the seat device.

Abstract: A load detecting seat comprises a pair of supporting members provided at the right and left sides of a seating surface of a seat cushion of the load detecting seat for supporting the seat cushion on a floor, a seat frame serving as a skeletal structure of the load detecting seat, a load detecting means provided between one supporting member and the seat frame for detecting a load applied to the seating surface of the seat cushion of the load detecting seat, a rod bridging the one supporting member and the other supporting member and securely fixed to be unrotatably relative to the one supporting member at a fixing portion of the rod, a connecting member fixed to the rod and rotatably supported by the seat frame for applying a torsion force to the rod due to the load applied to the seat frame, and the load detecting means is provided at a portion of the rod.

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 seat device which includes a seat cushion frame provided in a seat cushion, a seatback frame provided in a seatback, an upper arm connected to the seatback frame, a lower arm rotatably connected to the upper arm and connected to the seat cushion frame, a lock mechanism for locking a rotation of the upper arm relative to the lower arm, a reclining device for adjusting an angle of the seatback frame relative to the seat cushion frame, a locking portion provided either one of the upper arm and the lower arm, a reinforcement member provided either on the seatback frame or the seat cushion frame opposing to said either one of the upper arm or the lower arm provided with the locking portion, and a portion to be locked provided on the reinforcement member. The portion to be locked and the locking portion are connected.

Abstract: A seat device adapted to be fixed to engagement members on a vehicle floor includes a first engagement member supporting a front portion of the seat device, a second engagement member supporting a rear portion of the seat, a first lock engagable with the first engagement member, a second lock engagable with the second engagement member. The first lock is supported on the seat device and includes a bracket rotatably supported relative to the seat device and being engagable with the first engagement member and a hook member supported on the bracket and being able to maintain an engagement of the bracket with the first engagement member. A contact portion is provided on the hook member for contacting on a portion of the seat device to prevent a release operation of the hook member when the bracket is out of a predetermined position range relative to the seat device.

Abstract: To provide a smaller sized seat reclining apparatus, the seat reclining apparatus includes an outer gear portion, a first engaging portion which is formed at a pawl and which is capable of being engaged with a mesh regulation portion, a second engaging portion which is formed at the pawl and which is capable of being engaged with the urging member, and an associating portion which is formed at the pawl and which transmits rotation of the urging member to the pawl to slide when engaged with the urging member. The outer gear portion, the first engaging portion, the second engaging portion, and the associating portion are arranged in such an order along the radially inward direction of the pawl.

Abstract: A structure for supporting a vehicle seat, which includes a seatback. The seat is slidable relative to a floor of the vehicle, and the seatback inclines forward with respect to the seat. The structure holds the seat in a stable state when the seatback is used as a table. The structure includes a seat cushion, which moves between a normal position at which a passenger may sit on the seat and a lifted position at which the seat cushion is moved from the normal position. A locking member selectively permits and prohibits the sliding of the seat. An actuating member controls the locking member and prohibits the sliding of the seat when the seat cushion is located at the lifted position and the seatback is inclined forward with respect to the seat.

Abstract: A seat slide device for a vehicle includes a lower rail, an upper rail and a shoe. The shoe includes a base portion attached to an engaging portion of one of the rails and a slide portion slidable along an engaged portion of the other rail. The slide portion and the base portion are integrally formed with one another. The slide portion contacts the base portion when a load equal to or greater than a predetermined load is applied, and the base portion has a surface possessing a shape which increases the contact area with the slide portion when the load increases.

Abstract: A vehicle seat sliding device includes a lower rail adapted to be fixed to the floor of the vehicle, an upper rail adapted to be fixed to the vehicle seat and mounted on the lower rail for forward and rearward movement, and a releasable lock mechanism disposed between the lower rail and the upper rail for locking the upper rail. The lock mechanism has a lock lever disposed within sections of the upper and lower rails and extending forward and rearward, with the lock lever being movably mounted on the upper rail. A nail portion is formed on the lock lever and is adapted to be selectively fitted into engaging holes formed on the upper and lower rails from inside the upper and lower rails toward outside. An urging mechanism is positioned within the sections of the lower and upper rails for urging the lock lever toward its locking condition, and an operating mechanism operates the lock lever.

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 recliner for a vehicle includes a lower arm adapted to be fixed to a seat cushion, an upper arm adapted to be fixed to a seat back and rotatably supported by the lower arm, a pawl slidably supported by the lower arm, an inner gear portion formed at the upper arm for engagement by the pawl, and a pressure member rotatably supported by the lower arm to urge the pawl into engagement with the inner gear portion. The back surface of the pawl includes a projecting portion for engaging the pressure member, and the pressure member includes a cam surface for engaging the projecting portion. First and second contact portions are formed on opposite sides of the cam surface for being contacted by the back surface of the pawl upon application of an excessive force to the upper arm which causes the pawl to be inclined.

Abstract: A seat apparatus for a vehicle includes a seat portion having a seat cushion, a seat slide mechanism for adjusting the position of the seat portion back and forth, and a lock mechanism adapted to effect locking engagement of the seat portion with a striker fixedly arranged relative to the floor of the vehicle, with the locking engagement being adapted to be released at a predetermined fixed position of the seat portion. A first operational mechanism is provided for operating the lock mechanism and is adapted to be operated from the rear side of the seat portion, and a second operational mechanism is provided for adjusting the position of the seat portion and is adapted to be operated from the front side and the rear side of the seat portion.

Abstract: A seat reclining device has a first arm member adapted to be secured to the seat cushion frame or the seat back frame, a second arm member rotatably supported by the first arm member and adapted to be secured to the other of the seat cushion frame and the seat back frame, and a plurality of pawls for locking an adjusted angle of the seat back. The pawls are disposed on the first arm member and include at least a first pawl and a second pawl. Only one of the first and second pawls is provided with an engaging portion. The second arm member is provided with a receiving portion for preventing the engagement of the outer gear with the inner gear when the engaging portion contacts the receiving portion during relative rotational movement of the first and second arm members.

Abstract: A seat device which includes a seat cushion frame provided in a seat cushion, a seatback frame provided in a seatback, an upper arm connected to the seatback frame, a lower arm rotatably connected to the upper arm and connected to the seat cushion frame, a lock mechanism for locking a rotation of the upper arm relative to the lower arm, a reclining device for adjusting an angle of the seatback frame relative to the seat cushion frame, a locking portion provided either one of the upper arm and the lower arm, a reinforcement member provided either on the seatback frame or the seat cushion frame opposing to said either one of the upper arm or the lower arm provided with the locking portion, and a portion to be locked provided on the reinforcement member. The portion to be locked and the locking portion are connected.

Abstract: A seat reclining device has an external gear member and an internal gear member positioned in opposing relation, and a stopper member between the opposing gear members for regulating the reclining movement of the backrest relative to the seat cushion. The stopper member includes a first convex portion on the external gear (or internal gear) member and a stopper provided on the outer peripheral surface of the internal gear (or external gear) member. A second convex portion is also provided on the external gear (or internal gear) member. By engaging the second convex portion with a bore on a ring member that surrounds the periphery of the internal and external gear members, a part of the contact force between the stopper and the first convex portion is transmitted to the ring member.

Abstract: A seat slide device for a vehicle includes a lower rail, an upper rail and a shoe. The shoe includes a base portion attached to an engaging portion of one of the rails and a slide portion slidable along an engaged portion of the other rail. The slide portion and the base portion are integrally formed with one another. The slide portion contacts the base portion when a load equal to or greater than a predetermined load is applied, and the base portion has a surface possessing a shape which increases the contact area with the slide portion when the load increases.

Abstract: A reclining angle adjustment mechanism which is capable of adjusting a reclining angle of a seat-back relative to a seat-cushion in a seat includes a pair of seat reclining devices provided at either side of the seat which are connected by way of a connecting shaft. The connecting shaft is operatively connected to an operating mechanism to which an operation force is applied to permit the seat back to be adjusted relative to the seat cushion.

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.