Abstract: A seat slide apparatus includes a support rail adapted to be attached to one of a seat and a seat attachment surface, a movable rail configured to be slidable relative to the support rail, a roller arranged between the support rail and the movable rail and guiding the movable rail to move relative to the support rail, and a vibration restricting member arranged between the support rail and the movable rail to restrict a vibration between the support rail and the movable rail, the vibration restricting member including a sliding contact point receiving a sliding load in a vertical direction of the movable rail, the sliding contact point being arranged to overlap the roller in a sliding direction of the movable rail.

Abstract: A vehicle seat device is provided with a first lock mechanism which restricts a first movement of the seat, a second lock mechanism which restricts a second movement of the seat, and a drive source which removes the restrictions imposed by the first and second lock mechanisms. The drive source is provided with an output section which can be driven in two directions, that is, in the forward direction and the reverse direction, by the drive source. The drive of the output section in the forward direction from the neutral position thereof removes the restriction imposed by the first lock mechanism, and the drive of the output section in the reverse direction from the neutral position thereof removes the restriction imposed by the second lock mechanism.

Abstract: A seat slide apparatus for a vehicle includes: a lower rail that is fixed on a vehicle floor and extends in a front-rear direction of the vehicle; and an upper rail that is fixed to a seat and is movably supported on the lower rail in the front-rear direction of the vehicle, wherein the lower rail has a lower rail hook part extending in a width direction of the vehicle, wherein the upper rail has: a pair of rolling members arranged in the front-rear direction of the upper rail; and a shoe, which has a sliding contact part that slidingly contacts a lower surface of the lower rail hook part, wherein the lower rail has a curvature part that is convex downwards as viewed from the width direction, and wherein the shoe is arranged at an outer side of the pair of rolling members in the front-rear direction.

Abstract: A seat slide apparatus for a vehicle includes: a lower rail that is fixed on a vehicle floor and extends in a front-rear direction of the vehicle; and an upper rail that is fixed to a seat and is movably supported on the lower rail in the front-rear direction of the vehicle, wherein the lower rail has a lower rail hook part extending in a width direction of the vehicle, wherein the upper rail has: a pair of rolling members arranged in the front-rear direction of the upper rail; and a shoe, which has a sliding contact part that slidingly contacts a lower surface of the lower rail hook part, wherein the lower rail has a curvature part that is convex downwards as viewed from the width direction, and wherein the shoe is arranged at an outer side of the pair of rolling members in the front-rear direction.

Abstract: A seat slide apparatus for a vehicle includes: a lower rail that is fixed on a vehicle floor; and an upper rail that is fixed to a seat and is movably supported on the lower rail in the front-rear direction of the vehicle, wherein the lower rail has a lower rail hook part, wherein the upper rail has an upper rail hook part, wherein the upper rail hook part is to be engaged with the lower rail hook part in the upper and width directions, wherein the lower rail has a curvature part that is downwards convex as viewed from the width direction of the vehicle, and wherein the lower end of the lower rail hook part at the curvature part has a notch part, in which the downward extending amount is reduced compared to the other part of the lower rail hook part.

Abstract: A seat reclining apparatus for a vehicle, includes the pair of lower arms each connected to the lower side frame, the upper arm positioned between the pair of lower arms and fixedly attached to the upper side frame, the pair of recliners joined to the upper arm and to the pair of lower arms, the electric motor, the lower side frame provided as a pair for sandwiching the pair of lower arms and connected to the pair of lower arms in a manner that the pair of lower arms is pivotable relative to the lower side frame, and a lock member for engaging with the pair of lower side frames and with the pair of lower arms for restricting a relative pivoting movement between the pair of lower side frames and the pair of lower arms in a state where a relative pivot angle therebetween is at a predetermined angle.

Abstract: A seat slide apparatus for a vehicle includes first and second lower rails, first and second upper rails, first and second lock levers, first and second biasing members, first and second support brackets fixed to the first and second upper rails and including first and second support portions, an operation handle including first and second power transmission portions pressing the first and second lock levers so as to release the restriction of the movement of the upper rails relative to the lower rails against a biasing force of the biasing members, and a release lever rotatably connected to the first upper rail and rotating in association with a forward folding of a seat back of the seat to release the restriction of the movement of the upper rails relative to the lower rails by directly pressing the first power transmission portion.

Abstract: A vehicle seat device includes a first arm connected to a first frame forming a framework of a seat cushion, a second arm fixed to a second frame forming a framework of the seatback, a recliner sandwiched therebetween, a drive source providing a rotation in opposing directions therebetween, the first arm rotationally connected to the first frame, a locking mechanism equipped on the first arm and the first frame restricting rotation therebetween when the first arm is rotated to a first rotational end with respect to the first frame, and a control unit driving and controlling the drive source to adjust the inclination angle of the seatback relative to the seat cushion to a predetermined angle range when the locking mechanism is disengaged and the first arm is rotated to a second rotational end with respect to the first frame.

Abstract: A seat slide apparatus for a vehicle includes a first rail, a second rail slidably movable relative to the first rail, a lock member restricting a movement of the second rail relative to the first rail, a memory member movably supported within an inner void between the first rail and the second rail and prevented from moving, a first holding member holding the memory member so that the memory member is movable along with the second rail, a second holding member holding the memory member so as to maintain the engagement between the memory member and the first rail, a support bracket fixed to the second rail in the inner void and supporting one end portion of the second holding member, and a rail-side engagement portion arranged at the second rail, engaged with a holding-member-side engagement portion, and preventing the second holding member from being loosened from the second rail.

Abstract: A seat slide apparatus for a vehicle includes a first rail, a second rail, a lock member, a memory member, a first holding member holding the memory member to move integrally with the second rail in a state where a restriction of the relative movement between the first rail and the second rail is released on a basis of an operation handle, and a second holding member holding the memory member so that the engagement of the memory member with the first rail is maintained in a state where the restriction of the relative movement is released in association with a forward folding operation of a seat back. The first holding member integrally includes a body portion and a memory member holding portion so as to sandwich the memory member in a state where the body portion engages with the front end portion of the memory member.

Abstract: A vehicle seat device is provided with a first lock mechanism which restricts a first movement of the seat, a second lock mechanism which restricts a second movement of the seat, and a drive source which removes the restrictions imposed by the first and second lock mechanisms. The drive source is provided with an output section which can be driven in two directions, that is, in the forward direction and the reverse direction, by the drive source. The drive of the output section in the forward direction from the neutral position thereof removes the restriction imposed by the first lock mechanism, and the drive of the output section in the reverse direction from the neutral position thereof removes the restriction imposed by the second lock mechanism.

Abstract: A seat slide apparatus includes a support rail adapted to be attached to one of a seat and a seat attachment surface, a movable rail configured to be slidable relative to the support rail, a roller arranged between the support rail and the movable rail and guiding the movable rail to move relative to the support rail, and a vibration restricting member arranged between the support rail and the movable rail to restrict a vibration between the support rail and the movable rail, the vibration restricting member including a sliding contact point receiving a sliding load in a vertical direction of the movable rail, the sliding contact point being arranged to overlap the roller in a sliding direction of the movable rail.

Abstract: A vehicle seat device includes a first arm connected to a first frame forming a framework of a seat cushion, a second arm fixed to a second frame forming a framework of the seatback, a recliner sandwiched therebetween, a drive source providing a rotation in opposing directions therebetween, the first arm rotationally connected to the first frame, a locking mechanism equipped on the first arm and the first frame restricting rotation therebetween when the first arm is rotated to a first rotational end with respect to the first frame, and a control unit driving and controlling the drive source to adjust the inclination angle of the seatback relative to the seat cushion to a predetermined angle range when the locking mechanism is disengaged and the first arm is rotated to a second rotational end with respect to the first frame.

Abstract: A seat slide apparatus for a vehicle includes a first rail, a second rail slidably movable relative to the first rail, a lock member restricting a movement of the second rail relative to the first rail, a memory member movably supported within an inner void between the first rail and the second rail and prevented from moving, a holding member fixed to the second rail, holding the memory member so that the memory member is movable along with the second rail, and holding the memory member so as to maintain the engagement between the memory member and the first rail, a first stopper member positioned at one side of the memory member, and a second stopper member positioned at the other side of the memory member and preventing the second rail from moving in a condition where the memory member is sandwiched between the first and second stopper members.

Abstract: In a vehicle seat sliding apparatus of the type wherein rotating an operating lever causes a lock lever to allow an upper rail to slide along a lower rail, the operating member is supported by a supporting bracket fixed to the upper rail to rotate about a fulcrum which is in the form of a plate of the bracket. The operating lever is provided with a slit into which a spring is fitted for being urged. The bracket also holds the spring. To avoid an engagement between the plate and the slit when the operating lever passes during an assembly of the apparatus, the plate is configured to incline relative to the slit.

Abstract: A seat reclining apparatus for a vehicle, includes the pair of lower arms each connected to the lower side frame, the upper arm positioned between the pair of lower arms and fixedly attached to the upper side frame, the pair of recliners joined to the upper arm and to the pair of lower arms, the electric motor, the lower side frame provided as a pair for sandwiching the pair of lower arms and connected to the pair of lower arms in a manner that the pair of lower arms is pivotable relative to the lower side frame, and a lock member for engaging with the pair of lower side frames and with the pair of lower arms for restricting a relative pivoting movement between the pair of lower side frames and the pair of lower arms in a state where a relative pivot angle therebetween is at a predetermined angle.

Abstract: A seat slide apparatus for a vehicle includes: a lower rail that is fixed on a vehicle floor; and an upper rail that is fixed to a seat and is movably supported on the lower rail in the front-rear direction of the vehicle, wherein the lower rail has a lower rail hook part, wherein the upper rail has an upper rail hook part, wherein the upper rail hook part is to be engaged with the lower rail hook part in the upper and width directions, wherein the lower rail has a curvature part that is downwards convex as viewed from the width direction of the vehicle, and wherein the lower end of the lower rail hook part at the curvature part has a notch part, in which the downward extending amount is reduced compared to the other part of the lower rail hook part.

Abstract: A seat slide apparatus for a vehicle includes: a lower rail that is fixed on a vehicle floor and extends in a front-rear direction of the vehicle; and an upper rail that is fixed to a seat and is movably supported on the lower rail in the front-rear direction of the vehicle, wherein the lower rail has a lower rail hook part extending in a width direction of the vehicle, wherein the upper rail has: a pair of rolling members arranged in the front-rear direction of the upper rail; and a shoe, which has a sliding contact part that slidingly contacts a lower surface of the lower rail hook part, wherein the lower rail has a curvature part that is convex downwards as viewed from the width direction, and wherein the shoe is arranged at an outer side of the pair of rolling members in the front-rear direction.

Abstract: A seat slide apparatus for a vehicle includes first and second lower rails, first and second upper rails, first and second lock levers, first and second biasing members, first and second support brackets fixed to the first and second upper rails and including first and second support portions, an operation handle including first and second power transmission portions pressing the first and second lock levers so as to release the restriction of the movement of the upper rails relative to the lower rails against a biasing force of the biasing members, and a release lever rotatably connected to the first upper rail and rotating in association with a forward folding of a seat back of the seat to release the restriction of the movement of the upper rails relative to the lower rails by directly pressing the first power transmission portion.

Abstract: A seat slide apparatus for a vehicle includes a cushioning member provided at one of an operational lever and a lock lever. The cushioning member is configured to contact the other of the operational lever and the lock lever for restricting a contact of an end portion of the operational lever with the lock lever at an initial stage of the rotational operation of the operational lever and is configured to allow a contact of the end portion of the operational lever with the lock lever when canceling the restriction of the movement of an upper rail relative to a lower rail by the lock lever in response to the rotational operation of the operational lever.