Patent ID: 7500719

Claim:
A seat apparatus comprising: a seat cushion; a seat back attached to the seat cushion and inclinable with respect to said seat cushion; and a reclining unit operable to adjust an inclination angle of the seat back with respect to the seat cushion; wherein said seat back is inclinable to an arbitrary position when a lock of said reclining unit is released with an unlocking device; wherein a rotation unit capable of rotating said inclined seat back is attached to said reclining unit, and said rotation unit is operable from a position away from the seat back in an interior of a vehicle; wherein said reclining unit has a seat back side bracket attached to said seat back, and the seat back side bracket includes a projection; wherein said rotation unit includes a motor and a rotating member, wherein the rotating member is driven to rotate by the motor and includes a notch engageable with said projection; wherein when said rotating member is driven to rotate by said motor, said notch is engaged with said projection, and when said seat back side bracket is rotated, said seat back is rotated; wherein said reclining unit is fixed to a seat cushion side bracket, wherein the seat cushion side bracket is fixed to an upper rail in a seat rail assembly, and wherein the upper rail is engaged slidably with respect to a lower rail adapted to be fixed to a floor face of the vehicle; wherein said reclining unit includes a rotary drum that rotates simultaneously together with the rotating member of the rotation unit; wherein the rotary drum is connected to one end of a wire cable and another end of the wire cable is connected to an end portion of said lower rail; and wherein the rotary drum rotates simultaneously together with said rotating member to wind the wire cable, and thereby the reclining unit on said upper rail slides on the lower rail.