Patent ID: 7717490

Claim:
A seat slide device for a vehicle comprising: a lower rail which is mounted on a vehicle floor; an upper rail which is mounted on a vehicle seat and movable relative to the lower rail; a lock member which locks the relative movement between the lower rail and the upper rail; a memory piece mounted in the lower rail which is engageable with and disengageable from the lower rail; and a first receiving portion provided on the upper rail and moves the memory piece in a relative movement direction of the upper rail by following the movement of the upper rail by contacting with the memory piece and allows the memory piece to move relative to the upper rail by releasing the contact with memory piece; and an engaging portion provided on the upper rail which engages the memory piece with the lower rail by contacting with the memory piece in association with the frontward reclining movement of a seatback of the vehicle seat and allows the memory piece to move relative to the lower rail by releasing the contact with the memory piece in association with the relative movement between the lower rail and the upper rail when the seatback returning from the frontward reclining condition to an original position.