Patent ID: 7665703

Claim:
A seat device for a vehicle comprising: a lower rail fixed on the vehicle floor so as to extend in a longitudinal direction of the vehicle; an upper rail mounted to the lower rail so as to be slidable; a lock lever rotatably supported by the upper rail; a lock claw formed on the lock lever; lock holes defined in the lower rail in a longitudinal direction thereof; a first lock mechanism by which the lock claw is engaged with at least one of the lock holes in order to lock the upper rail at a first position to the lower rail; a stopper unit rotatably supported by the upper rail; a bracket fixed on the lower rail; an engaging lever rotatably fixed to the upper rail for maintaining the stopper unit in an engaged state; a second lock mechanism for limiting the upper rail so as not to move further than a predetermined position by rotating the engaging lever in order to maintain the stopper unit in the engaged state, in which the stopper unit is engaged with the bracket, wherein the bracket is positioned where the upper rail is limited so as not to move further than the predetermined position while the lock claw contacts a side surface of the lower rail; and an operating portion to which a first connecting member and a second connecting member are connected, the first connecting member transmitting an operation force for unlocking the lock lever, and the second connecting member transmitting a force for rotating the engaging lever.