Patent ID: 7604214

Claim:
A seat slide apparatus for a vehicle, comprising: a lower rail adapted to be fixedly mounted on a vehicle floor; an upper rail adapted to be coupled to a seat and supported on the lower rail so as to be movable in front and rear directions of the lower rail; a lock mechanism including a lock portion provided at the lower rail, a lock member pivotably supported to the upper rail so as to be engageable with and disengageable from the lock portion and a first biasing member for biasing the lock member in a direction to be engaged with the lock portion; a releasing lever for releasing the lock member from being engaged with the lock portion by pivoting the lock member; a second biasing member integrally provided with the first biasing member, the second biasing member maintaining the releasing lever at a neutral position, the first biasing member and the second biasing member comprise a spring mounted at the upper rail, and an end of the spring is operably connected to the lock member while the other end of the spring is operably connected to the releasing lever.