Patent ID: 7195303

Claim:
A seat sliding device for a vehicle comprising, a lower rail fixed to a vehicle floor; an upper rail slidable relative to the lower rail; a memory retaining runner including a memory lock that receives a biasing force of a biasing means and being slidable relative to a memory rail in a vehicle longitudinal direction, the memory retaining runner being biased in a vehicle forward direction by a spring engaging with the memory rail and the memory runner, the memory rail including a plurality of bores used for memorizing a seat position and fixed to the lower rail; an operation handle for engaging or disengaging the upper rail relative to the lower rail so that the upper rail and the lower rail become a locked state or an unlocked state; a frame fixed to the upper rail; a first link rotatably connected to the frame and being able to make contact with the memory retaining runner; a second link and a third link connected to the frame by means of a fourth pin and being rotated in a predetermined direction due to a turning of a seat back in a forward direction; the third link including a first pin and an elongated bore within which the fourth pin is positioned; a fourth link rotatably connected to the frame by means of a rod and including an operating portion at one end which makes in contact with the operation handle and a portion at the other end which makes in contact with the first pin; the rod being rotatably connected to a sixth link which is able to make contact with the memory lock; a fifth link rotatably connected to the frame and including a portion which makes contact with a second pin fixed to the fourth link; and a seventh link rotatably connected to the frame and including an elongated bore at one end which receives a third pin of the second link and the other end which is rotatably connected to the fifth link.