Patent ID: 9399412
Filing Date: 2016-07-26
CPC Classification: B60N

Claim Text:
1. A vehicle seat slide device, comprising: a fixed rail formed in a substantially U-shape in cross section with left and right opening edges bent inward in opposite directions and with a top wall substantially parallel with a bottom wall; a moveable rail arranged inside the opening edges of the fixed rail and capable of moving along the fixed rail; a main roller provided on each of opposite end portions of the moveable rail in a longitudinal direction of the moveable rail and capable of rolling on the bottom wall of the fixed rail upon movement of the moveable rail; a bracket vertically turnably supported on the moveable rail via a pin; a biasing unit attached to the moveable rail and constantly applying a rotational biasing force to the bracket about the pin by pushing one end portion of the bracket; a sub roller arranged on another end portion of the bracket on an opposite side of the pin from the one end portion and capable of rolling with the sub roller constantly in pressure contact with the top wall of the fixed rail in response to the rotational biasing force applied by the biasing unit; and a lever provided on the one end portion of the bracket, wherein the biasing unit is a plate spring which pushes the lever.