Patent ID: 8016355
Filing Date: 2011-09-13
Classification: B60N

Abstract:
1. A seat cushion adjusting apparatus comprising: a supporting member forming a frame of a seat cushion; a seat member supported by the supporting member and forming an outer shape of the seat cushion; an adjusting member engaging with an end portion of the seat member provided at a front side thereof in a front-rear direction of a seat; a moving mechanism rotatably connected to the adjusting member and moving the adjusting member in the front-rear direction of the seat relative to the supporting member; and an adjusting lever, one end thereof rotatably connected to the supporting member and the other end thereof rotatably connected to the adjusting member wherein the adjusting lever moves the end portion of the seat member by rotating the adjusting member around an axis, extending in a width direction of the seat, to adjust the outer shape of the seat cushion in accordance with a movement of the adjusting member in the front-rear direction of the seat relative to the supporting member by means of the moving mechanism, wherein the seat member includes a seat portion, the end portion, and a deformed portion integrally provided between the seat portion and the end portion and deformed in accordance with a rotation of the adjusting member and thereby moving the end portion for an adjustment of the outer shape of the seat cushion, and wherein the adjusting member engages with the end portion so that a length of a front surface of the deformed portion or of an intermediate surface between an end close to the seat portion and an end close to the end portion is unchanged regardless of a rotational state of the adjusting member, the intermediate surface provided between the front surface of the deformed portion and a back surface thereof.