Patent ID: 8167370

Claim:
A seat cushion adjusting apparatus, comprising: a support member forming a frame of a seat cushion; a seating member supported by the support member and forming an outer shape of the seat cushion; an adjustment member fastened to a front end portion of the seating member in a longitudinal direction of the seating member; and a movement mechanism rotatably connected to the adjustment member and moving the adjustment member relative to the support member in the longitudinal direction of the seat, the movement mechanism comprising: a transmission member extending in a width direction of the seat at a front side of the support member, a lever having a first end rotatably connected to the support member, a first gear plate having a first end rotatably connected to a second end of the lever and a second end rotatably connected to the transmission member so that the first gear plate rotates relative to the transmission member, the first gear plate including a first gear tracing a circular arc trajectory of a rotation about a rotational axis of the first gear plate relative to the transmission member, and a second gear plate rotatably connected to the transmission member and connected to the adjustment member, the second gear plate including a second gear being in mesh engagement with the first gear.