Vehicle seat assembly

摘要

A vehicle seat assembly comprises a coupling member 12 coupling a front end of a seat-cushion frame 2 to an upper rail 11, a rear link, member 23 provided in a rear end of the seat-cushion frame 2, and a support member 24 provided on the side of a vehicle body to support the rear link member 23. The rear link member 23 includes a pivoted portion 26 pivotally supported by the upper rail 11, a coupled portion 28 coupled to the rear end of the seat-cushion frame 2, and an engaged portion engaged with the support member 24. The support member 24 includes a sliding drive portion (sliding groove 33) which slidably supports the engaged portion of the rear link member 23 to allow the rear link member 23 to be swingingly displaced in conjunction with a longitudinal movement of the seat-cushion frame 2, so as to move the coupled portion 28 in an upward/downward direction to drivingly lift and lower the rear end of the seat-cushion frame 2. The vehicle seat assembly of the present invention can effectively a height position of a seat cushion in conjunction with an operation of adjusting a longitudinal position of an occupant seat in conformity to occupant's physique or the like.