Patent ID: 7810780
Filing Date: 2010-10-12
Classification: B60N,F16H,Y10T

Abstract:
1. A drive mechanism for a power seat apparatus for a vehicle, comprising: an electric motor for driving a driven member; a speed-reduction gear mechanism provided between the electric motor and the driven member for reducing rotation speed of the electric motor and transmitting the reduced rotation speed to the driven member; a gear housing supported by the driven member and housing therein the speed-reduction gear mechanism, the gear housing supporting thereto the electric motor, and the gear housing including a housing body having an accommodating space accommodating therein the speed-reduction gear mechanism, a cover mounted to the housing body for covering the accommodating space, and a retaining member provided on the housing body for fixedly retaining the cover on the housing body by rotating the cover relative to the housing body upon assembly; and a bracket through which the gear housing is supported by the driven member, the bracket including a receiving portion for fixedly receiving the gear housing thereto and a rotation-restricting surface for restricting rotation of the cover relative to the housing body under a condition of the gear housing being fixed to the bracket.