Patent ID: 7537080
Filing Date: 2009-05-26
Classification: B62D,F16H

Abstract:
1. An electric power steering apparatus, comprising: an electric motor for generating a steering assist force; a reduction gear mechanism for reducing a rotation speed of an output shaft of the electric motor; a conversion mechanism for converting an output rotation of the reduction gear mechanism into an axial movement of a steerable shaft extending in a transverse direction of a vehicle, the reduction mechanism comprising: a housing for containing the inscribed gear, the circumscribed gear and the driving pulley, and a driving pulley support means held by the housing for supporting the driving pulley in a cantilever manner and rotatably about a central axis line of the driving pulley, wherein a support shaft is formed as extending from the second end portion of the driving pulley along the central axis line of the driving pulley, and the driving pulley support means comprises a bearing for rotatably supporting the driving pulley through the support shaft.