Patent ID: 6629578
Filing Date: 2003-10-07
Classification: B62D,F16C,F16H,Y10T

Abstract:
An electric power steering system comprising:a support shaft integrally rotatably connected with an output shaft of an electric motor; a first bevel gear provided at a distal end of the support shaft; a support-shaft housing accommodating the support shaft and the first bevel gear; a rack shaft linearly moved thereby steering steerable road wheels; a rack housing for supporting the rack shaft as allowing for the linear movement thereof; a second bevel gear meshed with the first bevel gear with their axes intersecting each other; a rotary element rotatably supported by the rack housing as enclosing the rack shaft and operating to transmit the rotation of the electric motor via the first bevel gear and the second bevel gear; a power conversion mechanism formed between the rotary element and the rack shaft for converting the rotary motion of the rotary element to the linear motion of the rack shaft; a retaining member mounted to the support-shaft housing as allowed to move axially of the support shaft for rotatably retaining the support shaft via a bearing; and a retaining member adjuster for adjustment of the position of the retaining member relative to the support-shaft housing with respect to an axial direction of the support shaft.