Patent ID: 6921994
Filing Date: 2005-07-26
Classification: H02K

Abstract:
1. A motor comprising: a motor main body, which includes a yoke housing, wherein the yoke housing rotatably receives an armature, which includes a rotatable shaft and a commutator; a brush holder, which is placed in an opening of the yoke housing, wherein the brush holder holds a plurality of brushes in sliding contact with the commutator and includes a bearing, which rotatably supports the rotatable shaft; a speed reducing unit, which includes a gear housing connected to the yoke housing in such a manner that the brush holder is arranged between an opening of the gear housing and the opening of the yoke housing, wherein the gear housing rotatably receives a worm shaft, which is substantially coaxial with the rotatable shaft; a coupling means for coupling the rotatable shaft with the worm shaft, wherein the coupling means includes: a positioning means for positioning the brush holder the gear housing relative to each other, wherein the positioning means is placed between the brush holder and the gear housing.