Patent ID: 6809454
Filing Date: 2004-10-26
Classification: H02K

Abstract:
A motor comprising:a yoke housing having a substantially cylindrical shape having a first end and a second end, the first end being closed and the second end being open; an armature rotatably housed in the yoke housing; brushes for supplying electric power to the armature; and a brush holder for holding the brushes such that the brushes slide-contact with the armature, wherein: the brush holder is fixed to the yoke housing to close the second end; and the brush holder includes: a holding portion that holds the brushes inside of the yoke housing; a connector portion located outside of the yoke housing for receiving electric power; and a joining portion joining the holding portion and the connector portion in a longitudinal direction of the brush holder; and the brush holder defines a first opening, which is open toward the inside of the yoke housing, a second opening, which is open to the outside of the yoke housing, and a communication hole communicating from the first opening to the second opening inside the brush holder and; terminals for supplying electric power to the brushes, wherein the terminals are integrally provided in the brush holder by insert molding, and the communication hole is parallel to the terminals in the joining portion.