Brush assembly structure for motor

Details Brush assembly structure for motor Brush assembly structure for motor

H - Electricity

02

K

H02K 13/10 (2006.01) H01R 39/40 (2006.01) H02K 5/14 (2006.01)

Patent

CA 2116988

Disclosed is a brush assembly structure for a motor arranged as described below. A brush holder 23 is integrally formed to substantially a C-shape so that the extreme ends of the opposite leg portions 23b, 23c of the brush holder 23 confront the opposite side positions of a commutator 10 in the diametrical direction thereof, and brush accommodation units 24, 25 are formed at the extreme ends of the opposite leg portions. Further, brush springs 13, 14 are attached to the cylindrical bottom portion 9b of a holder stay unit and the brush springs elastically depress brushes 26, 27 accommodated in the brush accommodation units at the moment when the brushes 26, 27 reach the positions of the commutator which correspond to the brush accommodation units. With this arrangement, when the brush holder having the brushes assembled thereto is assembled to the holder stay unit, the brushes can be protected and an assembly job can be simplified.

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