| 摘要 |
PROBLEM TO BE SOLVED: To prevent short circuit due to solder flow in soldering a connection unit for connecting a brush to a power supply to a unit connection section of a brush holder. SOLUTION: A connection unit 52 provided with a pair of brush side connection plates 53a, 53b each connected to a pair of unit connection portions 56a, 56b provided on a brush holder are housed in a housing case 51 disposed on the outer surface of a gear case and incorporated into the brush holder. A partition wall 55 protruding from an end of the brush holder side of the housing case 51 is provided between the pair of brush side connection plates 53a, 53b. With this configuration, even if a solder flows from one brush side connection plate in soldering the brush side connection plates 53a, 53b to the unit connection portions 56a, 56b of the brush holder, the solder flow is blocked by the partition wall 55, and the flowing solder can be prevented from spreading to the other brush side connection portion. COPYRIGHT: (C)2009,JPO&INPIT
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