| 摘要 |
PROBLEM TO BE SOLVED: To provide a technique for lowering the required strength of a brush card.SOLUTION: The brush card assembly comprises: a bus bar 4 composed of a conductor material; and a brush card 10 for holding the bus bar 4. The bus bar 4 has a protrusion 41 protruding toward the brush card 10, and the brush card 10 has a fitting portion 16 being fitted to the protrusion 41 of the bus bar. The protrusion 41 comprises: a pair of piers 61, 62 extending in the protrusion direction; a bridge girder 63 being coupled with the end on the protrusion direction side of one pier 61 out of the pair of piers 61, 62; and a protrusion 64 extending in a direction parallel with the extension direction of the bridge girder 63, only on the side of the other pier 62 out of the pair of piers 61, 62. The protrusion 64 contacts with the brush card 10. |
