| 摘要 |
PROBLEM TO BE SOLVED: To prevent a feeding brush from being wrongly assembled, and to suppress brushing sound. SOLUTION: A brush device 10 is provided with a feeding brush 20, a spring 30 that activates the feeding brush 20, a brush box 40 that accommodates the feeding brush 20 and the spring 30, and a board of a disc shape that holds the brush box 40. A recessed part 24a that extends to the entire radial direction is formed on one side surface 24 of the feeding brush. On one sidewall 44 part of the brush box 40, a fitting protruding part 44a is formed that fits to the recessed part 24a and extends to the entire radial direction.
|
