| 摘要 |
PURPOSE:To facilitate confirmation of positive holding of a circuit breaker on a motor housing by providing a recess disposed at a part close to the motor housing, a holding member, a resilient board section, and an engaging part on the side of brush holder. CONSTITUTION:A bimetallic circuit breaker body 2 is secured to a motor housing. A holding member 3 is coupled integrally with the bimetallic circuit breaker body 2 and comprises a lower pawl 3a, an upper pawl 3b, side pawls 3c, 3d and a resilient board section 3e. The upper pawl 3b is a thin hooked pawl. Side pawls 3c, 3d are disposed at positions of different heights in order to improve assemblage. The resilient board section 3e is made of a resilient material and separates from the holding member 3 as it extends in the opposite direction from the end thereof in the inserting direction. According to the constitution, the circuit breaker can be secured firmly at a predetermined position. |
