Motor and brush housing part
AssigneePanasonic Intellectual Property Management Co., Ltd.
InventorsTakahiro Asano, Hirofumi Mizukami, Yasuharu Uchida
Life of this patent
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Abstract
A motor includes a commutator, a brush, a first spring, a second spring, and a holder. The brush is configured to come into contact with the commutator to be electrically connected to the commutator. The first spring is configured to push the brush along the first direction toward the commutator. The second spring pushes the brush along a second direction intersecting the first direction. The holder is disposed such that the brush is located between the holder and the second spring in the second direction. The holder holds the brush between the holder and the second spring.
Claims8
A motor, comprising:
- a commutator;
- a brush configured to come into contact with the commutator to be electrically connected to the commutator;
- a first spring configured to push the brush along a first direction toward the commutator;
- a second spring configured to push the brush along a second direction intersecting the first direction;
- and
- a holder disposed such that the brush is located between the holder and the second spring in the second direction, the holder being configured to hold the brush between the holder and the second spring, wherein:
- the second spring is a leaf spring,
- the second spring has a part which comes into contact with the brush and which has a thickness direction along the second direction,
- the second spring has a catch on which the first spring is to be hooked, and
- the second spring is configured to push the brush along the second direction while the second spring receives resilient force from the first spring.
Dependencies are inferred from the claim text.