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US 2001/0017495 A1Published application
Motor having shaft-grounding arrangement
AssigneeAsmo Co., Ltd.
InventorsToshihiro Sato, Shuuichi Gonda
Life of this patent
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Abstract
A DC motor has a conductive case and an arrangement for electrically connecting the shaft and case of the DC motor that is grounded. The arrangement includes a conductive member and a pressing member that presses the conductive member against the shaft, thereby grounding the shaft.
Claims18
A motor comprising:
- a rotor;
- an armature coil;
- a conductive case for accommodating said rotor;
- a member for grounding said case;
- a shaft having a portion extending outward from said case;
- a bearing fixed to said case for rotatably supporting said shaft;
- means, including a conductive member in contact with said shaft and said case, for pressing said conducting member between said shaft and said case.
4 more elements
Dependencies are inferred from the claim text.