Motor unit with rotation detecting mechanism

Details Motor unit with rotation detecting mechanism Motor unit with rotation detecting mechanism

1998-01-08

2000-01-11

LaBalle, Clayton

Electrical generator or motor structure

Dynamoelectric

Rotary

310 51, H02K 1100

Patent

active

060139609

ABSTRACT:
A motor unit capable of preventing a sensor magnet made to rotate in synchronization with its output shaft from being supported in an inclined condition with respect to a case cover. The sensor magnet and the output shaft are coupled to each other through a first holder fitted to the output shaft so as to rotate integrally with the output shaft, a second holder fitted to the sensor magnet so as to rotate integrally with the sensor magnet and rotatably supported by the case cover, and an elastic member placed between the first holder and the second holder and including axially extending engaging leg portions and radially recessed engaging catch portions respectively engaging with the first holder and the second holder without looseness in the circumferential direction.

REFERENCES:
patent: 2828616 (1958-04-01), Zeigler et al.
patent: 4617484 (1986-10-01), Buijsen
patent: 5306123 (1994-04-01), Day et al.
patent: 5704111 (1998-01-01), Johnson et al.

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