Dynamoelectric brush holder

Details Dynamoelectric brush holder Dynamoelectric brush holder

1993-09-20

1996-02-27

Stephan, Steven L.

Electrical generator or motor structure

Dynamoelectric

Rotary

310235, 310242, H02K 1300, H02K 1514

Patent

active

054951348

ABSTRACT:
A brush holder body for a dynamoelectric machine comprising a molded body, integrated cantilever fingers molded into the body, the cantilever fingers extending radially inward from distal portions of the body, the cantilever fingers having a normal position into which they are molded extending at an angle to a plane of a commutator clearance opening the angle having a direction extending away from a motor armature position, wherein the cantilever finger is flexible and upon receipt of a force, flex in the direction of the armature, wherein the brush holder also comprises a snap feature for retaining the cantilever finger in a second position in which the cantilever finger prevents movement of a brush into the commutator clearance opening, wherein in the normal position, the cantilever finger allows movement of the brush into the commutator clearance opening and the cantilever finger does not contact a commutator of the dynamoelectric machine.

REFERENCES:
patent: 4293789 (1981-10-01), King
patent: 4423549 (1984-01-01), King
patent: 4596941 (1986-06-01), Kluck
patent: 4663552 (1987-05-01), Ohmstedt
patent: 4694214 (1987-09-01), Stewart, Sr.
patent: 4774754 (1988-10-01), Stewart, Sr.
patent: 4916347 (1990-04-01), Pillerel
patent: 5004943 (1991-04-01), Gagneux
patent: 5006747 (1991-04-01), Stewart, Sr.
patent: 5047679 (1991-09-01), Baader et al.
patent: 5113104 (1992-05-01), Blaettner et al.
patent: 5172465 (1992-12-01), Stewart, Sr.
International Search Report for Appln PCT/US94/10069 filed Sep. 9, 1994.

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