Brush holding device

Details Brush holding device Brush holding device

1998-11-23

2000-05-23

Ramirez, Nestor

Electrical generator or motor structure

Dynamoelectric

Rotary

310233, 310245, H02K 1300

Patent

active

060669071

ABSTRACT:
In a starter having a motor yoke, a housing and an end frame forming a cylindrical starter frame, a cylindrical thermal insulation cover is fitted around the starter frame through rubber-made elastic rings. The rings are tightly fitted in V-shaped grooves formed circumferentially on fitting faces, one being between the housing and the yoke and the other being between the yoke and the end frame. Each ring is pressed radially inward by a large diameter part of the thermal insulation cover to fill in the V-shaped groove and contact the fitting face. Further, in a motor for the starter, a resilient plate sheet is disposed between a commutator and a brush holder to return a brush passing therethrough to the original position when the brush tends to move during sliding contact with the commutator.

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