Brush holder assembly

Details Brush holder assembly Brush holder assembly

1995-04-24

1996-07-23

Stephan, Steven L.

Electrical generator or motor structure

Dynamoelectric

Rotary

310242, 310241, H01R 3938

Patent

active

055392644

ABSTRACT:
A brush device having a brush holding frame 320 made of an insulating material provided with a plurality of brush accommodating portions 320a, b which are open at their ends in the axial direction and at their inner peripheries in the radial direction, and a pair of protruded portions 320c at opposite outer ends in the radial direction. Brushes 305a, b are accommodated in the brush accommodating portions along with brush springs 308, press-contacting a commutator of a direct current machine. An insulation plate 321 touches an end face of the brush holding frame in the axial direction, covering the axial openings of the brush accommodating portion, and a pair of attaching pieces 309a, b are mounted on and pinch both end faces of the pair of protruded portions, thereby fixing the insulation plate to the end face of the brush holding frame.

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