Brush holder apparatus, brush assembly, and method

Details Brush holder apparatus, brush assembly, and method Brush holder apparatus, brush assembly, and method

2006-04-25

2006-04-25

Schuberg, Darren (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S240000, C310S239000, C310S242000, C310S244000, C310S247000, C310S245000, C310S238000

Reexamination Certificate

active

07034430

ABSTRACT:
Devices and methods of use for brush holders are disclosed. A brush holder including an over-center locking device is disclosed. Also illustrated are methods and devices for maintaining brush pressure against a moving conductive surface using a spring without a back plate. Methods and devices for routing current from a brush to an output location without conducting through a brush box are shown. A system for ready removal and replacement of brushes, contacts and springs is disclosed. Also included are mechanisms and methods for preventing a brush from falling downward or out during removal of the brush. Methods and devices for cutting off current flow without creating arcing or shorting between a brush and collector ring or other moving conductive surface are presented as well.

REFERENCES:
patent: 4296346 (1981-10-01), Ooki et al.
patent: 4633552 (1987-01-01), Eriksson
patent: 5939812 (1999-08-01), Wetzel
patent: 6124652 (2000-09-01), Karasa et al.
patent: 6133665 (2000-10-01), Prell et al.
patent: 6246145 (2001-06-01), Morimoto et al.
patent: 6255955 (2001-07-01), Blaettner
patent: 6326716 (2001-12-01), Niimi et al.
patent: 6356004 (2002-03-01), Porter et al.
patent: 0 847 126 (1998-06-01), None
Documents depicting brush holder designs, sent by applicant on Apr. 5, 2002.
Documents depicting various process of electropolishing, sent by applicant on Dec. 17, 2002.

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