Commutator and armature

Details Commutator and armature Commutator and armature

2006-07-19

2008-08-19

Mullins, Burton (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S233000, C310S204000

Reexamination Certificate

active

07414345

ABSTRACT:
A commutator including a commutator main body having a plurality of commutator pieces and a short-circuit member having a short-circuit conductor for short-circuiting commutator pieces. The short-circuit conductor includes superimposed first and second short-circuit member formation groups. The first short-circuit member formation group is thinner than the second short-circuit member formation group. The first and second short-circuit member formation groups are fixed to each other by crimping projections, which are formed on the second short-circuit member formation group through punching, in a state inserted through holes, which are formed in the second short-circuit member formation group.

REFERENCES:
patent: 4854438 (1989-08-01), Weissenberger et al.
patent: 6181046 (2001-01-01), Daikoku et al.
patent: 6236137 (2001-05-01), Tanaka et al.
patent: 6246141 (2001-06-01), Bailey
patent: 6727627 (2004-04-01), Sasaki et al.
patent: 2004/0095036 (2004-05-01), Yamamoto et al.
patent: 2005/0189841 (2005-09-01), Potocnik
patent: 2000-134873 (2000-05-01), None
patent: 2005137193 (2005-05-01), None

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