Arrangement for electric power supply to a motor

Details Arrangement for electric power supply to a motor Arrangement for electric power supply to a motor

2006-03-21

2006-03-21

Schuberg, Darren (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S244000, C310S242000, C310S247000

Reexamination Certificate

active

07015618

ABSTRACT:
The invention concerns an arrangement for supplying power to an electric motor having a commutator, comprising at least two carbon brushes (12, 14), as well as flat springs (16, 18) that subject said brushes to force in the direction of the commutator and proceed from a mounting and are connected to electric terminals. In order to enable a defined transfer of force from the flat springs to the carbon brushes, while at the same time ensuring that an unambiguous fixing of the flat springs into position and a secure current supply takes place, it is proposed that the flat springs (16, 18) have a U-shape with legs (38, 40) of unequal length, that a carbon brush (12, 14) be fastened to each longer leg, and that the shorter leg be connected electrically conductive to an at least partially encapsulated conductor path or printed circuit, which is at least a section of the mounting.

REFERENCES:
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patent: 5600193 (1997-02-01), Matsushima et al.
patent: 5886448 (1999-03-01), Yoshida
patent: 6300696 (2001-10-01), Wong
patent: 6339272 (2002-01-01), Sato
patent: 9104028 (1991-11-01), None
patent: 4444645 (1995-06-01), None
patent: 69620532 (2002-04-01), None
patent: 10063405 (2002-07-01), None

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