Brush holder assembly having dynamic loading

Details Brush holder assembly having dynamic loading Brush holder assembly having dynamic loading

1998-10-15

1999-11-02

Ramirez, Nestor

Electrical generator or motor structure

Dynamoelectric

Rotary

310242, 310247, 310248, 310227, H01R 3938, H01R 3940, H01R 3918, H02K 928

Patent

active

059776820

ABSTRACT:
An improved method for the manufacture of a compact brush guide holder assembly which is commonly found on machines in which electricity is to be transferred between an electrically conductive brush element as it moves and makes contact with a rotatable conductor such as a commutator. The brush holder assembly constructed of material that reduces antifrictional forces having a guiding channel or chamber defined by upper and lower curvilinear surface for supporting the electrically conductive brush element which receives compressed tension from a fixed non-removable constant force spring which is composed of a beam uncoiled section in addition to a coiled section having integrally fixed mounted Teflon bushings that are free to ride and float horizontally and vertically on mounting post that pass through its center. Upon compression, the contour structural integrity and memory characteristics of the constant force spring are maintained as it self adjusts to the dynamic loads and tension requirements of a rush as it biases a commutator.

REFERENCES:
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patent: 4785214 (1988-11-01), Mummert
patent: 5156225 (1992-10-01), Murrin

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