Brush assembly

Details Brush assembly Brush assembly

2007-03-13

2007-03-13

Arbes, Carl J. (Department: 3729)

Metal working

Method of mechanical manufacture

Electrical device making

C029S825000, C029S854000

Reexamination Certificate

active

10921177

ABSTRACT:
A brush assembly (10) for a miniature electric motor has a beryllium copper strip brush arm (14) and a graphite material brush head (12) moulded to an end thereof. The brush arm (14) has a number of apertures. The brush head (12) has a number of projections which pass through the apertures and form one or more caps (24) on the reverse side of the brush arm to secure the brush head (12) to the brush arm (14). A method of forming the brush assembly is also provided.

REFERENCES:
patent: 2043474 (1936-06-01), Eynon
patent: 2780743 (1957-02-01), Elsey
patent: 2849631 (1958-08-01), Matz
patent: 4085346 (1978-04-01), Yoshida
patent: 4302379 (1981-11-01), Ueda et al.
patent: 5744891 (1998-04-01), Okuyama et al.
patent: 6898839 (2005-05-01), Katoh et al.
patent: 1563207 (1980-03-01), None
patent: 2082399 (1982-03-01), None
patent: 2187044 (1987-08-01), None
patent: 2241944 (1991-09-01), None
patent: 1-295642 (1989-11-01), None

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