Brush holding assembly for miniature electric motor

Claim 1

A brush holding assembly for a miniature electric motor, comprising: an end cover constructed of a non-conductive material and adapted to be fitted to an open end of a casing for a motor; said cover having on the inside thereof wall means defining a pair of diametrically opposed recessed channels, said wall means having spaced and opposed sidewalls which converge relative to one another in a direction toward the center of the end cover whereby each recessed channel taperS in a direction toward the center of said end cover; said end cover also having pairs of bores formed therein with at least one pair of bores being associated with each of said recessed channels, one of said bores of each pair communicating with its associated channel adjacent one sidewall thereof, and the other bore of each pair communicating with its associated channel adjacent the other sidewall thereof; a conductive brush member associated with one of said recessed channels and having a base portion disposed within one of the bores associated with said one recessed channel; said brush member also having a contact portion extending inwardly relative to said cover and adapted for sliding contact with a commutator of said motor; and a fixing member constructed of a nonconductive material and disposed within each of said recessed channels, said fixing member having a tapered configuration corresponding to the tapered configuration of its associated recessed channel, whereby the fixing member associated with said one recessed channel fixedly secures said brush member to said end cover.