Electrical generator or motor structure – Dynamoelectric – Rotary
Reexamination Certificate
2005-03-15
2005-03-15
Mullins, Burton (Department: 2834)
Electrical generator or motor structure
Dynamoelectric
Rotary
Reexamination Certificate
active
06867529
ABSTRACT:
The present invention provides an automotive alternator enabling a brush replacement operation to be improved by making a cap covering an opening portion for brush replacement formed in a case insertable to simplify removal and replacement of the cap.A brush holder through which a brush insertion aperture is disposed and into a head portion of which a cover is fitted is disposed inside a case such that an aperture direction of the brush insertion aperture is perpendicular to an axial direction of a shaft, and a brush is disposed so as to be held inside the brush insertion aperture and slide in contact with a slip ring fixed to the shaft. An opening portion for brush replacement is formed in a portion of the case facing the cover, and a cap is insertably mounted to this opening portion.
REFERENCES:
patent: 3673447 (1972-06-01), Zumbach et al.
patent: 5227688 (1993-07-01), Gotoh
patent: 5245241 (1993-09-01), Gotoh
patent: 51-66409 (1976-06-01), None
patent: 51-87205 (1976-07-01), None
Hayashi Hideyuki
Inoue Hirokazu
Takahashi Tomoki
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