Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1986-07-30
1987-11-10
Salce, Patrick R.
Electrical generator or motor structure
Dynamoelectric
Rotary
29597, 310 42, H01R 4308, H02K 1500
Patent
active
047059770
ABSTRACT:
A commutator for use with a DC motor or a DC generator. The parent metal of the segments of the commutator is formed with bulging portions which have their outer surfaces generally coextending with the outer surfaces of protecting portions for contacting brushes. This commutator is manufactured by forming a cylinder of a plate of a conductive material, by forming a plurality of pawls on the circumference of the cylinder, by molding a boss of a synthetic resin in the cylinder, by forming a plurality of notches in one end of the cylinder, and by cutting the trunk of the cylinder with a plurality of slits to form a plurality of separate segments.
REFERENCES:
patent: 3566460 (1971-03-01), Yamaguchi
patent: 3785025 (1974-01-01), Wolf
patent: 4082318 (1978-04-01), Mueller, Jr.
patent: 4399383 (1983-08-01), Kamayama
Iizima Masaki
Mada Yoshikazu
Shibata Takashi
Yamada Nobuo
Mitsuba Electric Manufacturing Co. Ltd.
Rebsch D. L.
Salce Patrick R.
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