Miniature D.C. motor with improved terminal plate and brushes

Details Miniature D.C. motor with improved terminal plate and brushes Miniature D.C. motor with improved terminal plate and brushes

1985-04-19

1986-10-14

Salce, Patrick R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 40MM, 310246, H02K 1300

Patent

active

046174869

ABSTRACT:
A miniature D.C. motor for a toy allows the arrangement of a brush base in a housing of the motor to be readily and positively positioned to improve the manufacturing efficiency of the motor and to ensure the actuation of the motor without trouble for a long period of time.
The motor includes a housing, a brush base which holds brushes therein and which detachably fits in the housing, and a detachable connection member for permitting a connection between the housing and the brush base. A motor further includes a commutator having an outer end formed into a truncated conical shape, wherein the brushes each are provided with a contact section having a convexly curved surface, to allow the outer end of the commutator to be pressedly interposed between the convexly curved surfaces of the brushes.

REFERENCES:
patent: 2283808 (1942-05-01), Humphrey
patent: 3234417 (1966-02-01), Somers et al.
patent: 3433989 (1969-03-01), Leavitt
patent: 3532914 (1970-10-01), Chang et al.
patent: 4500804 (1985-02-01), Akiyama

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