Fixing structure for a commutator, insulator for a motor core, a

Details Fixing structure for a commutator, insulator for a motor core, a Fixing structure for a commutator, insulator for a motor core, a

1995-09-08

1998-01-20

Laballe, Clayton E.

Electrical generator or motor structure

Dynamoelectric

Rotary

310235, H02K 1300

Patent

active

057104735

ABSTRACT:
A motor has an armature that includes a motor core and a commutator. An insulator for insulating the motor core is composed of winding insulating portions and a shaft insulating portion integral with the winding insulating portions. A connecting portion is formed at the end of the shaft insulating portion. The connecting portion is inserted into an insertion groove of the commutator for integral connection. Specifically, the insulator is fixed to the armature shaft by the application of windings, and the commutator is connected and fixed to the insulator. Accordingly, a larger fixing force can be obtained compared to conventional structures, and the use of an adhesive and highly accurate machining become unnecessary, thereby decreasing costs.

REFERENCES:
patent: 2831991 (1958-04-01), Perkins
patent: 3831268 (1974-08-01), Boyd et al.
patent: 3917967 (1975-11-01), Robison
patent: 5113105 (1992-05-01), Ikegami et al.
patent: 5144182 (1992-09-01), Lemmer et al.
patent: 5459365 (1995-10-01), Yuhi

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