Electric motor

Details Electric motor Electric motor

1995-06-01

1997-11-11

Budd, Mark O.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 67R, H02K 708

Patent

active

056867719

ABSTRACT:
In an electric motor, its motor frame has a shaft hole, a shaft is fitted in the shaft hole in such a manner that its one end potion is in the shaft hole while the other end portion is extended outside the motor frame. The motor frame includes a bearing-receiving portion extended therefrom in such a manner that the bearing-receiving portion confronts with the inner race of a rolling bearing fitted on the end portion of the shaft, and has a wall surface which merges with the wall surface of the shaft hole. The shaft has a groove which is covered by a part of the inner cylindrical surface of the inner race of the ball bearing and by the wall surface of the protruded portion. The inner raced is fixedly secured to the shaft with adhesive.

REFERENCES:
patent: 5047677 (1991-09-01), Mineta et al.
patent: 5059844 (1991-10-01), Anstine
patent: 5483113 (1996-01-01), Sakuragi
patent: 5552650 (1996-09-01), Cap et al.

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