Vibrator

Details Vibrator Vibrator

1978-06-05

1979-10-30

Duggan, Donovan F.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 75D, H02K 700

Patent

active

041729862

ABSTRACT:
There is disclosed a vibrator equipped with a hollow motive shaft penetrating through a rotor of an electric motor to project front and rear of the motor and a vibrating shaft arranged in the hollow portion of the motive shaft in concentric and rotatable relations to rotate in the same direction as the motive shaft at a higher speed than the same through a rotation transmission mechanism interposed between said two shafts.

REFERENCES:
patent: 2940326 (1960-06-01), Meyer
patent: 2945970 (1960-07-01), Nordegren
patent: 4084445 (1970-04-01), Erwin

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