Vibratory motor

Details Vibratory motor Vibratory motor

1989-10-31

1991-09-17

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

H01L 4108

Patent

active

050497740

ABSTRACT:
A vibratory motor includes a rotor member having a portion of increased stiffness. A spring member presses the portion of increased stiffness of the rotor member in order to maintain a stable contact between the rotor member and the stator member. The stiffness portion distributes the pressure from the spring member uniformly along a circumference of the rotor member.

REFERENCES:
patent: 4678956 (1987-07-01), Izukawa et al.
patent: 4692650 (1987-09-01), Okumura et al.
patent: 4786836 (1988-11-01), Tokushima
patent: 4831305 (1989-05-01), Mukohjima et al.

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