Vibration driven motor

Details Vibration driven motor Vibration driven motor

1992-12-18

1993-12-28

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310325, H01L 4108

Patent

active

052742954

ABSTRACT:
The contact portion of a movable member is endowed with a spring property to thereby effect uniform contact over the entire circumference of the movable member, thereby realizing an ultrasonic motor which is good in efficiency and suffers little from the occurrence of sounds.

REFERENCES:
patent: Re33390 (1990-10-01), Sashida
patent: 4210837 (1980-07-01), Vasiliev et al.
patent: 4548090 (1985-10-01), Sashida
patent: 4663556 (1987-05-01), Kumada
patent: 4692650 (1987-09-01), Okumura et al.
patent: 4728843 (1988-03-01), Mishiro
patent: 4884002 (1989-11-01), Eusemann et al.
patent: 5028833 (1991-07-01), Kawi

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