Vibration wave motor

Details Vibration wave motor Vibration wave motor

1989-04-07

1990-04-17

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

H01L 4108

Patent

active

049183516

ABSTRACT:
In a vibration wave motor having a vibration member and a movable member press-contacted to the vibration member so as to be rotatably driven thereby, the vibration member is supported by a plurality of elastic supporting arms and the elasticity of the supporting arms produces a frictional force between the vibration member and the movable member.

REFERENCES:
patent: 4484009 (1984-11-01), Kawai et al.
patent: 4513219 (1985-04-01), Katsuma et al.
patent: 4645964 (1987-02-01), Miramatsu et al.
patent: 4649311 (1987-03-01), Mukohjima et al.
patent: 4672256 (1987-06-01), Okuno et al.
patent: 4692651 (1987-09-01), Miramatsu et al.
patent: 4736129 (1988-04-01), Endo et al.
patent: 4743788 (1988-05-01), Takagi et al.

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