Elastic supporting member for a vibration driven motor

Details Elastic supporting member for a vibration driven motor Elastic supporting member for a vibration driven motor

1992-05-18

1994-05-17

Stephan, Steven L.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310323, H01L 4108

Patent

active

053131320

ABSTRACT:
A vibration driven motor including a vibration member for generating a vibration therein, a rotor arranged in frictional contact with the vibration member and driven by the vibration, a rotary output member, and a connection member connecting the rotor to the output member. The connection member includes a bent portion that is deformed in an axial direction on the rotary output member. In another aspect a connection member having a bent portion may be provided for engaging the vibration member at a predetermined portion. In each case, the bent portion(s) of the connection member absorbs any change in the dimensions thereof, e.g., due to a change in the temperature or other environmental factors.

REFERENCES:
patent: 4692651 (1987-09-01), Hiramatsu et al.
patent: 4871937 (1989-10-01), Kawai
patent: 4959579 (1990-09-01), Kuwabara et al.
patent: 5053669 (1991-10-01), Saeki et al.
patent: 5091670 (1992-02-01), Kawata et al.
patent: 5107163 (1992-04-01), Umemura et al.

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