Vibration driven actuator

Details Vibration driven actuator Vibration driven actuator

1992-08-26

1994-10-04

Dougherty, Thomas M.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310325, H01L 4109, G02B 704

Patent

active

053529499

ABSTRACT:
A first ball lace and a second ball lace, which is arranged at a position opposite to the first ball lace to sandwich a ball between itself and the first ball lace are coaxially assembled in a pencil shaped vibration driven motor or actuator, so that the second ball lace can be operated externally, and the rotational force of the ball can be output to an external device.

REFERENCES:
patent: 4793689 (1988-12-01), Aoyagi et al.
patent: 4935659 (1990-06-01), Naka et al.
patent: 4999536 (1991-03-01), Toda
patent: 5008581 (1991-04-01), Kumada et al.
patent: 5124611 (1992-06-01), Tamai et al.
patent: 5231325 (1993-07-01), Tamai et al.

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