Vibration driven system

Details Vibration driven system Vibration driven system

1993-02-04

1995-09-05

Adams, Russell E.

Optical: systems and elements

Prism

With reflecting surface

3541951, 359823, 74625, G03B 300

Patent

active

054483280

ABSTRACT:
Balls are clamped between a first gear driven by an auto-focusing motor and a second gear driven by a manual focusing ring. The balls are arranged to revolve about a given axis. A projection having an elasticity and provided to the second gear itself is brought into contact with a fixing member provided at a predetermined position, so that a clamping force for clamping the balls is generated by the projection.

REFERENCES:
patent: 2875646 (1959-03-01), Bucalo
patent: 3011364 (1961-12-01), Mims
patent: 3160031 (1964-12-01), Bugg
patent: 4793689 (1988-12-01), Aoyagi et al.
patent: 4890132 (1989-12-01), Hama
patent: 5052781 (1991-10-01), Iizuka
patent: 5061228 (1991-10-01), Hagqvist
patent: 5239417 (1993-08-01), Eguchi et al.

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