Anti-backlash cam

Details Anti-backlash cam Anti-backlash cam

1985-11-19

1987-08-25

Corbin, John K.

350255, G02B 704

Patent

active

046889027

ABSTRACT:
A zoom lens cam mechanism has two cam follower bearings mounted on a common shaft and arranged so that they engage against and roll on opposite sides of a cam groove or slot so as to reduce backlash.

REFERENCES:
patent: 4322151 (1982-03-01), Weiss
patent: 4533218 (1985-08-01), Nakazato et al.
patent: 4548471 (1985-10-01), Schlapp et al.

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