Lens barrel

Details Lens barrel Lens barrel

1991-08-21

1993-06-01

Fields, Carolyn E.

Optical: systems and elements

Lens

With variable magnification

359699, G02B 710

Patent

active

052165493

ABSTRACT:
A lens barrel comprises a lens, a lens holding member holding the lens and movably supported, and cam arrangement for moving the lens holding member. The cam arrangement has a cam portion projectedly formed on a movable cam member, and a cam follower contacting with the cam portion. The cam follower has a plurality of contact surfaces for sandwiching the cam portion therebetween by surface contact. The plurality of contact surfaces are disposed while being deviated along the direction of extension of the cam portion.

REFERENCES:
patent: 4707083 (1987-11-01), Iizuka et al.
patent: 4759618 (1988-07-01), Kamata
patent: 4834514 (1989-05-01), Atsuta et al.
patent: 5037187 (1991-08-01), Oda et al.

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