Lens barrel for a camera

Details Lens barrel for a camera Lens barrel for a camera

1974-11-26

1976-03-16

Corbin, John K.

350187, G02B 702

Patent

active

039443400

ABSTRACT:
The present invention relates to a lens barrel so constructed that the lens barrel presents a lens frame movable along the optical axis by the operation member by means of the engagement of a pin in a cam groove, whereby in order to prevent from the damage of the cam groove a cylindrical member with a protection member projecting beyond the front of the movable lens frame is provided in such a manner that the force given from outside is received by the fixed barrel through the protection member.

REFERENCES:
patent: 2873646 (1959-02-01), Angenieux

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