Camera focus adjustment mechanism

Details Camera focus adjustment mechanism Camera focus adjustment mechanism

1991-11-22

1994-05-17

Gray, David M.

G03B 118

Patent

active

053132386

ABSTRACT:
A camera focus adjustment mechanism characterized by a base assembly, a clamping assembly, and a screw mechanism coupling the base assembly to the clamping assembly. The clamping assembly includes a carriage plate and a clamping plate, where the carriage plate is coupled to the screw mechanism and the clamping plate is adjustably coupled to the carriage plate. The clamping plate firmly clamps around the barrel of a camera lens assembly, and is adjustable relative to the carriage plate in a direction substantially perpendicular to the focusing axis of the camera lens assembly. The focus of the camera lens assembly is adjusted by rotating the screw mechanism to cause the clamping assembly (and therefore the barrel of the camera lens assembly) to move in a direction parallel to the focusing axis.

REFERENCES:
patent: 1447173 (1923-03-01), Elms
patent: 1621935 (1927-03-01), Kroedel et al.
patent: 5077154 (1991-12-01), Corley

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