Automatic aperture presetting device

Details Automatic aperture presetting device Automatic aperture presetting device

Filed on

1981-06-24

Date issued

1983-01-11

Examiner

Gonzales, John

Other Related Categories

354274, G03B 907

Type

Patent

Status

active

Patent number

043679390

Description

ABSTRACT:
An automatic aperture presetting device for a camera lens having a crank lever pivotally mounted on a preset ring which is rotatable around the optical axis of the lens. The end of one arm of the lever is in abutment against the edge of a cam which is mounted on a stationary lens barrel while the end of the other arm of the lever is operatively coupled to a stop member of an aperture operation ring which is driven from a corresponding member on the camera body side to thereby obtain an automatic aperture value corresponding to a set position of the preset ring.

REFERENCES:
patent: 4152064 (1979-05-01), Hashimoto et al.

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