Safety device for exposure factor setting dial

Details Safety device for exposure factor setting dial Safety device for exposure factor setting dial

1978-11-22

1980-08-26

Hartary, Joseph W.

G03B 1700

Patent

active

042192676

ABSTRACT:
In a camera having an exposure factor setting dial positioned adjacent a film winding lever, there is provided a safety device including a movable cover arranged to protrude upwardly from the inside of the camera housing over a top panel thereof to prevent the operator from inadvertently manually altering the setting of the dial, whereby improper actuation of the dial is prevented and the camera is made substantially fool-proof. When the cover is retracted into the camera housing by engagement of a knurled key portion thereof, the operator may actuate the dial to revise the exposure setting.

REFERENCES:
patent: 4005460 (1977-01-01), Mizukawa
patent: 4072960 (1978-02-01), Meixner
patent: 4118716 (1978-10-01), Suzuki et al.
patent: 4131351 (1978-12-01), Iwata et al.

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