Focusing screen mounting device

Details Focusing screen mounting device Focusing screen mounting device

1981-01-22

1982-07-06

Griffin, Donald A.

354200, G03B 1300, G03B 1912

Patent

active

043380107

ABSTRACT:
A focusing screen mounting device for a camera which has a high stability and a minimum number of components to reduce the number of steps of adjustment needed during assembly. The focusing screen mounting device includes a focusing screen holder which is made of a flexible material and which is arched towards the focusing screen so as to urge the focusing screen towards the penta-prism of the camera. The focusing screen holder is hingedly mounted along a rear edge and is provided with upwardly-extending protrusions for securing the focusing screen.

REFERENCES:
patent: 2135963 (1938-11-01), Crumrine
patent: 3174417 (1965-03-01), Sauer et al.
patent: 4132472 (1979-01-01), Urano et al.
patent: 4187016 (1980-02-01), Ishizaka

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