Lens cap for optical instruments with pivotally mounted lens cov

Details Lens cap for optical instruments with pivotally mounted lens cov Lens cap for optical instruments with pivotally mounted lens cov

1974-10-15

1976-03-09

Stern, Ronald J.

Receptacles

Compartmented container

Compartment partition is movable or removable

220335, G03B 1104

Patent

active

039428648

ABSTRACT:
A threadedly mounted cap for the lens opening of optical instruments such as cameras with a pivotally mounted lens cap mounted thereon spring biased to open and closed positions when pivotally moved beyond a given point.

REFERENCES:
patent: 849409 (1907-04-01), Martin
patent: 1427592 (1922-08-01), Hales
patent: 2807355 (1957-09-01), Shiffman
patent: 2849795 (1958-09-01), Vissing
patent: 2889629 (1959-06-01), Darkenwald
patent: 3015982 (1962-01-01), Bing et al.
patent: 3758200 (1973-09-01), Saito
patent: 3831285 (1974-08-01), Vissing
patent: 3840883 (1974-10-01), Choate

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