Photographic camera for various size exposures using one-piece m

Details Photographic camera for various size exposures using one-piece m Photographic camera for various size exposures using one-piece m

1993-08-24

1994-10-04

Blankenship, Howard B.

354159, G03B 3700

Patent

active

053530764

ABSTRACT:
A photographic camera capable of taking various size exposures comprises a back frame opening for making a full size exposure on a film in the camera, and respective masking blades supported for pivotal movement between a masking position for masking corresponding portions of the back frame opening to allow only a reduced size exposure to be made on the film and a non-masking position not masking the corresponding portions of the back frame opening to allow a full size exposure to be made on the film. The masking blades are connected via a connecting link having at least one elastic portion which constitutes a living hinge to permit the masking blades to be pivoted between their masking and non-masking positions. Preferably, the masking blades and the connecting link are integral to be one-piece.

REFERENCES:
patent: 2002076 (1935-05-01), Bornmann et al.
patent: 2358321 (1944-09-01), Fassin
patent: 2522387 (1950-09-01), Livens
patent: 3348463 (1967-10-01), Nerwin
patent: 3349682 (1967-10-01), Nerwin
patent: 5086311 (1992-02-01), Naka et al.

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