Camera having film contour aids

Details Camera having film contour aids Camera having film contour aids

1997-06-13

1998-05-19

Metjahic, Safet

Photography

Camera detail

Body structure or housing

396535, G03B 1702

Patent

active

057549109

ABSTRACT:
A camera includes a body having a film roll chamber and a film cassette chamber which are oppositely disposed relative to an exposure chamber. A rear cover which lighttightly seals the camera body includes a rib member projecting from an interior surface for contacting a filmstrip being advanced between the film roll chamber and the film cartridge chamber. The rib member is preferably curved to induce a constant curvature on the filmstrip as the filmstrip is advanced across the exposure chamber of the camera. A set of spherical protrusions projecting from the interior of the rear cover bound the exposure chamber to allow the edges of the filmstrip to more closely track the film rails which border the exposure chamber to guide the filmstrip and promote a repeatable contour in the exposure plane.

REFERENCES:
patent: 2000588 (1935-05-01), Fuerst
patent: 3550512 (1970-12-01), Lange
patent: 3967300 (1976-06-01), Oshima
patent: 4290676 (1981-09-01), Hozman et al.
patent: 4812863 (1989-03-01), Ohmura et al.
patent: 4833495 (1989-05-01), Ohmura et al.
patent: 4855774 (1989-08-01), Ohmura et al.
patent: 5248108 (1993-09-01), Zander

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