Multiformat film clamp

Details Multiformat film clamp Multiformat film clamp

1994-10-28

1996-06-04

Gellner, Michael L.

Photocopying

Projection printing and copying cameras

Detailed holder for original

355 74, 355 75, 352221, 352227, G03B 2762

Patent

active

055238203

ABSTRACT:
The improved film clamp comprises a base plate having an aperture defined therethrough and over which a film strip is positioned in a plane; a platen having a flat surface and an aperture defined therein and mounted to said base plate with the apertures of said base plate and said platen aligned with each other when the platen is clamped to the base plate; and flexible gripping means positioned around the periphery of the aperture of either said platen, said base plate or both, each of said flexible gripping means including a locating section arranged so as to be inserted into locating slots provided around the periphery of the aperture of either said platen, said base plate or both, said locating slots being, when said base plate and said platen are clamped together, substantially perpendicular to the plane of the film strip and a gripping section angled with respect to said locating section outward from the aperture(s) so as to grip and tension said film strip between said base plate and said platen when they are clamped together.

REFERENCES:
patent: 2248646 (1941-07-01), Small
patent: 2824491 (1958-02-01), Small
patent: 4161365 (1979-07-01), Anderson et al.
patent: 4736228 (1988-04-01), Ito
patent: 4835555 (1989-05-01), Maxwell
patent: 4965632 (1990-10-01), Jadrich et al.
patent: 5073022 (1991-12-01), Pistor et al.
patent: 5258807 (1993-11-01), Reinhe
U.S. Ser. No.07/906,635, entitled "Multiformat Film Clamp", filed Jun. 30, 1992. Inventor: Stephen M. Reinke.

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