Roll film looping and guiding apparatus

Details Roll film looping and guiding apparatus Roll film looping and guiding apparatus

1981-09-03

1983-12-13

Christian, Leonard D.

Winding, tensioning, or guiding

Strand tensioning device

Tortuous course

226189, 242 76, G03B 104, B65H 2700

Patent

active

044201214

ABSTRACT:
Apparatus for supporting and accumulating roll film on a film scanning stage, supported on a high intensity light table. The apparatus includes supply and take-up film reels and a pair of looping and guiding assemblies, all of which are secured to the scanning stage. The looping and guiding assemblies are aligned with the film reels and offset from each other in two orthogonal directions to position roll film in a zig-zag pattern on the scanning stage. The position of at least one of the assemblies is adjustable to vary the amount of film accumulated between the two assemblies.

REFERENCES:
patent: 3954213 (1976-05-01), Andersen

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