Roll film processor

Details Roll film processor Roll film processor

1986-04-28

1988-07-26

Mathews, A. A.

354322, 354338, G03D 313

Patent

active

047604174

ABSTRACT:
A roll film processor for developing film wound into a roll. The processor has a plurality of substantially aligned tanks containing processing liquids. A removable film drive module having a "U" shaped section for each tank carries the film along a serpentine path through the tanks. Each "U" shaped section has down path leg for carrying the film into the liquid and an up path leg for carrying the film out of the liquid. The rollers for moving the film are positioned outside the liquid. Opposed "V" shaped grooves guide the edges of the film in the liquid. One of the grooves is on a front portion of the drive module and the other is on a rear portion. If a jam occurs, the film drive module is removed from the processor and opened by removing retainer clips by hand from retainer pins. The grooves are thereby separated allowing removal of the jammed film. Reassembly of the film drive module on the processor is facilitated by latitudinally flexible couplers for the module drive shafts. A combination of paddle agitators and anti-contamination ridges on the down path legs in the wash tanks prevents recontamination of the clean film as it leaves the tanks.

REFERENCES:
patent: 2488141 (1949-11-01), Pratt et al.
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patent: 3520461 (1970-07-01), Savela
patent: 3608807 (1971-09-01), Lee
patent: 4032943 (1977-06-01), Zwettler
patent: 4130825 (1978-12-01), Fassano
patent: 4252429 (1981-02-01), Hope et al.
patent: 4354755 (1982-10-01), Becheiraz
patent: 4416529 (1983-11-01), Kastl

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