Film processor having a loading door interlock

Details Film processor having a loading door interlock Film processor having a loading door interlock

1984-06-11

1985-09-10

Mathews, A. A.

354313, 354318, G03D 502, G03D 506

Patent

active

045402639

ABSTRACT:
Film processor having a lighttight chamber defined in part by a door, a station at which a processing kit containing therein a rupturable container of processing liquid may be located, a rack movable from a first position toward a second position during which it opens the kit and also latches the door in a closed position, and a manually operable lever for moving the rack between said positions. Movement of the lever toward a processing position is transmitted to the rack and to a processing container rupturing member so as to cause the rack to open the processing kit prior to movement of the rupturing member into rupturable engagement with the container as the rack moves into the second position. Also, during such movement of the rack, the door is latched in the closed position, thus preserving the lighttightness of the chamber during processing of a length of film. The processor is provided with an interlock which prevents the door from being moved into a fully closed position when the rack is already in the second position thus preventing an improper sequence of events by the rack and thus possible damage to the lever. Also prevented is accidental latching of the door in the closed position.

REFERENCES:
patent: 4309100 (1982-01-01), Bendoni et al.
patent: 4370045 (1983-01-01), Holmes
patent: 4371248 (1983-02-01), Sulesky
patent: 4371249 (1983-02-01), Crumak et al.
patent: 4417799 (1983-11-01), Mills
patent: 4445770 (1984-05-01), Morse

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