Film cartridge and cartridge mounting insert for microfilm machi

Details Film cartridge and cartridge mounting insert for microfilm machi Film cartridge and cartridge mounting insert for microfilm machi

1996-03-25

1999-08-03

Nguyen, John Q.

Winding, tensioning, or guiding

Unwinding and rewinding a machine convertible information...

With detector or indicator

2423484, 2425632, 242912, 396512, G03B 104, G03B 2302, G03B 2606

Patent

active

059314001

ABSTRACT:
The cartridge is a generally cylindrical enclosure with a light seal through which a film web is drawn. The cartridge is closed with two side plates, one of which is removable. A spindle is journaled in the side plate. Film wound on a core is mounted on the spindle. The assembly is placed in an adapter insert. The adapter incorporates a motion multiplication mechanism such as gearing to drive a detectable element to rotate multiple times for each rotation of the core. The detectable element is positioned opposite a magnetic/proximity detector or optical detector on the host machine.

REFERENCES:
patent: 3603528 (1971-09-01), Kingsley et al.
patent: 3691921 (1972-09-01), Isbell
patent: 4758851 (1988-07-01), Zeth
patent: 4987300 (1991-01-01), Robertson
patent: 5003333 (1991-03-01), Earnhart
patent: 5153625 (1992-10-01), Weber
patent: 5247323 (1993-09-01), Weber
patent: 5389992 (1995-02-01), Weber
patent: 5659833 (1997-08-01), FitzGerald

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