Film cartridge and associated drive means

Details Film cartridge and associated drive means Film cartridge and associated drive means

1974-03-15

1976-04-13

Christian, Leonard D.

Winding, tensioning, or guiding

Strand tensioning device

Tortuous course

352156, G03B 104, G11B 1532, G03B 100

Patent

active

039499529

ABSTRACT:
A cartridge for handling an extended length of strip material, such as motion picture film, includes cooperating drive means for advancing such material through apparatus such as a motion picture camera. The cartridge defines a closed web loop operable effectively to slave the operation of a strip-driving member of the cartridge to the functioning of a strip-feeding member of the apparatus, and further includes a specially-mounted integral drive motor for responsively rotating a pair of storage spools on which the strip may be wound.

REFERENCES:
patent: 1845462 (1932-02-01), Wellman
patent: 3033316 (1962-05-01), Foster
patent: 3561851 (1971-02-01), Martin
patent: 3716205 (1973-02-01), Geuder
patent: 3719417 (1973-03-01), Lecoeur
patent: 3850512 (1974-11-01), Scholz

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