Device for winding strips of photographic film

Details Device for winding strips of photographic film Device for winding strips of photographic film

1995-05-25

1996-10-15

Darling, John P.

Winding, tensioning, or guiding

Unwinding and rewinding a machine convertible information...

Cartridge system

G03B 2302

Patent

active

055646425

ABSTRACT:
A device for winding strips of photographic film inside a housing. A film-guide slot opens into the housing's approximately cylindrical interior. A film reel rotates freely in the housing interior without a positive drive and demarcates, in conjunction with the inner surface of the housing, a more or less annular film-guide channel. The film-guide slot opens more or less tangentially into the interior channel.

REFERENCES:
patent: 2180222 (1939-11-01), Clarke
patent: 3502283 (1970-03-01), Gross
patent: 3620477 (1971-11-01), Penn
patent: 3662972 (1972-05-01), Egan
patent: 3834650 (1974-09-01), Hall
patent: 4069989 (1978-01-01), Pfeifer et al.
patent: 4285480 (1981-08-01), Parker
patent: 4637711 (1987-01-01), Fujisawa et al.
patent: 5465134 (1995-11-01), Palmer et al.

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