Method of accommodating photographic film with elongated leader

Details Method of accommodating photographic film with elongated leader Method of accommodating photographic film with elongated leader

1991-06-27

1992-11-24

Stodola, Daniel P.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242 671R, 242 717, B65H 1808, B65H 1800

Patent

active

051656191

ABSTRACT:
A method of accommodating a roll of photographic film in a main body of a photographic-film cartridge in which the cartridge is in a state in which one end of an elongated leader member is brought into engagement with a spool in the cartridge and a predetermined length of the other end thereof extends out of the cartridge includes a first step of inserting the leading end of a roll of photographic film into the main body of the cartridge, a second step of rotating the spool and feeding the roll of photographic film into the main body of the cartridge so as to wind the leader member and the leading end of the photographic film onto the spool, and a third step of rotating the spool so as to wind the rest of the roll of photographic film onto the spool, thereby accommodating the photographic film thus wound in the main body of the cartridge.
A developed photographic film can be easily accommodated in the cartridge by making use of the frictional force produced by winding the leader member and the roll of photographic film together on the spool.

REFERENCES:
patent: 3049312 (1962-08-01), Simjian
patent: 3191882 (1965-06-01), Riedel
patent: 3743200 (1973-07-01), Hommerin

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