Film cartridge having a movable flange for facilitating feeding

Details Film cartridge having a movable flange for facilitating feeding Film cartridge having a movable flange for facilitating feeding

1994-01-21

1996-11-26

Nguyen, John Q.

Winding, tensioning, or guiding

Unwinding and rewinding a machine convertible information...

Cartridge system

2423484, G03B 2302

Patent

active

055776825

ABSTRACT:
A film patrone which permits a film to be securely delivered from and rewound in the film patrone, and which applies low resistance to the film, thereby decreasing the rewinding load. The film patrone has a case body having shielding properties, a spool rotatably contained in the case body, a film wound in a roll around the spool, a fixed flange integrally formed on the periphery of the spool at at least one end thereof, a movable flange formed in a shape which can freely be fitted to the fixed flange so as to be movable relative to the fixed flange, and a cam unit radially provided on the fixed flange and the movable flange so as to move the movable flange along the direction to thrust the spool.

REFERENCES:
patent: 4407579 (1983-10-01), Huff
patent: 4846418 (1989-04-01), Fairman
patent: 5031853 (1991-07-01), Jensen
patent: 5282585 (1994-02-01), Takatori

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