G - Physics
03
B
95/72
G03B 17/26 (2006.01) G03B 17/30 (2006.01)
Patent
CA 2027525
-0- FILM CASSETTE ABSTRACT OF THE DISCLOSURE In a film cassette, a spool core is supported for rotation in an unwinding direction to thrust a leader section of a film roll coiled about the spool core to the exterior of the cassette and in a winding direction to return the leader to the interior of the cassette. A pair of flanges are arranged in spaced relation along the spool core to radially confine the leader. The flanges are adapted to be flexed apart to permit the leader to readily escape to confinement of the flanges when the spool core is rotated in the unwinding direction. According to the invention, the leader had respective edge portions for flexing the flanges apart in succession when the spool core is rotated in the unwinding direction, whereby the leader can more easily overcome any resistance the flanges may present to movement of the leader outwardly of the flanges.
Eastman Kodak Company
Gowling Lafleur Henderson Llp
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