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Class Information
Number: 242/348.3
Name: Winding, tensioning, or guiding > Unwinding and rewinding a machine convertible information carrier (e.g., magnetic tape or photographic film) > Cartridge system (i.e., cartridge work station or cartridge) > Single coil cartridge (e.g., film magazine) > With means to facilitate unwinding
Description: Subject matter wherein the cartridge includes structure to promote movement of the elongated material, particularly its leading end, from the cartridge.


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
7300015 Paper magazine Nov. 27, 2007
7252257 Tape drive apparatus, tape extraction apparatus and tape cassette Aug. 7, 2007
7059558 Recording material containing device for recording material roll Jun. 13, 2006
6908057 Recording tape cartridge Jun. 21, 2005
6892974 Recording tape cartridge May. 17, 2005
6577467 Helical scan transport for single reel tape cartridge Jun. 10, 2003
6505788 Tape cassette Jan. 14, 2003
6356411 Magnetic tape cartridge with magnetic tape leader pin having rotatable engagement portions at opposite ends thereof Mar. 12, 2002
6236539 Magnetic tape cartridge with spring member abutting leader pin May. 22, 2001
6149321 Film drawing device and a drawing plate for use in the film drawing device Nov. 21, 2000
6135378 Apparatus for removing film from a film magazine Oct. 24, 2000
6089486 Film cartridge with pawl and ratchet Jul. 18, 2000
5950951 Device for positioning the spool of a cartridge for a photographic film Sep. 14, 1999
5921494 Photographic film cartridge with film clamping flanges Jul. 13, 1999
5911380 Paper magazine for containing a recording paper roll Jun. 15, 1999
5815911 Apparatus for assembling photo film cassette Oct. 6, 1998
5815739 Camera assembly with quill drivekey for engaging film cartridge Sep. 29, 1998
5740983 Tapeless splicing system for photographic filmstrips Apr. 21, 1998
5740977 Photo film cassette having assembly characteristics Apr. 21, 1998
5742862 Photographic cassette and camera equipped with a cassette according to the invention Apr. 21, 1998
5681003 Photographic film handling method and apparatus Oct. 28, 1997
5608485 Photographic film cassette having a spool locking device and camera for use with the same Mar. 4, 1997
5577682 Film cartridge having a movable flange for facilitating feeding out and rewinding of film Nov. 26, 1996
5452035 Patrone with selective locking means and camera usable therewith Sep. 19, 1995
5445336 Internal film drive for thrusting film cartridge Aug. 29, 1995
5411220 Film cassette with film separating claw May. 2, 1995
5363166 Photographic film cassette and camera for use therein Nov. 8, 1994
5333810 Raised linear threading mechanism for a tape transport system Aug. 2, 1994
5332173 Magnetic tape cartridge having retention of leader tape Jul. 26, 1994
5332168 Photographic film cassette with improved separator claw Jul. 26, 1994
5328123 Single reel cartridge with decreased base sink Jul. 12, 1994
5305042 Film cassette Apr. 19, 1994
5303875 Leader block for magnetic tape cartridge Apr. 19, 1994
5282585 Photographic film cassette Feb. 1, 1994
5280860 Container for developed photographic film Jan. 25, 1994
5277374 Film-ejecting cartridge Jan. 11, 1994
5271577 Photographic film cassette Dec. 21, 1993
5261623 Anti-clockspringing mechanism for a web roll cassette Nov. 16, 1993
5255040 Film cassette and leader Oct. 19, 1993
5249753 Photographic film cassette Oct. 5, 1993
5248108 Film cassette with unitary film stripper and light blocking device Sep. 28, 1993
5229804 Film assemblage Jul. 20, 1993
5213277 Self-advancing film cassette having separation claw for jamming prevention May. 25, 1993
5209419 Film cassette with flanged film spool May. 11, 1993
5188306 Self-advancing film cassette including an auxiliary rotation transmittance structure Feb. 23, 1993
5181672 Photograhic film cassette Jan. 26, 1993
5178340 Film cassette with cooperating stripper and light-lock Jan. 12, 1993
5174519 Film cassette Dec. 29, 1992
5173730 Thrust-type film cassette assembly Dec. 22, 1992
5153627 Film cassette with spool lock Oct. 6, 1992

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