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Class Information
Number: 242/346
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) > Coil-to-coil cartridge > With particular guide or guard
Description: Subject matter wherein special significance is attributed to either (a) guide means for engaging and directing movement of the carrier, or (b) guard means to confine the carrier to a desired path, during winding or unwinding.

Sub-classes under this class:

Class Number Class Name Patents
242/346.2 Rotatable 105
242/346.1 Shiftably mounted 51

Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8107189 Device and structure for reducing tape motion and static friction Jan. 31, 2012
7800863 Guide for directing tape media along tape path while applying balanced lateral forces to minimize contact between guide and tape Sep. 21, 2010
7446972 Tape drive with a single reel tape cartridge having single guide surface and method for driving Nov. 4, 2008
7440231 Single reel tape cartridge having guide surface Oct. 21, 2008
7052194 Apparatus and method for controlling a ribbon transport mechanism May. 30, 2006
6923396 Recording tape cassette Aug. 2, 2005
6892978 Tape guide for biasing a tape path within a tape transport system, such as a data storage tape cartridge May. 17, 2005
6874720 Data storage tape cartridge with subambient pressure feature Apr. 5, 2005
6814505 Roll-form image recording material magazine Nov. 9, 2004
6607155 Magnetic tape cassette Aug. 19, 2003
6563670 Data storage tape cartridge with guide having wear pattern May. 13, 2003
6405957 Data storage tape cartridge and tape path with an idler wrap guide for reduced lateral tape movement Jun. 18, 2002
6353514 Two-sided compliant tape guide Mar. 5, 2002
6343757 Elongated clearance-type guide for magnetic tape Feb. 5, 2002
6299087 Data cartridge having a reduced static charge Oct. 9, 2001
6288872 Lifter device for magnetic tape cartridge Sep. 11, 2001
6191920 Tape cassette with tape guides press-fit over ribbed guide posts Feb. 20, 2001
6142404 Compliant tape guide with planar stiffness body for a data storage tape cartridge Nov. 7, 2000
6125096 Dynamic/stationary tape guide Sep. 26, 2000
6116535 Tapered rolling tape edge guide mechanism and methods Sep. 12, 2000
6118630 Compliant edge guiding and following system for tape Sep. 12, 2000
6057992 Tape cartridge employing tape guides with upper and lower flanges secured to the tape guide by deforming ends of the tape guide May. 2, 2000
6057993 Lifter device for magnetic tape cartridge May. 2, 2000
6018445 Belt-drive tape cartridge having an offset drive roller and flanged tape guides Jan. 25, 2000
5979814 Invertible portable container having two separate lengths of recording tape Nov. 9, 1999
5911379 Tape cartridge for two separate lengths of recording tape Jun. 15, 1999
5893526 Tape guides for data cartridges Apr. 13, 1999
5868336 Tape guides for tape cassette Feb. 9, 1999
5865389 Entrainment air dam Feb. 2, 1999
5860612 Guides for magnetic tape and method of making the same Jan. 19, 1999
5772143 Guides for magnetic tape and method of making the same Jun. 30, 1998
5769356 Tape guide structure for use in a video cassette recorder Jun. 23, 1998
5758836 Tape cartridge and method of making the same Jun. 2, 1998
5754378 Tape cassette May. 19, 1998
5717958 Automatic photographic processor apparatus, paper feeder device, outdoor installation booth, and object image capturing mechanism used in the automatic photographic processor apparatus, and in Feb. 10, 1998
5716018 Tape guide for digital data tape mini-cartridge Feb. 10, 1998
5689392 Tape cassette Nov. 18, 1997
5657936 Tape reel position restricting assembly for tape cassette Aug. 19, 1997
5626305 Tape cassette having ribs and window May. 6, 1997
5618005 Coaxial reel tape cartridge with reduced tape forces Apr. 8, 1997
5601248 Tape guide for digital data tape mini-cartridge Feb. 11, 1997
5562258 Belt driven cartridge for guiding tape with reduced offtracking Oct. 8, 1996
5547142 Tape cassette with internal tape cleaning and locking Aug. 20, 1996
5522562 Tape cartridge and method of making the same Jun. 4, 1996
5519562 Compliant tape guide May. 21, 1996
5513815 Tape guide module for a data cartridge May. 7, 1996
5511736 Tape cassette and guide pin Apr. 30, 1996
5506736 Memory arrangement for tape cassettes used in recording and/or reproduction Apr. 9, 1996
5490029 Compliant tape guide for data cartridges Feb. 6, 1996
5469319 Magnetic tape cassette having tape edge regulating members Nov. 21, 1995

1 2 3 4

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