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Class Information
Number: 242/346.2
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 > Rotatable
Description: Subject matter comprising structure supporting the guide or guard means for unlimited arcuate movement about an axis.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
7874507 Tape tension modulation system and method Jan. 25, 2011
7540445 Tape cartridge Jun. 2, 2009
7540444 Recording tape cartridge Jun. 2, 2009
7515382 Tape guide roller with zoned non-smooth surface Apr. 7, 2009
7506836 Irregular surfaced tape guide Mar. 24, 2009
7467757 Tape tension modulation system and method Dec. 23, 2008
7407127 Single reel tape cartridge having guide surface Aug. 5, 2008
7325763 Magnetic tape guiding system guide roller with single flange oriented at lower debris tape edge Feb. 5, 2008
7306181 Guide for directing tape media along tape path with reduced contact between guide and tape edge Dec. 11, 2007
7261250 Roller guide tape path Aug. 28, 2007
7255297 Adaptive tape drive roller guide Aug. 14, 2007
7240872 Guide roller including a pair of bearing having bearings flanges for retaining a pair of firm disk-shaped annular flanges Jul. 10, 2007
7219851 Tape path roller guide and method for making May. 22, 2007
7204445 Guide arrangements for data storage tape guiding systems Apr. 17, 2007
7204446 Data storage tape guiding systems using tapered guides Apr. 17, 2007
7163175 Irregular surfaced tape guide Jan. 16, 2007
7054100 Magnetic tape recording/reproducing device and magnetic tape recording/reproducing system May. 30, 2006
6994293 Tape drive transport roller Feb. 7, 2006
6969021 Variable curvature in tape guide rollers Nov. 29, 2005
6966522 Irregular surfaced tape guide Nov. 22, 2005
6938851 Tape path roller guide and method for making Sep. 6, 2005
6742739 Magnetic tape cassette, guide roller, and a method of manufacturing a guide roller Jun. 1, 2004
6736351 Tape guide device for magnetic recording/reproducing apparatus May. 18, 2004
6722546 Tape loading apparatus Apr. 20, 2004
6644581 Flange guide for improved tape winding Nov. 11, 2003
6634535 Roller shaft Oct. 21, 2003
6607156 Magnetic tape cassette Aug. 19, 2003
6595450 Magnetic tape cassette, guide roller, and a method of manufacturing a guide roller Jul. 22, 2003
6450438 Apparatus and methods for forming a tape pack Sep. 17, 2002
6441990 Compact tape drive having delayed in time first, second and third rotated tape guides for reading and writing data on single reel magnetic tape cartridges Aug. 27, 2002
6419139 Pinch roller bearing structure for magnetic tape apparatus Jul. 16, 2002
6357693 Tape guide roll with an inner cylinder recessed from an outer cylinder at the ends Mar. 19, 2002
6027778 One piece capstan for a tape cartridge Feb. 22, 2000
6007013 Winding aid for thin tapes in strip form Dec. 28, 1999
5957361 Magnetic tape device having a tape guide which prevents excessive compressive force on a magnetic tape Sep. 28, 1999
5833159 Magnetic tape cartridge Nov. 10, 1998
5777831 Tape cassette Jul. 7, 1998
5769356 Tape guide structure for use in a video cassette recorder Jun. 23, 1998
5769357 Tape guide roller assembly with impedance characteristics Jun. 23, 1998
5755392 Tape cartridge with reduced tangential drive force May. 26, 1998
5702065 Tape cartridge with reduced tangential drive force Dec. 30, 1997
5690291 Data storage device with baseplate for modified thrust surface drag Nov. 25, 1997
5690292 Tape cartridge and method for manfacturing same Nov. 25, 1997
5671893 Data cartridge Sep. 30, 1997
5543992 Tape cartridge with increased storage capacity Aug. 6, 1996
5506738 Tape cassette with tape guide support structure Apr. 9, 1996
5362009 Drive belt corner guide roller with structured inner surface for a data cartridge Nov. 8, 1994
5234178 Cassette for a tape recording medium, in particular a magnetic tape Aug. 10, 1993
5221061 Tape-guide made from synthetic resin Jun. 22, 1993
5204796 Tape cassette with tape tension controlled by grease of a specified range of viscosity Apr. 20, 1993

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