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Class Information
Number: 271/22
Name: Sheet feeding or delivering > Feeding > Separators > Buckling > Rotary > Pack advancer
Description: Having means for keeping top or side feed packs forced into position for separating.


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
7410162 Image forming apparatus Aug. 12, 2008
7100913 Value sheet handling apparatus Sep. 5, 2006
6766738 Cylinder jacket profile, method of producing an easy-clean layer on a cylinder jacket profile and printing press Jul. 27, 2004
6488277 Sheet separation mechanism Dec. 3, 2002
6467766 Paper sheet feed mechanism Oct. 22, 2002
6354584 Sheet feeding apparatus, image forming apparatus having the same and image reading apparatus having the same Mar. 12, 2002
6305683 Front loading type of automatic paper feeding apparatus for preventing paper from being skewed Oct. 23, 2001
6129347 Entrance guide for friction/retard feeding systems Oct. 10, 2000
6065745 Cradle for feeding of non-uniform sheets in a printer or copier May. 23, 2000
6056461 Device for feeding a recordable paper in an ink jet printer May. 2, 2000
5984295 Paper tray with single sheet feeder Nov. 16, 1999
5961113 Sheet feeding apparatus and method for reliably feeding sheets from a column of sheets Oct. 5, 1999
5915682 Sheet feeder system and method for individually separating sheets Jun. 29, 1999
5711649 Sheet stacking apparatus Jan. 27, 1998
5443251 Sheet feeding apparatus Aug. 22, 1995
5437444 Sheet supplying apparatus Aug. 1, 1995
5323918 Adhesive sheet separator Jun. 28, 1994
5305996 Paper hopper Apr. 26, 1994
5284333 Sheet feeding apparatus Feb. 8, 1994
5232215 Sheet feed cassette for image forming apparatus Aug. 3, 1993
5195736 Method and apparatus for feeding sheets Mar. 23, 1993
5184906 Adjustable envelope cassette Feb. 9, 1993
5114133 Automatic sheet feeding device May. 19, 1992
5100120 Cut-sheet feeder control method Mar. 31, 1992
5054759 Apparatus for feeding individual sheets in office machines Oct. 8, 1991
5052670 Image-forming machine Oct. 1, 1991
5052673 Sheet feeding device Oct. 1, 1991
4981235 Unitary coupon dispenser Jan. 1, 1991
4966358 Apparatus for feeding recording medium, having means for easy handling of jamming trouble Oct. 30, 1990
4932646 Sheet feeders for soft coated sheet material Jun. 12, 1990
4917368 Sheet feeding method and apparatus Apr. 17, 1990
4838535 Sheet feeding device with detachable holder means for thick cut sheets Jun. 13, 1989
4786042 Adjustable size sensing sheet cassette Nov. 22, 1988
4772007 Cut sheet holding and feeding apparatus Sep. 20, 1988
4727784 Web cut blank piling method and apparatus Mar. 1, 1988
4714243 Paper tray for a printing device Dec. 22, 1987
4711442 Sheet supply apparatus for typewriters, having slewing rollers engaging a platen roll, and method Dec. 8, 1987
4667947 Feed device for a printer or typewriter May. 26, 1987
4660823 Sheet feeding device for business machine Apr. 28, 1987
4647030 Paper feed apparatus Mar. 3, 1987
4640502 Envelope hopper for feed and delivery Feb. 3, 1987
4635919 Floating document throat Jan. 13, 1987
4579328 Copy paper feeding device for electrophotographic copying machine Apr. 1, 1986
4577850 Automatic paper feeder for reproducing machine Mar. 25, 1986
4558858 Sheet supply apparatus for typewriters, having slewing rollers engaging a platen roll, and method Dec. 17, 1985
4529189 Sheet feeding apparatus Jul. 16, 1985
4482146 Dispenser of single film sheets Nov. 13, 1984
4478401 Apparatus for feeding sheets Oct. 23, 1984
4463943 Dispenser for dispensing photographic sheets from a stack Aug. 7, 1984
4461465 Facsimile sheet feeding apparatus Jul. 24, 1984

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