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Class Information
Number: 271/37
Name: Sheet feeding or delivering > Feeding > Separators > Rotary > Preliminary protrusion
Description: Each sheet being slightly projected from the pack prior to its engagement by the rotary separator.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7461841 |
Sheet discharging apparatus and image forming apparatus |
Dec. 9, 2008 |
| 7458569 |
Device for separating the individual sheets of a print medium |
Dec. 2, 2008 |
| 7239432 |
Drum surface scanner and method for plate size check |
Jul. 3, 2007 |
| 6690476 |
Full form utilization feature of an image forming device |
Feb. 10, 2004 |
| 6581925 |
Feeder and retard rollers, and method of maximizing lifetime of rollers |
Jun. 24, 2003 |
| 6540219 |
Paper feeding device |
Apr. 1, 2003 |
| 6536759 |
Sheet feeding apparatus, image forming apparatus having the sheet feeding apparatus, and image reading apparatus |
Mar. 25, 2003 |
| 6425578 |
Image recording apparatus and method |
Jul. 30, 2002 |
| 6364308 |
Document feeder with overlap prevention |
Apr. 2, 2002 |
| 6224050 |
Method and apparatus for feeding astride folded signatures to a collection path |
May. 1, 2001 |
| 6090463 |
Cleaning sheet cleaning method of recording apparatus using the same and stack of recording medium containing the same |
Jul. 18, 2000 |
| 5545282 |
Method and a device of stripping foil cuttings |
Aug. 13, 1996 |
| 5305995 |
Sheet feeding apparatus for re-feeding a sheet without smearing |
Apr. 26, 1994 |
| 5008713 |
Sheet conveying apparatus and sheet conveying method |
Apr. 16, 1991 |
| 4921238 |
Sheet feeder having preactuated picker roller |
May. 1, 1990 |
| 4843436 |
Feed roll cleaner for cleaning and renewing the frictional feeding surfaces of the sheet feed rolls in a copy reproducing machine or printer |
Jun. 27, 1989 |
| 4541623 |
Alignment restraint station |
Sep. 17, 1985 |
| 4458890 |
Apparatus for automatically feeding sheets |
Jul. 10, 1984 |
| 4418904 |
Sheet feeding apparatus |
Dec. 6, 1983 |
| 4413901 |
Recirculating automatic document feeder |
Nov. 8, 1983 |
| 4398709 |
Wave generation amplification apparatus for cut sheet paper feeding |
Aug. 16, 1983 |
| 4395033 |
Shingling with controlled force and/or velocity |
Jul. 26, 1983 |
| 4374586 |
Document feed sheet aligner |
Feb. 22, 1983 |
| 4313598 |
Self-compensating stripper assembly for document handling and counting apparatus |
Feb. 2, 1982 |
| 4306713 |
Document feeder |
Dec. 22, 1981 |
| 4236709 |
Cartridge sheet feed attachment |
Dec. 2, 1980 |
| 4189138 |
Paper feeder |
Feb. 19, 1980 |
| 4126305 |
Combing wheel |
Nov. 21, 1978 |
| 4119219 |
Batch feeder |
Oct. 10, 1978 |
| 4113245 |
Combing wheel feed nip with second sheet restraint |
Sep. 12, 1978 |
| 4089516 |
Multibin, cut-sheet xerographic copier |
May. 16, 1978 |
| 4059262 |
Sheet delivery apparatus |
Nov. 22, 1977 |
| 4045014 |
Sheet film magazine for an X-ray film exchanger |
Aug. 30, 1977 |
| 4015839 |
Card feeding station |
Apr. 5, 1977 |
| 3989238 |
Photocopy machine |
Nov. 2, 1976 |
| 3976291 |
Arrangement for separating sheets of paper and the like |
Aug. 24, 1976 |
| 3966191 |
Sheet separating device |
Jun. 29, 1976 |
| 3958800 |
Inclined paper feed |
May. 25, 1976 |
| 3937455 |
Automatic stack feed |
Feb. 10, 1976 |
| 3933350 |
Paper insert feeder |
Jan. 20, 1976 |
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