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| Number | Title | Issue Date |
| 7370858 | Apparatus for and method of preventing paper double feeding in printer An apparatus for and method of preventing paper double feeding in a paper feeding unit of a printer include a stripper which is installed to be inclined at a predetermined angle and attached to at least one front side of a plurality of paper guides, a lever which is... | 05/13/2008 |
| 7172192 | Paper feeding device A base part of a paper feeding device for supporting paper edges of a plurality of sheets of paper is provided with paper feeding load applying means which extends in a paper feeding direction and includes a plurality of convex portions having a same height and arra... | 02/06/2007 |
| 7152859 | Sheet separator A sheet separator for a printer includes a plurality of inclined separator strips, with a feed mechanism for urging a sheet from a stack toward the separator strips. The separator strips are oriented at an obtuse angle relative to the sheets of the stack, and at lea... | 12/26/2006 |
| 7131644 | Imaging apparatus having an automatic sheet feeder An imaging apparatus includes a sheet separation surface positioned along the sheet feed path downstream from a media tray. A plurality of pivoting arms is mounted in the imaging apparatus. The pivoting arms are moveable between a first position and a second positio... | 11/07/2006 |
| 7108257 | Sheet-supply device A sheet-supply device supplying sheets one at a time from a stack of sheets in a sheet feeding direction. The device includes a slanting plate on which a stack of sheets is mounted. A sheet feed roller is positioned above the slanting plate applying a force to an up... | 09/19/2006 |
| 7066461 | Paper separation mechanism and paper feed apparatus with the paper separation mechanism A paper separation mechanism that requires no complicated design or manufacturing and prevents feeding of a plurality of sheets of paper simultaneously to assure sheet-by-sheet feeding of paper, and a paper feed apparatus using such a paper separation mechanism. In ... | 06/27/2006 |
| 7036814 | Passive media separating device A media separator includes an elongated body having a series of formations thereon. The formations have angular surfaces for engaging a leading edge of sheets advancing therealong. As the leading edges move against the formations, separation between the sheets is en... | 05/02/2006 |
| 7014186 | Sheet feeder and image forming apparatus having the same An inclined separating surface includes an upwardly curved surface that is gradually lowered near the ends, from a middle portion in a sheet width direction as a top. The inclined separating surface holds leading edges of sheets stacked on a sheet holder. At the mid... | 03/21/2006 |
| 7011303 | Sheet feeder and image forming apparatus having the same An auxiliary support plate is connected, by a leaf spring, to a middle portion of a lower end of a sheet holder, in a sheet width direction, so that a lower end part of the auxiliary support plate rotates and retracts below an upper surface of the sheet holder. A sh... | 03/14/2006 |
| 6942209 | Separation member, and sheet feeding apparatus and image processing apparatus using this member The present invention relates to a separation member in contact with a sheet for separating the sheet with frictional force, comprising plurality of protrusion members, each structured of a supporting portion upright from an operation surface for the sheet and a dis... | 09/13/2005 |
| 6932529 | Method and systems for accessing a separation pad in a printing device A printing device including a feed roller assembly, a separation pad located adjacent to the feed roller assembly, and a printer housing having an access plate. The separation pad is user-accessible when the access plate is opened. ... | 08/23/2005 |
| 6908081 | Sheet feeder and image forming apparatus having the same A fixed separating plate, having a separating strip, is provided to a middle of a lower end portion of a sheet holder, which holds a plurality of sheets, in a sheet width direction. A pair of first and second movable separating plates are provided on each side of th... | 06/21/2005 |
| 6663551 | Buckle chute folding machine with a deflector control mechanism A buckle chute having a deflector disposed in front thereof to allow a sheet of document to enter the buckle chute channel or to deflect the sheet away from the channel. The deflector is pivotally linked to two actuator arms on the left and right sides of... | 12/16/2003 |
| 6536757 | Sheet separator in a printer A device for preventing a slip-down of sheets of paper contained in an automatic sheet feeding section obliquely mounted in an ink jet printer is provided. The device includes a buckler body having a plate in contact with a bottom of sheets loaded in the ... | 03/25/2003 |
| 6024524 | Method of manufacturing book blocks from various printed sheets having several quarto sheets which are inserted into one another A method and an apparatus for manufacturing book blocks from various printed sheets composed of a plurality of quarto sheets which are inserted into one another, wherein the printed sheets are successively pulled fold first along a conveying path from a s... | 02/15/2000 |
| 6003854 | Apparatus for individually separating stacked printed products The holding elements (28), designed as hook-gripper elements (26), are driven in a circulating manner by means of a drive arrangement (44) in a plane at right angles to a stack (16) of printed products that have back margins (20). In the takeover section ... | 12/21/1999 |
| 5842801 | Device and method for adjusting printing position of a printer A method and a device for adjusting the printing position of a printer head. When a recordable medium having a greater thickness than that of a standard cut sheet of letter size paper is inserted in an electrophotographic apparatus, it is often necessary ... | 12/01/1998 |
| 5622361 | Method of and apparatus for separating and feeding workpieces of limp material from a stack thereof A method of and apparatus for separating and feeding workpieces of limp material one at a time and one another from the bottom of a stack of the workpieces wherein the stack is supported at the bottom with a gap in the support for exposing a portion of th... | 04/22/1997 |
| 5443251 | Sheet feeding apparatus The present invention provides a sheet feeding apparatus comprising a supply means contacting one of the sheet in a sheet stack, for applying a feeding force to the sheet; a first limiting means abutting against a front end of the sheet stack in a sheet f... | 08/22/1995 |
| 4928944 | High speed sheet feeder singulator High speed sheet feeders receive blocks or bricks of paper sheets, cards or folders stacked edgewise on a downsloping supply ramp, and singulate these for edgewise feeding in rapid succession. The frontmost sheets ready for feeding are buckled and fanned ... | 05/29/1990 |
| 4613124 | Single sheet feeding Single sheet feeding from a stack is provided by placing the stack onto flat bars defining a stack bottom and being part of a pivotable frame. That frame includes holddown fingers engaging the top sheet at its front edges, and, two separating rollers are ... | 09/23/1986 |
| 4179114 | Film sheet handling device A device for removing a film sheet from a stack of such sheets present in a cassette. The device comprises a pin that can be moved into engagement with the uppermost film sheet of the stack in a marginal area thereof, and thereafter is moved in a directio... | 12/18/1979 |
| 4058305 | Paper feeding device A sheet feeding device wherein a roll pair in contact to the top sheet of a sheet stack is adapted to buckle the top sheet to enable subsequent engagement of the buckled portion of the sheet by a hooked belt to feed the buckled sheet off the stack in a di... | 11/15/1977 |
