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| Number | Title | Issue Date |
| 8042806 | Image forming apparatus An image forming apparatus according to an exemplary embodiment of the invention includes a registration roller and a control portion. The registration roller is disposed on an upstream side of an image forming portion in a sheet conveying direction to convey a shee... | 10/25/2011 |
| 7261292 | Method of feeding sheets to a sheet-processing machine, sheet-smoothing method and device In a method and an apparatus for feeding sheets to a sheet-processing machine, the leading edge of the sheet is smoothed before the grippers are closed by further transport into the sheet-processing machine. A curvature or bend in the sheet transport direction is im... | 08/28/2007 |
| 7063472 | Sheet skew correcting apparatus and image forming apparatus A sheet skew correcting apparatus, incorporated in a printer or the like to correct a phenomenon of obliquely feeding a sheet called skewing. The apparatus includes a transporting path in which the sheet is transported, a pair of registration rollers, a pair of timi... | 06/20/2006 |
| 6955351 | Paper feeding device and sheet carrying device A paper feeding device comprises a document tray for loading the document, a document-detecting sensor for detecting the document loaded in the document tray and a MYLAR® made of a sheet-shaped resilience material. A part of the MYLAR® is in contact with the docum... | 10/18/2005 |
| 6837492 | Universal deskew feeder for a mailing machine The present invention includes a deskew mechanism for a mailing machine. The deskew mechanism includes a horizontal feed deck and a vertical registration wall. A roller is mounted for rotation and located spaced from the registration wall so as to extend upwardly fr... | 01/04/2005 |
| 6805509 | Paper sensing apparatus of image forming machine A paper sensing apparatus of an office machine has a sensor actuator disposed to pivot with respect to a pivot center of a conveying roller by a printing paper when the printing paper is conveyed, and a sensing unit generating a paper sensing signal in accordance wi... | 10/19/2004 |
| 6505831 | Method for the proper alignment of sheets A method for the register-true alignment of sheets (1) before the transfer to a sheet-processing machine with the assistance of a carrier (7,9) that is movable in the machine cycle and is driven as a function of a signal, in order to feed the sheets indiv... | 01/14/2003 |
| 6398211 | Device for braking paper sheets A device for braking paper sheets, which acts on the paper sheets, including at least one resiliently movable brake shoe, and an electromagnet operatively arranged to impart a force on the brake shoe so that the brake shoe acts on the paper sheet.... | 06/04/2002 |
| 6308951 | Device for detecting a sheet stack height in a tray The invention relates to a device (1) for detecting a stack height of sheets (21) stacked in an input and/or output tray (2) of an apparatus, said device comprising a feeler (10) cyclically controlled and driven by means of a drive unit (12) and a control... | 10/30/2001 |
| 6135447 | Apparatus for skew correction in cut-sheet paper feeding A skew correction apparatus for cut-sheet paper feeding used in office machines such as optical scanners, printers and copiers. It includes a C-shaped paper guide surrounding a drive roller to form a paper passage therebetween. At one end of the paper gui... | 10/24/2000 |
| 5975524 | Sheet-guiding device assembly with a sheet hold-downer Sheet-guiding device assembly includes at least one sheet hold-downer disposed on a movable protective guard.... | 11/02/1999 |
| 5829741 | Sheet-guiding device assembly with a sheet hold-downer Sheet-guiding device assembly of a sheet-processing machine includes at least one sheet hold-downer disposed on a movable protective guard. The guard is swivellably or slidingly supported. The guard may be formed with an aperture in which the sheet hold-d... | 11/03/1998 |
| 5810173 | Method and system for processing documents A system for processing documents is provided for use in remittance processing of bulk mail. An extraction unit opens envelopes and extracts the envelope contents, typically in the form of a pair of documents such as an invoice stub and an accompanying ch... | 09/22/1998 |
| 5788228 | Electronically actuated turning device for transport apparatus An electronically actuated turning device for transport apparatus which receives product such as paper folders, detects the presence of the product, causes a ball to contact the product and allows the product to rotate 90 degrees, releases the ball and al... | 08/04/1998 |
| 5765483 | Device for automatic format adjustment in a delivery of a rotary printing press A device for a format-dependent adjustment of cut-off length in a delivery region of a rotary printing press having a device for nonstop operation, with stops for the trailing edge of the sheets to be delivered, includes a separating band revolving perpen... | 06/16/1998 |
| 5648808 | Automatic sheet feeding apparatus An automatic sheet feeding apparatus includes a sheet supporter for supporting sheets, a sheet supplier for feeding out the sheet from the sheet supporter, a separator for separating the sheets one by one at the feeding of the sheet by the sheet supplier,... | 07/15/1997 |
| 5499804 | Paper conveying device and paper conveying method A paper conveying device for overrunning paper from a stop position and then, switching the paper back to stop the paper in a stop position. The driving of a paper conveying section for conveying paper is stopped at the time point where the rear end of th... | 03/19/1996 |
| 5324124 | Guide system for feed roll entry A printing device has paper feed devices upstream and downstream of a printing station. The downstream paper feed devices uses pairs of pressure feed rolls which frictionally feed the paper when received. A tapered guide channel positioned in side by side... | 06/28/1994 |
| 5319432 | Sheet delivery mechanism A sheet delivery mechanism includes a pair of delivery rollers which deliver a sheet along a sheet delivery passage of a sheet treatment apparatus for predeterminately treating the sheet, a sheet halting member for halting the sheet, and a pinching force ... | 06/07/1994 |
| 5209810 | Method and apparatus for laying up adhesive backed sheets A system for laying up multi-layer stacks of sheets is particularly well suited for making pads of notes having ultra-removable adhesive coatings applied in a narrow strip to the back of each sheet. Large sheets having areas many multiples larger than the... | 05/11/1993 |
| 5168290 | Image forming apparatus having recording material carrying means An image forming apparatus includes recording material carrying device for carrying thereon a recording material; image forming device for forming an image on the recording material carried on the recording material carrying device; attracting charger for... | 12/01/1992 |
| 5145168 | Counter-clockwise single sheet rotator A pivot brake is used in conjunction with a ball-on-belt transport and dual registration edge guides to rotate and register the output of printers by 90° to satisfy on-line finishing requirements. As a sheet is fed into the rotation mechanism by the ball... | 09/08/1992 |
| 5055885 | Picture image forming equipment A paper path for guiding and transporting sheets of paper in an image former such as a printer or a photocopier which forms an image on both sides of the sheet of paper. The paper path has three channels: an image forming channel, a paper discharging chan... | 10/08/1991 |
| 5018716 | Sheet transporting apparatus with control means There is disclosed an automatic document feeder for the copying machine or the like, which is capable of adjusting the sheet transporting speed automatically according to the sheet quality or the status of sheet transportation. The feeder detects the stat... | 05/28/1991 |
| 4941655 | Skew-correcting and delay mechanism for sheet feeder Skew-correcting apparatus in which first and second sets of opposing feed rollers each comprise a pair of end rollers and a center roller between the end rollers. The first center roller has a sheet-gripping portion of limited circumferential extent formi... | 07/17/1990 |
| 4917370 | Sheet launcher for roll forming machine A launcher for launching pieces of sheet metal into a roll former is disclosed. The launcher includes laterally spaced conveyor belts having parallel upper reaches which support the piece of sheet metal and transport it to a launch position. While located... | 04/17/1990 |
| 4886264 | Method and apparatus for receiving printed products from a revolvingly driven bucket wheel of a printing machine An outfeed conveyor is arranged beneath a rotary bucket wheel driven to rotate in a predetermined rotational direction. A belt conveyor is arranged downstream of, and a product entrainment arrangement is arranged upstream of, the outfeed conveyor. An endl... | 12/12/1989 |
| 4805892 | Cross-track registration device for sheet transport system A loop is formed between upstream and downstream pairs of rollers by driving the downstream pair slower than the upstream pair and/or by a direction changing guide. The downstream pair of rollers is axially movable to bring an in-track edge of a sheet to ... | 02/21/1989 |
| 4725053 | Automatic document feeder and registration system therefor Documents are advanced to a registered position along the trailing edge of the exposure platen of an electrophotographic copier by a flat belt supported adjacent to the registration edge by a pulley formed with axially spaced indentations to produce corre... | 02/16/1988 |
| 4702470 | Paper supplying device for perfecting printing machine A printing device is provided with a paper insertion mechanism including a paper stop and a pair of paper driving rolls operable in association with the rotation of a printing cylinder which includes an actuating cam. A paper presser operates synchronousl... | 10/27/1987 |
| 4676498 | Sheet feeding apparatus The present invention provides a sheet feeding apparatus for moving a sheet in a predetermined direction, characterized by a guide located at the lateral side of the path for the sheet, a conveyor for conveying the sheet along the guide, and a flexure inh... | 06/30/1987 |
| 4676497 | Sheet conveyor and cooperating roller Sheet conveyor apparatus for feeding sheets one at a time to a stop wall at the end of the conveyor with at least one overhead support extending above said conveyor. An overhead longitudinally adjustable roller carrying sub-assembly extends above the conv... | 06/30/1987 |
| 4624452 | Board inserter for printing press A board inserter for use with a printing press provides for the automatic insertion of paper boards or the like between predetermined numbers of printed sheets as they emerge from the printing press. The board inserter is used to make note pads or the lik... | 11/25/1986 |
| 4618391 | Automatic device for bringing into register a tool mounted on a rotary cylinder for processing products in sheet form Device for bringing into register a tool mounted on a rotary cylinder for processing products in sheet form, such as a tool for cutting out, creasing, or printing sheets of cardboard in a machine for making and printing corrugated cardboard boxes, compris... | 10/21/1986 |
| 4557473 | Sheet decelerating and stopping apparatus A sheet decelerating and stopping apparatus which may be used as a staging apparatus in a sheet-feeding environment. A pivoting member having decelerating and stopping areas thereon is spring biased to an operating position in which the decelerating area ... | 12/10/1985 |
| 4541623 | Alignment restraint station An improved alignment/restraint station for interposition in an automatic document feed path is disclosed. A unitary structure including back-up rollers and sawtooth restraint members is positioned downstream of the document separation station and transve... | 09/17/1985 |
| 4482147 | Sheet arranging system A sheet arranging system for use with a sorter, collator, etc., providing a sheet arranging section defined by receiving rollers, delivery rollers and a forward reference edge, wherein sheets fed on the basis of rearward reference are moved toward a forwa... | 11/13/1984 |
| 4355800 | Paper feed control apparatus for use in sheet printing presses A feed plate for sequentially supplying paper sheets to a printing press is provided with an upwardly inclined air passage and an air suction passage obliquely intersecting the upwardly inclined air passage at an intermediate point thereof. A guide plate ... | 10/26/1982 |
| 4213603 | Method and apparatus for locating a moving sheet at a registration position A method and apparatus for locating sheets moving in a path at a registration position in the path. The sheets, moving seriatim in a path established by a guide and a platen of a reproduction apparatus, are pinched against the platen to decelerate the she... | 07/22/1980 |
| 4192495 | Film feeder The illustrated embodiment shows a film feeder for feeding individual film sheets to automatic developers. The film feeder has a magazine for receiving a stack of the film sheets, an extraction device and a transport device for transferring the individual... | 03/11/1980 |
