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Class Information
Number: 271/197
Name: Sheet feeding or delivering > Delivering > By pneumatic conveyor > Unidirectionally-moving suction member or surface > Including endless-belt conveyor and suction chamber
Description: Device wherein the surface is that of a closed-loop band which encircles two or more pulleys and moves adjacent a vacuum box that connects with a source of the vacuum that is applied to the surface of the band.

Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
7182334 Air diffusing vacuum transport belt Feb. 27, 2007
7146891 Device for transferring two-dimensional products onto a transportation device Dec. 12, 2006
7125014 Device for conveying a stream of sheets from a sheet pile to a sheet-processing machine Oct. 24, 2006
7118103 Device for conveying sheets through a printing machine Oct. 10, 2006
7111843 Sheet-processing machine having a suction air producing device Sep. 26, 2006
7014187 Vacuum plenum system for facilitating the high-speed conveyance of mail pieces Mar. 21, 2006
7011302 Vertical pocket feeder Mar. 14, 2006
7007940 Banknote store Mar. 7, 2006
6978994 Device for lateral movement of sheets Dec. 27, 2005
6965750 Image forming apparatus Nov. 15, 2005
6947701 Image forming apparatus and image forming method Sep. 20, 2005
6932339 Transport device for sheet or web material Aug. 23, 2005
6918588 Device for separating printing products transported in an imbricated formation into a succession of spaced printing products Jul. 19, 2005
6901238 Fuser entry guide with variable vacuum for a marking engine May. 31, 2005
6834949 Device for simultaneously holding by suction and transporting a sheet Dec. 28, 2004
6793217 Stacker for die-cut products Sep. 21, 2004
6745685 Stencil printing device Jun. 8, 2004
6746015 Transport device for flat goods, especially paper Jun. 8, 2004
6672720 Printer with vacuum platen having movable belt providing selectable active area Jan. 6, 2004
6663550 Smoothing device for flat printing materials Dec. 16, 2003
6658973 Device for transferring two-dimensional products onto a transportation device Dec. 9, 2003
6640706 Guiding device for an areal printing material Nov. 4, 2003
6598872 Sheet braking device with replaceable support element Jul. 29, 2003
6591749 Printing machine with improved vacuum transfer Jul. 15, 2003
6591748 Device for braking sheets Jul. 15, 2003
6588580 Apparatus for the transport of workpieces in particular of suspended, panel-shaped workpieces Jul. 8, 2003
6582072 Linefeed control in belt-type printers Jun. 24, 2003
6575459 Recording-medium transport device Jun. 10, 2003
6575460 Device and method for feeding objects Jun. 10, 2003
6572520 Apparatus for transporting envelope blanks in an envelope making machine Jun. 3, 2003
6494452 Method and apparatus to decelerate printed product in a stacking process Dec. 17, 2002
6467410 Method and apparatus for using a vacuum to reduce cockle in printers Oct. 22, 2002
6460842 Device for superposing sheets of paper or the like Oct. 8, 2002
6460844 Cut sheet streamer and merger Oct. 8, 2002
6454259 Sliding valve vacuum holddown method and apparatus Sep. 24, 2002
6409332 Low flow vacuum platen for ink-jet hard copy apparatus Jun. 25, 2002
6402134 Process and apparatus for attaching flat products Jun. 11, 2002
6394596 Belt-type media support for a printer May. 28, 2002
6332489 Apparatus for sticking sheet material Dec. 25, 2001
6270629 Web handling apparatus Aug. 7, 2001
6254092 Controlling vacuum flow for ink-jet hard copy apparatus Jul. 3, 2001
6168370 Vacuum module for tortilla counter-stacker Jan. 2, 2001
6155558 Feeding table for sheets in a feeder of a sheet-fed printing press Dec. 5, 2000
6131901 Sheet-stacking device, suction conveyor, and suction belt for sheet stackers Oct. 17, 2000
6086063 Sheet stacking apparatus Jul. 11, 2000
6056287 Device and method for depositing printed sheets on a stack without smearing May. 2, 2000
6048163 Mechanism to retrieve and stack container separation sheets by stacking, squaring and positioning such sheets on a floor level pallet Apr. 11, 2000
6026276 Apparatus for handling color transparencies using vacuum switching Feb. 15, 2000
6022017 Method for handling a small gap order change in a corrugator Feb. 8, 2000
5979890 Sheet transfer system Nov. 9, 1999

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