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Class Information
Number: 271/194
Name: Sheet feeding or delivering > Delivering > By pneumatic conveyor
Description: Device wherein the removing means includes a gaseous fluid medium under subatmospheric or above-atmospheric pressure.










Sub-classes under this class:

Class Number Class Name Patents
271/196 Unidirectionally-moving suction member or surface 191
271/195 Using pressurized gas 220


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8684516 Table for a printer Apr. 1, 2014
8544842 Sheet transport device Oct. 1, 2013
8434761 Alternating grooved beltless vacuum transport roll May. 7, 2013
8408539 Sheet transport and hold down apparatus Apr. 2, 2013
8393729 Continuous web printer with air platen Mar. 12, 2013
8393730 Continuous web printer with flat print zones for printing opposing sides of the web Mar. 12, 2013
8353503 Edge alignment control apparatus for sheet material Jan. 15, 2013
8322712 Sheet material transporting device and image forming device Dec. 4, 2012
8240661 Cross process shuttering of a vacuum transport system Aug. 14, 2012
8177231 Conveying body and image forming device May. 15, 2012
8167307 Image forming apparatus May. 1, 2012
8132883 Image forming apparatus and sheet transporting apparatus Mar. 13, 2012
8123222 Compliant conveyance system for mailpiece transport along an arcuate feed path Feb. 28, 2012
8113515 Paper sheet transporting device and image forming apparatus using the same Feb. 14, 2012
8070156 Sheet adsorption device, transport device, and image forming apparatus Dec. 6, 2011
8066282 Apparatus for feeding and aligning sheets fed to a processing machine, in particular a printing machine Nov. 29, 2011
8002266 Pickoff mechanism for mail feeder Aug. 23, 2011
7963522 Internal sliding baffles for controlling air flow in a vacuum transport Jun. 21, 2011
7938764 Continuous feeder for paper folding machine and paper folding machine incorporating the same May. 10, 2011
7866662 Synchronized vacuum belt feeder Jan. 11, 2011
7819519 Printing moving substrates Oct. 26, 2010
7731186 sheet transport apparatus and method for transporting a sheet in a printing machine Jun. 8, 2010
7644917 Apparatus for handling sheet products with grip assembly on rails Jan. 12, 2010
7628396 High speed shingled sheet compiler Dec. 8, 2009
7597325 Method and device for conveying sheetlike articles Oct. 6, 2009
7562871 Pressurized air assist system for feeding overlapping sheets to an interfolder Jul. 21, 2009
7549636 System and method for ejecting print media from a moveable shuttle Jun. 23, 2009
7464929 Apparatus for carrying or guiding a printing material sheet Dec. 16, 2008
7448616 Attacher having soft nip rollers Nov. 11, 2008
7431290 Device for guiding a print carrier, method for producing a print carrier guiding device and machine for processing a print carrier Oct. 7, 2008
7392984 Process for guiding printing media and printing media guide Jul. 1, 2008
7387298 Synchronized vacuum belt feeder Jun. 17, 2008
7384035 Configuration for generating throttled blowing air or suction air Jun. 10, 2008
7384036 Sheet handling device for wide format sheets Jun. 10, 2008
7296792 Self-valving vacuum distribution for a belt-driven sheet conveyor Nov. 20, 2007
7219889 Sheet-processing machine with a pneumatic sheet-guiding device May. 22, 2007
6969066 Passive vacuum transport Nov. 29, 2005
6957035 Vacuum assisted fuser entrance guide for an electrophotographic machine Oct. 18, 2005
6948430 Printing plate conveyor system Sep. 27, 2005
6927841 Holddown device for hardcopy apparatus Aug. 9, 2005
6896258 Sheet-fed press and intermediate cylinder for sheet-fed press May. 24, 2005
6834949 Device for simultaneously holding by suction and transporting a sheet Dec. 28, 2004
6793217 Stacker for die-cut products Sep. 21, 2004
6739775 Apparatus for positioning receiving material during the application of an ink image thereto May. 25, 2004
6722652 Sheet-fed press and intermediate cylinder for sheet-fed press Apr. 20, 2004
6663550 Smoothing device for flat printing materials Dec. 16, 2003
6648326 Delivery for a machine processing flat printing materials Nov. 18, 2003
6419217 Drawings-in- of paper webs Jul. 16, 2002
6386536 Hardcopy apparatus and method for loading media May. 14, 2002
6322265 Vacuum workbed Nov. 27, 2001

1 2 3










 
 
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