"Flight by machines heavier than air is unpractical and insignificant, if not utterly impossible."
Simon Newcomb, astronomer ; Said in 1902, less than two years before the first flight at Kitty Hawk
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| Number | Title | Issue Date |
| 8308156 | Feeding mechanism for printer A feeding apparatus for print media comprises a pressure roller that is provided at an upstream side of an image forming section in a feeding direction of the print media and rotates with being pressed onto an upper surface of a feeding path. The pressure roller inc... | 11/13/2012 |
| 8070156 | Sheet adsorption device, transport device, and image forming apparatus A sheet adsorption device includes a sheet adsorbing surface, a suction hole disposed on the sheet adsorbing surface, and a flow path shifting unit that shifts between a first state and a second state of a communication flow path that is communicated with the suctio... | 12/06/2011 |
| 7624980 | Tool-less rotary vacuum wicketter assembly A rotary vacuum wicketting arrangement has a rotary hub body positioned on a shaft or spindle and supporting a number of pickup arms, and a non-rotating vacuum spinning head that provides vacuum to the rotating hub body and pickup arms over a portion of their arcuat... | 12/01/2009 |
| 7431288 | Print media flipping mechanism and method Apparatus for delivering a sheet to a surface, comprising a rotating gripper that receives and grips the sheet at or near a leading edge thereof at a first position and delivers the leading edge to a second position, the first and second positions being situated alo... | 10/07/2008 |
| 7401777 | Apparatus for supplying a shingled or overlapping sheet stream The invention relates to a device for supplying a shingled or overlapping sheet stream from a stack of sheets of a sheet feeder to a feed table of a sheet-processing machine with a belt table. The belt table is provided with at least one revolvingly driven suction b... | 07/22/2008 |
| 7387298 | Synchronized vacuum belt feeder A vacuum belt feeder comprising a means of conveyance having a pitch, for retrieving items from a supply zone, and then distributing them at target locations in a discharge zone. ... | 06/17/2008 |
| 7374167 | Method and apparatus for controlling the vacuum distribution in an exposer for printing originals A method and an apparatus for controlling the vacuum distribution in an exposer for recording printing originals. The recording material for the printing originals is held firmly on a supporting surface by negative pressure. The recording material being attracted by... | 05/20/2008 |
| 7293770 | Sheet-transporting device having a suction belt module with a blower A device for transporting sheets to a sheet processing machine includes a feed table, and at least one suction belt endlessly revolvable over the feed table. The suction belt is subjectible to vacuum from suction regions of different pressure levels disposed behind ... | 11/13/2007 |
| 7275742 | Apparatus with springs for conveying sheets in a printing press An apparatus for conveying sheets in a printing press makes reliable sheet guiding possible with a low outlay on material and at low cost and includes an apparatus for conveying sheets in a printing press having at least one conveyor element for a sheet along a conv... | 10/02/2007 |
| 7219890 | Valve system for the count roll of an interfolding machine An interfolding machine includes an assembly for and method of separating overlapped sheets of material at a desired sheet count. The assembly includes a vacuum assembly with a manifold having a plurality of vacuum inlet ports coupled to a valve body having a plural... | 05/22/2007 |
| 7213808 | Enclosure-collating device, in particular for mail-processing installations In an enclosure-collating device, in particular for mail-processing installations, a shorter dimensioning of the enclosure-conveying compartments on a collating path in the direction of the enclosure conveying on said collating path is achieved in that enclosures ar... | 05/08/2007 |
| 7210679 | Method for conveying sheets through a printing machine and apparatus for implementing the method A method for conveying sheets through a printing machine and an apparatus for conveying the sheets permit adaptation of a sheet brake to various sheet thicknesses by reducing a speed of the sheets in the direction of advance by bringing the sheets individually one a... | 05/01/2007 |
| 7118103 | Device for conveying sheets through a printing machine A device for conveying sheets through a printing machine, in particular through an ink jet printing apparatus, permits adaptation to different printing material thicknesses and ensures reliable transport. The conveying device has a conveyor belt which runs over defl... | 10/10/2006 |
| 7111843 | Sheet-processing machine having a suction air producing device A sheet-processing machine includes a revolving sheet holding device for aiding in transporting sheets to be processed. A device for producing suction air or air blast has a movable air delivery element accommodated on the revolving sheet holding device. An actuatin... | 09/26/2006 |
| 7014187 | Vacuum plenum system for facilitating the high-speed conveyance of mail pieces A new and improved article or mail-piece conveyor system has a vacuum plenum system integrally incorporated therein which effectively withdraws ambient air ahead or downstream of the oncoming conveyed articles or mail pieces such that the oncoming conveyed articles ... | 03/21/2006 |
| 7007940 | Banknote store A banknote store can remove banknotes individually from a stack by light air pressure extending over a substantial area of the banknote, the banknote then being transportable without needing to move the source of the reduced pressure. Banknotes are added individuall... | 03/07/2006 |
| 6901238 | Fuser entry guide with variable vacuum for a marking engine A method and apparatus for increasing the efficiency of a vacuum-assisted, fuser entrance guide in a marking engine by varying the vacuum on the guide as a sheet of marking medium moves thereacross wherein a low vacuum is applied on the guide while the sheet of mark... | 05/31/2005 |
| 6896258 | Sheet-fed press and intermediate cylinder for sheet-fed press An intermediate cylinder comprising a main body, and a plurality of suction boxes formed in the main body at positions different with respect to a rotation axis of the main body. The intermediate cylinder further comprises a plurality of suction bores formed in the ... | 05/24/2005 |
| 6840733 | Apparatus for transporting and stacking goods, in particular in the form of plates, and corresponding process The apparatus (10) serves for transporting and stacking goods (12), in particular in the form of plates such as metal plates or the like, and includes a feed transport device (14), which is connected to a stacking device (16). In this app... | 01/11/2005 |
| 6834949 | Device for simultaneously holding by suction and transporting a sheet A device for holding a sheetlike article on a movable underlying surface for transporting the sheetlike article in at least one direction selected from the group consisting of a direction into and a direction out of an operating station having a printing unit, inclu... | 12/28/2004 |
| 6793217 | Stacker for die-cut products A stacker for stacking labels die-cut from a continuous web by a die cutter into vertical stacks. The stacker is of the kind that includes at least one stacking chute having an upper opening and a number of mainly vertically arranged walls, at least one overlying be... | 09/21/2004 |
| 6745685 | Stencil printing device A stencil printing machine having an exfoliation suction apparatus including a case having a guide plate at its upper face, a suction force generating portion provided at the case and an exfoliation suction port provided at one end portion of the guide plate for con... | 06/08/2004 |
| 6722652 | Sheet-fed press and intermediate cylinder for sheet-fed press An intermediate cylinder comprising a main body, and a plurality of suction boxes formed in the main body at positions different with respect to a rotation axis of the main body. The intermediate cylinder further comprises a plurality of suction bores formed in the ... | 04/20/2004 |
| 6719031 | Device for cutting out an article from a long tape and adhering the article to an adhesive tape Device for cutting out articles from a long tape and adhering the articles to an adhesive tape comprises a cutting roll, an adhering roll and a transfer device for transferring the cut-out articles to the adhesive tape. The cutting roll carries blade forms for cutti... | 04/13/2004 |
| 6702277 | Delivery device for the sections of a strip of film The invention relates to a delivery device for the sections of a strip of film that are fed in a direction of conveyance, especially in a bead welding machine, comprising a rotor (40) that is driven and rotated around an axis (40) lying parallel thereto o... | 03/09/2004 |
| 6612235 | Sheet guiding device A guiding device in a machine for processing sheets of printing material includes unthrottled air nozzles for contact-free guidance of the sheets, and throttled air nozzles arranged at locations which are prone to contact by the sheets; and a machine for ... | 09/02/2003 |
| 6604623 | Article transfer apparatus With an article transfer apparatus 1 of the present invention, when a negative pressure is applied on an air outlet 20 in a non-attracting state, the amount of air that is sucked through suction holes 6 in a front attracting section 2f is greater than the... | 08/12/2003 |
| 6581517 | Printing-machine cylinder, especially an impression cylinder, for a sheet-fed rotary printing machine, and method of production A printing-machine cylinder includes a basic cylinder body and a covering element fitted to the basic cylinder body, one of the basic cylinder body and the covering element being formed with a multiplicity of recesses connectable to one of a suction-air s... | 06/24/2003 |
| 6561510 | Sheet material fixing device using suction holes with shut off A sucking hole is formed at a longitudinal groove at a leading end chuck side end of the longitudinal groove. In a clamp of the leading end chuck, a shut-off valve facing the sucking hole is provided at a clamp portion which opposes a leading end of the p... | 05/13/2003 |
| 6520496 | Apparatus and process for transporting supplementary products The apparatus according to the invention, which serves for transporting supplementary products, in particular sheet-like printed products provided with adhesive, from a receiving location to a discharge location, has at least one retaining element which i... | 02/18/2003 |
| 6454259 | Sliding valve vacuum holddown method and apparatus A vacuum holddown has a holddown member with an outer surface for temporarily capturing a flexible sheet material via a vacuum force distributed across the outer surface through discrete vacuum channels. A vacuum force valving mechanism abuts an inner sur... | 09/24/2002 |
| 6406017 | Recording medium transportation apparatus In a recording medium transportation apparatus that transports a recording medium held attracted to a belt by air suction, the recording medium can be transported stably with generation of curling at the side end of the recording medium suppressed. A plur... | 06/18/2002 |
| 6357869 | Print media vacuum holddown A vacuum holddown for sheet materials has a surface having a field of vacuum ports in which each individual port is gated. When a vacuum is applied to the underside of the holddown, the gates close. When a sheet of material is introduced onto a region of ... | 03/19/2002 |
| 6270075 | Vacuum transport for use in a xerographic printer A vacuum transport for a printer or copier guides a sheet through a machine, such as from a photoreceptor toward a fuser. The vacuum transport includes a partially enclosed vacuum chamber having rollers rotatably mounted therein. Portions of the rollers p... | 08/07/2001 |
| 6230779 | Labeling apparatus with enhanced bellows and associated method A labeler includes at least one bellows movable between extended and retracted positions. The bellows preferably includes a venturi member for applying or maintaining a vacuum to hold the label as the bellows is extended outwardly by positive pressure cou... | 05/15/2001 |
| 6209867 | Sliding valve vacuum holddown A vacuum holddown has a holddown member with an outer surface for temporarily capturing a flexible sheet material via a vacuum force distributed across the outer surface through discrete vacuum channels. A vacuum force valve mechanism abuts an inner surfa... | 04/03/2001 |
| 6182959 | Method and devices for conveyance of sheets The invention relates to a method for conveyance of sheets, in which said sheets are advanced or slowed down in such a manner that a distance is altered. A value of said change in distance can be preselected.... | 02/06/2001 |
| 6170819 | Non-contact sheet handling system and method of using same A non-contact sheet handling system includes a first valve controlling air flow to a manifold and a second valve controlling air flow from the manifold to an air pan. A non-contact plate having venturis covers the air pan. In an alternate embodiment, the ... | 01/09/2001 |
| 6155558 | Feeding table for sheets in a feeder of a sheet-fed printing press A feeder for a sheet-fed printing press includes a feeding table having a surface which, at least in subregions thereof, is formed with through openings, over which sheets separable or singlable by a suction head are transportable against lays for alignin... | 12/05/2000 |
| 6139004 | Assembly and method for rotating and placing strip of material on a substrate An assembly and method for rotating and placing a strip of material on a substrate making use of a conveyor which includes a contour-changing conveyance surface on which a strip of material is conveyed and a rotatable transfer element. The rotatable trans... | 10/31/2000 |