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Class 271/196 - Unidirectionally-moving suction member or surface


Subclass of Class 271 - Sheet feeding or delivering
Definition: Device wherein the removing means includes an element that
No. of patents: 168
Last issue date: 11/13/2012


1          
NumberTitleIssue Date
8308156Feeding 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
8070156Sheet 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
7624980Tool-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
7431288Print 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
7401777Apparatus 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
7387298Synchronized 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
7374167Method 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
7293770Sheet-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
7275742Apparatus 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
7219890Valve 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
7213808Enclosure-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
7210679Method 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
7118103Device 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
7111843Sheet-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
7014187Vacuum 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
7007940Banknote 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
6901238Fuser 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
6896258Sheet-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
6840733Apparatus 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
6834949Device 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
6793217Stacker 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
6745685Stencil 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
6722652Sheet-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
6719031Device 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
6702277Delivery 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
6612235Sheet 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
6604623Article 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
6581517Printing-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
6561510Sheet 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
6520496Apparatus 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
6454259Sliding 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
6406017Recording 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
6357869Print 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
6270075Vacuum 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
6230779Labeling 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
6209867Sliding 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
6182959Method 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
6170819Non-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
6155558Feeding 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
6139004Assembly 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
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