Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8042799 | Vacuum level switch for a vacuum corrugated feeder This invention provides a simple vacuum level switch to be used inside the feedhead's vacuum plenum to detect when the vacuum level exceeds a predefined threshold. This switch is composed of an opening in the plenum that is covered by a cap which is in turn spring-l... | 10/25/2011 |
| 7461839 | Sheet feeding apparatus and image forming apparatus A sheet feeding apparatus for blowing air against sheets in feeding the sheets. The apparatus includes a suction duct disposed over a sheet stacking unit and having a suction opening facing the sheet stacking unit, a negative pressure generating unit for generating ... | 12/09/2008 |
| 7357390 | Devices for aligning sheets and a method for aligning sheets transversal to the direction of travel of the sheets A device is provided for use in the alignment of sheets transverse to a direction of sheet travel. A sheet retaining device, which conveys the sheets, is displaceably mounted for holding the sheets against a side guide. At least two sheets are situated one above the... | 04/15/2008 |
| 7328895 | Sheet feeder vacuum feed head with variable corrugation A sheet separating and feeding system for separating a top sheet from a stack of sheets for sheet feeding, wherein a vacuum feed head has a two dimensional array of multiple vacuum tubes for vacuum engaging the top sheet, and a control system whereby at least a port... | 02/12/2008 |
| 7322574 | Separator sheet handling assembly The present invention is embodied in a separator sheet handling assembly 10 that includes a lifting assembly 20 adapted to receive a pallet 12 containing a stack of separator sheets 14. The lifting assembly 20 positions the stack o... | 01/29/2008 |
| 7258336 | Integrated vacuum slide feeder A sheet feeder assembly for acquiring and conveying a sheet comprises a plenum connectable to a vacuum source and having an opening facing the sheet to be conveyed, and a slide plate covering the opening. The slide plate has an acquisition surface facing the sheet t... | 08/21/2007 |
| 7238253 | Bag manufacturing system A placement component rapidly moves individual bag blanks from a pack or magazine to a conveyor system in uniformly spaced relationship. Each bag blank has opposite surfaces. While the conveyor system continues to move the bags, opening tabs are automatically applie... | 07/03/2007 |
| 7198264 | Sheet supplying device In a sheet supplying device for feeding a sheet from a sheet stack configured by stacking plural sets of sheets collated by page order, each of which corresponds to one volume, for each set of sheets, in a state where the sheets are superimposed on one another so as... | 04/03/2007 |
| 7172191 | Method of feeding porous sheets of media from media stack A method of feeding porous sheets from a stack is provided in which one or more air outlet nozzles and one or more air inlet nozzles are positioned in a pick-up position proximate a first sheet of the stack, a flow of air from the outlet nozzle(s) sufficient to pene... | 02/06/2007 |
| 7172116 | Automatic dispensing machine of cards and card like goods Dispensing more than one card or card like good is prevented to prevent issuing a duplicate with an automatic dispensing machine of card or card like good having a table which supports the piled up card or card like good. A sucking device is located over the table a... | 02/06/2007 |
| 7171881 | Angled product transfer conveyor A vacuum conveyor is provided comprising an endless perforated belt which extends over a first vacuum plate and a second vacuum plate, which vacuum plates may be maintained at different air pressures and may be situated at different angles relative to horizontal. An... | 02/06/2007 |
| 7168698 | Sheet sucking/removing method and sheet sucking/removing device In a sheet sucking/removing device, suction cups are controlled to a state of a first negative pressure which is a minimum pressure needed to suck and remove only one uppermost printing plate, and sucking/removing is carried out. Thereafter, the suction cups are con... | 01/30/2007 |
| 7150456 | Sheet transport drum for a machine processing printing-material sheets A machine processing printing-material sheets contains a first sheet transport drum and a second sheet transport drum disposed immediately after the first sheet transport drum in a sheet transport direction. The first sheet transport drum has gripper systems which d... | 12/19/2006 |
| 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 |
| 7108258 | Apparatus for feeding flat items The invention relates to a device for the delivery of flat objects to a friction/suction picking device with a suction head, the objects standing in a stack on a thin edge thereof on a support surface arranged on a stop surface and transported in the direction of th... | 09/19/2006 |
| 7063499 | Conveyor system A conveyor system able to safety convey a workpiece having a thickness of less than 100 μm and easily position the workpiece, provided with a plate-shaped member provided movably and swivelably and a moving and swiveling means moving and swiveling the plate-shaped ... | 06/20/2006 |
| 7014185 | Spring-action suction head In a spring-action suction head for separating sheets from a sheet stack, a first suction chamber, which can be subjected to vacuum is provided for lifting the sheet. The first suction chamber is surrounded coaxially by a second suction chamber, which can be subject... | 03/21/2006 |
| 7007942 | Panel handling apparatus An apparatus and method for lifting, separating and transporting a top panel from a stack of panels through the application sequential suction forces. The apparatus and method uses a vacuum conveying system wherein a sequence of suction forces is exerted from one or... | 03/07/2006 |
| 7007944 | Pulsed airknife control for a vacuum corrugated feed supply A method of operating a vacuum corrugated belt feeder with positive air pressure-separator during a feed cycle wherein the vacuum and the positive pressure air are controlled by a vacuum valve and a positive air pressure valve respectively, wherein the paper is take... | 03/07/2006 |
| 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 |
| 6918582 | Sheet feeder for a sheet handling machine A sheet feeder comprising a platform for stacking sheets and feed head assembly at the front of the platform for acquiring individual sheets from the stack and feeding separate sheets into a sheet handling machine. The feed head assembly is comprised of a vacuum ple... | 07/19/2005 |
| 6918581 | Paper sheet take-out apparatus A paper sheet take-out apparatus comprises a paper feed table on which paper sheets are placed as a stack, a take-out rotor which absorbs and takes out the uppermost paper sheet placed on the paper feed table, and a positioning mechanism which positions the uppermos... | 07/19/2005 |
| 6896252 | Device for lifting a porous sheet from a stack of such sheets A device for lifting a porous sheet from a stack of such sheets includes a gas stream supply mechanism that is configured to generate a gas stream and is positioned so that, in use, the gas stream impinges on a first sheet of the stack. The gas stream supply mechani... | 05/24/2005 |
| 6854724 | Pneumatic sheet transportation A method of separating a sheet of print media from a stack of sheets, the sheets being porous, includes blowing fluid on to a top surface of a topmost sheet of the print media on the stack so that the fluid passes through at least the topmost sheet of the stack and ... | 02/15/2005 |
| 6834851 | Sheet feeding apparatus for feeding porous sheets of media from a stack of such sheets A sheet feeding apparatus for feeding porous sheets from a stack includes an air displacement device having an outlet conduit. Outlet nozzles are connected to the outlet conduit. The outlet nozzles are displaceable between a pick-up position proximate a first sheet ... | 12/28/2004 |
| 6820871 | Printer for printing on porous sheets of media fed from a stack of such sheets A printer for printing on porous sheets of media fed from a stack of such sheets includes a gas stream supply mechanism that is configured to generate a gas stream and is positioned so that, in use, the gas stream impinges on a first sheet of the stack. The gas stre... | 11/23/2004 |
| 6726200 | Apparatus and method for adjusting an air flow influencing a sheet transport in a printing machine The apparatus and the method serve to adjust an air flow, which varies sheet transport, in a printing machine. The apparatus has an air flow regulating device. An operating parameter of the air flow that varies the sheet transport serves as a controlled variable. Th... | 04/27/2004 |
| 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 |
| 6659447 | Method of transporting a sheet of media from a stack of sheets A method of separating a sheet of print media from a stack of sheets, the sheets being porous, includes blowing fluid on to a top surface of a topmost sheet of the print media on the stack so that the fluid passes through at least the topmost sheet of the... | 12/09/2003 |
| 6655678 | Suction gripping unit A suction gripping unit (7; 107) having a suction head (15; 115), which has a cavity (18; 118) for gripping a blank, is connected to a suction pump (14) by a conduit (20; 120) controlled by a valve (22; 122) housed inside the conduit (20; 120) and recipro... | 12/02/2003 |
| 6648321 | Sheet separator using fluid assist for moving a sheet from a stack An apparatus for separating a sheet of print media from a stack of porous sheets includes a sheet conveyor for conveying a topmost sheet of print media which has been separated from the stack to a printing station of a printer. A separator is associated w... | 11/18/2003 |
| 6575450 | Singulation mechanism An improved singulation mechanism is provided for flat articles having significant variations in size, thickness and weight, which mechanism utilizes at least two vacuum chambers positioned behind a moving perforated to feed the articles and selectively c... | 06/10/2003 |
| 6490843 | Carton feeding method and apparatus A carton feeder for a continuous motion packaging machine utilizes a speed compensation mechanism implemented through a rotating valve assembly and actuation system. The rotating valve assembly provides a vacuum and compression to vacuum cups, for facilit... | 12/10/2002 |
| 6443444 | Singulation mechanism A singulation mechanism is provided for use in a handling system for mail or other substantially flat articles, the mechanism having a singulation head with a drive mechanism which, in accordance with a first aspect of the invention, initially moves an ar... | 09/03/2002 |
| 6442914 | Tagging system for inserting tags into plant containers A tagging apparatus for placing tags into a container includes a support surface for holding at least one container, a tag insert assembly frame, a tag holder, and a tag handler mounted to the tag insert assembly frame. The tag handler includes an arm and... | 09/03/2002 |
| 6416049 | Singling apparatus for flat sheet material The present invention relates to an apparatus for singling flat material to be conveyed having a suction device, with openings in the suction device defining an area within which the suction device grasps the material to be singled. Known singling devices... | 07/09/2002 |
| 6349930 | Lifting sucker and method of operating a lifting sucker A method of operating a lifting sucker which takes sheets off a pile, the sheets being picked up and lifted by suction, which comprises determining at least one of the physical variables characterizing the method and comparing it with an associated desire... | 02/26/2002 |
| 6332607 | Apparatus and method for separating sheets from a stack that includes a pulsed suction assembly For individually separating outer sheets (9, 109) of a stack (6, 106) in a holder (1, 101), in each case in the area of an outer sheet or an outer set of sheets a suction is generated for sucking at least a portion of an outer sheet or set of sheets (9, 1... | 12/25/2001 |
| 6311457 | Carton feeding method and apparatus A carton feeder for a continuous motion packaging machine includes a speed compensation controller and a solenoid dual valve assembly, which enable the feeder to operate at higher speeds. The dual valve assembly includes a vacuum valve coupled to an air p... | 11/06/2001 |
| 6299155 | Method of and apparatus for feeding sheets An apparatus for feeding a sheet has a pair of suction cups movable into and out of a cassette, a displacing mechanism for displacing the suction cups between a position in the cassette and a sheet delivering mechanism to cause the suction cups to transfe... | 10/09/2001 |
