Famous Patents
3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Number | Title | Issue Date |
| 7871070 | Material handling apparatus A conveyor conveys sheets and deposits the sheets at a location to be stacked. The conveyor includes a sensor for determining the presence of a sheet before the sheet arrives at the location. A controller is coupled to the sensor and responsive to sensor inputs for ... | 01/18/2011 |
| 7748706 | Image forming device An image-forming device includes an extension tray and an engaging unit. The cover member is capable of opening and closing thereon. The extension tray is rotatably attached to an upper part of the cover member. The engaging unit engages the cover member with the ma... | 07/06/2010 |
| 7651089 | Method and device for forming stacks of flat elements A method and a device is provided for forming stacks of flat elements in a stacking region, the flat elements being guided to the stacking region substantially continuously. The flat elements are stacked on a main stack carrier. Upon achieving a finished stack of a ... | 01/26/2010 |
| 7401775 | Apparatus for aligning sheets which are deposited on a sheet stack In an apparatus for aligning sheets that are deposited on a sheet stack, there are sheet leading edge stops disposed so as to be vertically displaceable by a common leading edge shaft. An auxiliary stack carrier that is to be introduced into the stack region for non... | 07/22/2008 |
| 7364398 | Apparatus and method for stacking sheets discharged from a starwheel assembly An apparatus and method for moving stacks of product discharged from a stacking device. The apparatus includes a first conveyor movable at a first speed and a second conveyor movable at a second speed. The first conveyor includes an upstream end adjacent to the stac... | 04/29/2008 |
| 7354039 | Apparatus for picking up an auxiliary pile during renewal of a main pile when feeding sheets to a printing machine An apparatus for picking up an auxiliary pile during a renewal of a main sheet pile when feeding sheets to a printing machine. The apparatus has loadbearing elements arranged on a holder for the auxiliary pile, and a positioning device for the loadbearing elements u... | 04/08/2008 |
| 7216863 | Sheet processing apparatus above image forming means and image forming apparatus A sheet processing apparatus, which is configured in a simple construction and at low cost, includes a first sheet stacking portion for temporarily stacking a sheet discharged thereon, an alignment member for aligning the sheet discharged on the first sheet stacking... | 05/15/2007 |
| 7185886 | Sheet delivery device of a sheet-fed press A sheet delivery device for a sheet-fed press which is arranged to avoid the crushing of sheets, comprises a shutter device having a shutter bar unit that is movable between an operation position and a stand-by position. In the operation position the shutter bar uni... | 03/06/2007 |
| 7178801 | Accumulating and delivering apparatus for cardboard sheets An apparatus for accumulating and delivering folded cardboard sheets includes at least a pair of stacking bases moveable along a loop including a stacking position for stacking the cardboard sheets on the stacking bases and a delivering position for delivering the p... | 02/20/2007 |
| 7175382 | Device and method for separating packs of laminar products from one another The device comprises a guide (23) defining a closed for a plurality of separator fingers (15). In the vicinity of the end of the advance stretch of the guide is set a separating member (101) provided with a movement of insertion and extraction (... | 02/13/2007 |
| 7137234 | Vertical flat stacking apparatus and method of use A device and method for stacking product into a container in a vertical orientation. The device includes at least one pivoting mechanism pivotable between a loading position and an initial/final position. The at least one pivoting mechanism retains a container there... | 11/21/2006 |
| 7125216 | Device for loading a three-knife trimmer In a device for loading a three-knife trimmer with brochures, periodicals or like bound book blocks (1), comprising a feed conveyor (4), a stacking device (16) operable in magazine mode and counted stack mode and including a magazine (17)... | 10/24/2006 |
| 7029008 | Accumulating device and circulating type bank note depositing and dispensing machine To provide an accumulating device 71 that is capable of securely accumulating sheets or the like P having dimensional differences on the basis of the rear ends in the taking-in direction thereof. The stopper 111a advances from upward to t... | 04/18/2006 |
| 7007946 | Device for depositing sheets on a stack Apparatus for depositing sheets on a stack, which permits essentially free access to the stack and can be implemented with a low outlay of materials and costs. The apparatus includes on the side of the stack (1) that faces a machine, tongues (5, 6) wit... | 03/07/2006 |
| 6988721 | Device for stacking of sheets The present invention relates to a device for stacking of sheets. A high-speed printer is provided for printing the sheets or at least one continuous web which is cut to sheets (2). The stacking device is provided to receive sheets in at least one flow (AS... | 01/24/2006 |
| 6978996 | Flat printing material-processing machine with an auxiliary pile carrier A machine for processing flat printing material, in particular a sheet processing rotary printing press, includes at least one processing station in the form of a printing unit, a feeder for loading the processing station with sheets of the printing material, a deli... | 12/27/2005 |
| 6923584 | Image forming apparatus A printer includes a front panel having an approximately flat main surface which serves as one of the surfaces of the external housing of the printer, a feed-tray attachment hole for detachably attaching a feed tray which stores a paper sheet to the main body of the... | 08/02/2005 |
| 6915909 | Device for receiving multi-format envelopes This invention relates to a device for receiving envelopes, or stacker, for a mail handling machine, comprising a conveyor belt arranged at the exit of the mail handling machine, for receiving these envelopes and conveying them perpendicularly to a direction of adva... | 07/12/2005 |
| 6860481 | Sheet stacking device A sheet stacking device for stacking sheets of generally rigid material, comprised of at least one gripper device operable to releasably grip an edge of a sheet material and gripper drive means operable to move the gripper device from a first location to a second lo... | 03/01/2005 |
| 6840513 | Mail tray loader for inserters The invention is directed to an automatic mail tray loading device that is adapted to receive envelopes from an inserting machine or from other mail-processing systems and place them in mail trays. The device has a two-stage envelope buffer, which buffers the envelo... | 01/11/2005 |
| 6832886 | Apparatus and method for stacking sheets discharged from a starwheel assembly An apparatus and method for discharging sheets from a starwheel assembly and creating stacks of a desired number of sheets without interrupting the rotation of the starwheel assembly. The present invention separates sheets such that one separated sheet completes a s... | 12/21/2004 |
| 6776411 | Delivery for a machine for processing flat printing materials with adjustable pile underlay inserter conveyor A delivery for a machine for processing flat printing materials includes a pile-forming station wherein sheets conveyed to the machine in a processing direction are piled, a make-ready station located upline of the pile-forming station in the processing direction an... | 08/17/2004 |
| 6752586 | Reception station on a shaping press and a set of tools for a said station A master tool for a reception station on a press for shaping sheets of paper or cardboard, comprising a moving slide and a number of bars (1) adapted to form a grid for non-stop reception of blanks and a bottom separating tool comprising two boards (4, 5 | 06/22/2004 |
| 6695302 | Method and apparatus for separating a stream of spaced documents into discrete groups Documents are fed in a stream through the first station of a machine that senses the last page of each document along alternative paths in order to accumulate the groups in a staggered stack on a vertically adjustable elevator. When this staggered stack r... | 02/24/2004 |
| 6688083 | Drop control mechanism for flat articles This invention provides a mechanism for receiving flat articles, such as mail, moving in a travel path with a substantially horizontal orientation and for dropping selected such articles into either a single receptacle positioned below the mechanism or in... | 02/10/2004 |
| 6666450 | Swing gate A drop-box mechanism or system is disposed adjacent to an article conveyor and atop a flat mail storage tub and comprises a platen movable between first and second chambers at which the open top of the storage tub is respectively uncovered and covered. Wh... | 12/23/2003 |
| 6565083 | Delivery for a machine for processing sheet-like printing materials, in particular, a printing machine A delivery of a sheet-processing printing machine has a sheet-pile stacking station whereon a safety guard is provided which is suspended from a pivot pin and, at least during a regular sheet-pile forming process, provides a view of a downline top edge of... | 05/20/2003 |
| 6481708 | Delivery station for a converting press A delivery station for a converting press for paper or cardboard sheets having a transverse roller located downstream from the delivery area of a blanking station, and a movable carriage downstream from the roller. The carriage receives a plurality of bar... | 11/19/2002 |
| 6464449 | Collating apparatus with error detection According to the collating apparatus of the present invention, if the collation error is detected, the erroneously collated matter selection and discharge unit discharges the erroneously collated matter so as to be distinguishable from the correctly colla... | 10/15/2002 |
| 6446957 | Separating aid for a sheet-pile change in a printing machine A device for separating a sheet pile during the running operation of a pile-forming sheet-processing machine includes a separator which, when an auxiliary pile carrier is pushed into a sheet pile to be separated, is movable between a rear upper edge of th... | 09/10/2002 |
| 6394450 | Apparatus for delivery of printed sheets of paper or the like in successive stacks A delivery fan, comprising sets of blades at constant circumferential spacings, receives therebetween the sheets successively falling from an overhead infeed conveyor. The sheets fall off the delivery fan on hitting a set of abutment tines arranged interd... | 05/28/2002 |
| 6394741 | Apparatus for stacking sheets The invention relates to an apparatus for stacking at least two sheets, an apparatus comprising a vertically movable stacking platform and an intermediate support member with a width advantageously essentially equal to that of a stacking platform. The int... | 05/28/2002 |
| 6349934 | Reciprocating tray for sheet finisher A sheet accommodating device comprising a sheet-laid tray including a processing tray and a carrying tray; a discharge tray; a sheet accommodating unit; first, second and third sheet transporting paths for leading the discharged sheet to the sheet-laid tr... | 02/26/2002 |
| 6341934 | Collating apparatus A collating apparatus according to the present invention comprises a plurality of paper feed trays; a paper feed section for conveying a plurality of sheets stacked on the plurality of paper feed trays one by one at predetermined timing; a collating and c... | 01/29/2002 |
| 6283470 | Sheet treating apparatus with aligning device and image forming apparatus having the same A sheet treating apparatus capable of stacking discharged sheets in the shape of bundle, including a sheet stacking device so positioned that the downstream side in the discharging direction is higher than the upstream side and serving to stack the sheets... | 09/04/2001 |
| 6260838 | Stapling stacker A stapling stacker has a sheet infeed, a pivoted shelf on which the trailing ends of sheets are assembled with the leading ends supported by previously stacked sets, the sets are side edge aligned, stapled into sets and offset with respect to previously s... | 07/17/2001 |
| 6250628 | Arrangement for depositing sheets of a recording medium onto a stack Sheets are output by an office machine in collected form. The sheets are initially supported on their side edges by rest bars and support levers. The rest bars support the sheets on their side edges while the support levers support the sheets only in thei... | 06/26/2001 |
| 6238114 | Print media handling system and method of using same A print media handling system for an imaging apparatus having a media feed path includes a pair of media support members, each have a first wall defining a media contact surface and a support portion defining a media support surface. The pair of media sup... | 05/29/2001 |
| 6234473 | Zero feed interrupt sheet stacker A zero feed interrupt sheet stacker conveying an uninterrupted stream of sheets in which a sheet accumulator catches holds and deposits a stack of sheets upon a load receiving device. The accumulator includes a curtain which is extended into the stream of... | 05/22/2001 |
| 6155559 | Delivery system for flat products A device in a sheet delivery for accommodating flat printed products, the device having a lowerable auxiliary sheet stack frame arranged between two side walls of the sheet delivery, includes respective lifting devices to which the auxiliary stack frame, ... | 12/05/2000 |
