Class 271/237 - Alignment of imbricated sheets

Subclass of Class 271 - Sheet feeding or delivering
Definition: Device wherein the sheets to be positioned are arranged
No. of patents: 40
Last issue date: 03/16/2010

Number	Title	Issue Date
7677559	Apparatus for laterally aligning printed products The apparatus 10 has a conveyor 12 which may be configured as a multiple tape conveyor and the working section 14 of which, which is driven in a conveying direction (F), forms a supporting face 16 for the printed products 18 which ...	03/16/2010
7392981	Device for aligning stacked sheets into a book The invention concerns a device (01) for aligning at least along one edge several stacked sheets (09) into a book, while maintaining the serial order of sheets, said device comprising an editing table (11), having on one of its sides, a front st...	07/01/2008
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
7322575	Device and method for aligning a stack of sheets arranged one above the other The invention relates to a device and a method for aligning at least the front edge of several sheets arranged in a stack, one above the other, whilst maintaining the order of the sheets. Said device comprises a stacking table, one side of which is provided with a f...	01/29/2008
7156390	Devices for aligning sheets The invention relates to devices for aligning sheets (1), which are overlapped with an offset and supplied to the device by a stream feeder and which can be transferred to a device (63) that is located downstream, after alignment of the front edge and ...	01/02/2007
7121545	Independently activatable side pull for lateral alignment of a sheet A device and a method for lateral alignment of a sheet (5, 6) in a sheet processing machine, in which the sheet (5, 6) is movable essentially across its direction of transport (7) into an alignment position (4); a side pull lay device is ...	10/17/2006
7059595	Method and apparatus for controlling feeding of sheets A method and system for correcting the skew in mail-related items, which are caused to move by a driving mechanism in the mailing machine. The driving mechanism comprises at least two driving belts to drive the mail-related items by friction. A plurality of openings...	06/13/2006
6918588	Device for separating printing products transported in an imbricated formation into a succession of spaced printing products A device for separating an imbricated formation (2) of continuously conveyed printing products (1) into a succession of spaced printing products (1), comprises a first conveyor (3) driven at a first velocity (v1), a second conveyor...	07/19/2005
6669193	Device for aligning papers flowing in a stream An apparatus for adjusting paper copies which are skewed and for providing a shingled stream, the apparatus including an input, a singulating device having a vertically movable gate member, a first abutting surface formed on the gate member, a second fixe...	12/30/2003
6267372	Device for separating sheets in a pile The apparatus has an input pocket into which a stack of sheets is inserted. At least the sheet to be picked from the stack by the picking device is transported by means of a feed device to a picking device which then picks one sheet from the stack at a ti...	07/31/2001
5419256	Device for laterally aligning sheets being fed into a printing press and method for aligning the sheets A device for laterally aligning sheets in a printing machine can have a feeding table via which the sheets are stream-fed to front lays, and a corresponding side-pull device for laterally moving the sheets after having been aligned at the front lays. The ...	05/30/1995
5383656	Single drive nip sheet buffering system using independently driven rolls with different frictional properties A paper transport system includes an apparatus for controlling movement of the sheets along the predetermined course to provide sheet buffering. The apparatus includes first and second friction surfaces mounted for movement in orbital paths on opposite si...	01/24/1995
5300182	Laminator apparatus for making image proofs A laminating apparatus is provided to laminate a material such as paper stock. Once the paper stock is laminated an image is transferred to the laminated paper stock. The image transferred to the laminated paper stock appears as if the image had been prin...	04/05/1994
5288067	Method and apparatus for conveying an imbricated stream of sheets to a sheet processing machine A method and apparatus for adjusting the suction pressure drawn through a conveyor belt which conveys a stream of underlapping sheets to an alignment station where sheets are aligned prior to being fed to a sheet-processing machine. A source of high press...	02/22/1994
4928946	Vertical feed mechanism for documents An improved document feed mechanism for feeding documents in a vertical direction through at least two stations including a device for shingling the documents in at least one station by having successive ones of the documents overlap one another to thereb...	05/29/1990
4869487	Method for feeding a blocked sheet unit A method for feeding a blocked sheet unit for continuously taking out a blocked sheet unit from a sheet unit forming section and feeding the blocked sheet unit to a subsequent step, the method for feeding a blocked sheet unit comprises a first step of tak...	09/26/1989
4851075	Machines for collating forms A machine for providing a collation of a series of forms with partial overlap defined by a predetermined stagger from a continuous web of such forms has; a tractor feed for feeding the web into a separating station; bursting rollers for separating the web...	07/25/1989
4824094	Device for engaging a sheet with maintenance of register and disposed in the feeder plate of a rotary press A suction roll sheet transfer device disposed between a sheet feed table and the front lays of a sheet fed rotary printing press including a first set of suction rolls adapted for oscillating movement between a position substantially in the plane of said ...	04/25/1989
4736940	Apparatus for aligning an opening of a sack Apparatus for aligning a sack disposed at the leading end of a series of shingled sacks, which have been unwound from a roll of shingled sacks and which have openings at their leading ends. The sack is aligned by transversely spaced gripping rollers that ...	04/12/1988
4696465	Method and device for aligning sheets A method of aligning sheets during stream feeding of a multiplicity of sheets over a feed table to a first steadily rotating cylinder of a sheet-processing medium includes in a first feeding stage, conveying the sheets in an imbricated arrangement thereof...	09/29/1987
4667950	Apparatus for changing the spacing between the leaders of successive sheets in a stream of partially overlapping sheets A stream of partially overlapping paper sheets is advanced below one or more wheels which are driven by the sheets and transmit torque to one or more rotary disc cams which cooperate with a roller follower provided on an intercepting device having a palle...	05/26/1987
4651984	Method of and apparatus for accurate-register sheet transport in a printing machine In a paper transport conveyor from a sheet feeder to a printing machine, the sheets are underlapped for speed reasons and for this purpose, the sheets are held and transported in a defined position using a conveyor table to which a vacuum is applied. In o...	03/24/1987
4635925	Feeding device for sheet processing machines A feeding device for a sheet processing machine for stream feeding to the sheet processing machine, in mutually overlapping relationship, equally thick sheets taken singly from a pile of the sheets, in combination with an alignment device for laterally al...	01/13/1987
4634328	Mail singulation system A singulation system for receiving unsingulated mail at a singulation station and for passing to an output station singulated mail. The singulation system includes a camera for viewing the unsingulated mail at the output edge of the singulation station fo...	01/06/1987
4613125	Method and device for feeding sheets in register in a sheet-processing machine A method of feeding sheets in register in a sheet-processing machine wherein the sheets are conveyed in a given direction in the machine, which includes, during conveyance of the sheets, initially displacing the sheets, respectively, by means of an aligni...	09/23/1986
4588184	Method of flow-feeding sheets Assembly for stream feeding sheets overlappingly staggered relative to one another via a feed table to an aligning device and for delivering the sheets aligned by the aligning device to a sheet-processing machine, the assembly maintaining movement of the ...	05/13/1986
4541623	Alignment restraint station An improved alignment/restraint station for interposition in an automatic document feed path is disclosed. A unitary structure including back-up rollers and sawtooth restraint members is positioned downstream of the document separation station and transve...	09/17/1985
4447052	Apparatus for selectively transporting a stream of paper sheets or the like from a first path into one of several additional paths Apparatus for transporting a scalloped stream of paper sheets from a first horizontal path into an aligned second horizontal path or into a downwardly sloping third path has a flap which is pivotable in a gap separating the first and second paths between ...	05/08/1984
4395035	Air shingler There is disclosed apparatus for implementing a technique of shingling a stack (10) of cut sheets using fluid jets. Air (34), or other fluid under pressure, travels through a drum having exit holes arranged about its periphery. The passage of the air caus...	07/26/1983
4360196	Sheet-feeding arrangement A sheet-feeding arrangement for transferring sheets from supply stack to a printing machine includes a sheet-feeding table having a rear end and a front end. A pair of belt conveyors are provided in the arrangement for advancing a group of overlapped shee...	11/23/1982
4343462	Rocking auxiliary gripper system for sheet processing machines The reciprocating auxiliary gripper system includes a parallel linkage the coupler of which supports a spring-biased gripper in the form of a suction head which is lifted upon application of suction to a spring space, so that the sheet performs during its...	08/10/1982
4330117	Method and device for aligning sheets to be printed in a press The method comprises the steps of feeding from a stack of sheets to be printed the first sheet on a feedboard, aligning the leading edge of the sheet with a preliminary stop line whereby the sheet is brought to a rest position, sucking from below the prel...	05/18/1982
4257586	Method and device for aligning sheets to be printed in a press The method comprises the steps of feeding from a stack of sheets to be printed the first sheet on a feedboard, aligning the leading edge of the sheet with a preliminary stop line whereby the sheet is brought to a rest position, sucking from below the prel...	03/24/1981
4184673	Method of and an apparatus for aligning sheets advancing in an overlapping array to a printing machine An elongated array of partially overlapping sheets advances to a printing machine and, prior to entering the same the individual sheets of the array, one after another, are aligned both along their front edges and along one of their lateral edges. This is...	01/22/1980
4134582	Device for the registering of sheets in printing presses in which the sheets are fed in an underlapped stream A device for registering of sheets, received in an underlapped stream, upon a feed table. The feed table has a retractable front stop and a side guide defining a condition of accurate register for the sheet. Cooperating with the side guide is a wiping mec...	01/16/1979
4060237	Sheet positioning mechanism for feed table of a sheet-fed printing press A sheet positioning mechanism for the feed table of a sheet-fed printing press which includes a set of releasable front stops and a side guide, with a wiper adjacent the side guide, the wiper having a limited zone of action. The sheets are fed in a straig...	11/29/1977
4046369	Machine for feeding inserts to a separating device A machine for feeding inserts, for example, newspaper advertisements, to a device which separates or orients the inserts into a shinglelike arrangement and delivers them to a device which inserts them into the main portion of the newspaper. An oscillating...	09/06/1977
4015843	Newspaper streamliner A newspaper streamliner for mounting in a newspaper conveyor system which includes a pair of roller-operated belts disposed in essentially parallel relationship on each side of a newspaper stream, and a flat cover plate disposed between the belts to recei...	04/05/1977
3979115	Sheet lock for feed table in printing press A device for interrupting the feeding of sheets to a sheet-fed printing press. A feed table is provided having stops to define the registered position of successively fed sheets. After a register interval during which the sheet settles against the stops t...	09/07/1976
3942787	Sheet feeding apparatus for printing presses A sheet feeding table has pull-type side lays and front lays. Mounted beneath the feeding table and nearer the front lays are suction drums spaced apart and rotated by a transversely extending drive shaft on which they are mounted. The shaft is driven thr...	03/09/1976

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Class 271/237 - Alignment of imbricated sheets