US3894732A - Apparatus for converting a stack of sheets into a stream of overlapped sheets - Google Patents

Apparatus for converting a stack of sheets into a stream of overlapped sheets Download PDF

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Publication number
US3894732A
US3894732A US397094A US39709473A US3894732A US 3894732 A US3894732 A US 3894732A US 397094 A US397094 A US 397094A US 39709473 A US39709473 A US 39709473A US 3894732 A US3894732 A US 3894732A
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United States
Prior art keywords
sheets
stack
pick
belt
conveying means
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Expired - Lifetime
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US397094A
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English (en)
Inventor
Hans Muller
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Grapha Holding AG
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Grapha Holding AG
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H3/00—Separating articles from piles
    • B65H3/02—Separating articles from piles using friction forces between articles and separator
    • B65H3/04—Endless-belt separators
    • B65H3/045—Endless-belt separators for separating substantially vertically stacked articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/66—Advancing articles in overlapping streams

Definitions

  • a third conveyor extends substantially vertically across the path to pick up the respectively leading sheets of the stack and convey them in upward direction.
  • a presser belt cooperates with the third conveyor to engage the pickup sheets and convey to the second conveyor on which they are deposited so that each sheet partially overlaps a preceding sheet.
  • the present invention relates generally to a sheet handling apparatus, and more particularly to an apparatus for converting a stack of sheets into a stream of overlapped sheets.
  • Another object of the invention is to provide such an apparatus which will represents savings in operational terms inasmuch as it does not require the constant presence of an operator.
  • one feature of the invention resides, in an apparatus for converting a stack of sheets into a stream of overlapped sheets, in a combination comprising first conveying means for conveying a stack of sheets which stand on edge, in a path. Second conveying means is provided at a level above the path. Pick-up means is provided for successively picking up the respectively leading sheets of the stack. Transfer means cooperates with the pick-up means for transferring each picked-up sheet to the second conveying means and depositing it thereon in partially overlapping relationship with a preceding sheet.
  • the apparatus according to the present invention eliminates the need for manual operations by an attendant and thus represents a saving in terms of labor expenses. Moreover, it permits the conversion of large stacks of sheets (for instance newspaper-sheets or the like) without having to first bundle them, and thus increases the speed of operation considerably over what is known from the prior art.
  • FIG. 1 is a partially sectioned side view illustrating one embodiment of the invention
  • FIG. 2 is a vertical section through FIG. 1;
  • FIG. 3 is a fragmentary vertical section illustrating a further embodiment of the invention.
  • FIG. 4 is a fragmentary view, illustrating a circuit used in the embodiment of FIG. 3;
  • FIG. 5 is a diagrammatic side view illustrating a detail of the embodiment in FIGS. 3 and 4.
  • reference numeral 1 identifies a stack of sheets for instance newspaper sheets, book-pages, leaflets or the like.
  • the stack I is located on an endless conveyor 2 so that the sheets stand on edge, as shown.
  • the conveyor 2 utilizes, as illustrated in FIG. 2, two transversely spaced endless belts which are provided with abutments 3 against which the respective stack I rests.
  • the direction in which each stack I is advanced is indicated by the arrow in FIG. I.
  • the belts of the conveyor 2 are trained about rollers 5 mounted on a shaft 4, at the front end of the conveyor 2, and about similar rollers mounted on a similar shaft at the rear end of the conveyor 2 (not shown).
  • the shaft 4 or the shaft at the rear end may be connected with the drive (not shown) to drive it in rotation.
  • the rollers on the non-driven shaft may rotate freely about the shaft on which they are mounted. It is advantageous if the conveyor 2 is upwardly inclined in the direction of advancement of the stack 1 as shown in FIG. 1.
  • a shaft 6 which is turnably journalled in two lateral supports 7 and 8.
  • a pick-up unit 9 is suspended from the shaft 6 so that it can tilt about the same quite freely.
  • the unit 9 has a pair of upper lugs 10 and a pair of center lugs 11, as well as a lower lug 12; these are all connected by means of shafts l3 and 14 extending in parallelism with the shaft 6 but being downwardly spaced therefrom.
  • the upper ends of the pair of lugs 10 are connected to the shaft 6 so that they can pivot on it.
  • the shaft 13 is turnably mounted at the lower ends of the lugs 10, and in turn the upper ends of the lugs 11 are pivoted on the shaft 13.
  • the shaft 14 is turnably mounted on the lower ends of the lugs 11, and on this shaft the lug 12 is pivotally connected. At the lower free end of the lug 12 there is turnably mounted a further shaft 15.
  • Three rollers 16 are mounted on the shaft 6 for rotation with but not relative to the same.
  • a corresponding number of rollers I7 are provided on the shaft 13 to rotate with the same but not relative to the same.
  • Two additional rollers 18 are mounted on the shaft 13, and a corresponding number of rollers 19 is mounted on the shaft 14, which in addition carries two polygonal (here hexagonal) rollers 20, with two similar polygonal rollers 21 provided on the shaft I5. Endless belts of material having a high-friction surface cooperate with the rollers.
  • a belt 22 is trained about rollers 16 and 17, a belt 23 about the rollers 18 and 19, and a belt 24 about the rollers and 21.
  • a further shaft 25 is turnably journalled in the supports 7 and 8, and carries rollers 26 about which a belt 27 of an upper conveyor is trained, the rollers at the opposite end of the belt 27 having been omitted as not essential for an understanding of the invention.
  • the belt 27 is actually composed of three laterally adjacent parallel sections, as shown in FIG. 2.
  • Rollers 28 are also mounted on the shaft 25 intermediate the rollers 26, and two corresponding rollers 29 are provided on the shaft 6. Endless belts 30 having high friction surfaces are trained about the cooperating rollers 28 and 29. The belts 22, 23 and 24 are driven in the direction of the indicated arrows, by the belts 30.
  • Transfer and pressing means is provided which cooperates with the unit 9 and with the belts 27 and 30. It uses a plurality of endless belts 31, here five of them.
  • the facing runs of the belts of the unit 9, as well as the belts 27 and 30, advance in one and the same direction and at identical rate of speed.
  • the belts 31 define with the upper portion of the unit 9, a wedge-shaped inlet gap 32 for the sheets withdrawn from the stack 1.
  • the belts 31 are trained about rollers 33, 34, 35, 36 and 37. Of these the rollers 33 are non-rotatably connected with a shaft 38 which is turnably journalled in the supports 7 and 8.
  • the rollers 35 and 36 are respectively freely turnably mounted on shafts 39 and 40 which are fixedly mounted in the supports 7 and 8.
  • Rollers 34 and 37 are turnably journalled on shafts 33 and 34 which are fixedly mounted on the arms 41 and 42 which are clamped against the shafts 39 and 40.
  • the belts 31 can either be undriven or they can be driven by the same drive which drives the belts 27.
  • the drive for the belts 27 has not been illustrated, because it is conventional and can be provided in form of an electromotor or the like.
  • the belts 27 When it is energized the belts 27 are advanced and at the same time, the belts 31 and the belts of the unit 9.
  • a stack of sheets When a stack of sheets is advanced in the direction of the arrow in FIG. 1, that is towards the right, it will come in contact with the unit 9, pivoting the same in counterclockwise direction to a slight extent, until it is in good frictional engagement with the leading sheet of the stack against which the unit presses under the influence of its own weight.
  • the sheet Due to the friction between the unit 9 on the one hand, and the leading sheet of the stack 1 on the other hand, the sheet is engaged by the belts of the unit 9 and raised upwardly into the gap 32, where it moves between the belts 22 and 31, to be engaged by the same and transported onto the belts 27.
  • the extent of the overlap can be varied by changin the distance b.
  • the fact that the rollers 20 and 21 are polygonal produces a vibration which acts upon the end of the stack 1, that is adjacent the unit 9, and which facilitates the upward withdrawal of the respective leading sheets of the stack.
  • the advancement of the conveyor 2 towards the right in FIG. 1, is controlled by an on-off switch 45 having a sensor 46.
  • the switch is mounted in the support 7, being adjustable in the direction of advancement of the conveyor 2, and the sensor 46 interrupts the power supply circuit of the non-illustrated drive motor, which drives the conveyor 2 when the sensor 46 is depressed as shown in FIG. 1. This takes place while there is proper frictional engagement between the unit 9 and the stack 1.
  • a displacement of the switch 45 in the support 7 permits the position of the right-hand end of the stack 1 to be selected with reference to the unit 9, in accordance with the particular requirements of a given situation, for instance depending upon the type of sheets which make up the stack 1.
  • One or more air nozzles 47 are arranged beneath the right-hand end of the stack 1, and therefore of the conveyor 2, which receive air under pressure from a nonillustrated source and direct a stream or streams of air towards the unit 9, and therefore, against the several leading sheets at the right-hand end of the stack 1. This reduces the friction between these sheets and the nextfollowing ones, and further facilitates the withdrawal of the leading sheets by the unit 9.
  • a detector 48 of an on-off switch 49 is arranged below the upper run of the conveyor 2 and presses from below against sheets at the right-hand leading end of the stack 1. These sheets maintain the detector 48 in the somewhat downwardly deflected position which is shown in FIG. 1.
  • the drive for the conveyor 2 incorporates not only an arrangement for driving the latter in slow motion under the influence of the sensor 46, but also an arrangement for driving it in fast highspeed motion (neither of these arrangements is shown because they are both known from the art).
  • the detector 48 is connected with the drive, and in particular with the arrangement for driving the conveyor 2 at high speed motion.
  • FIGS. 3 5 may be employed in the apparatus of FIGS. 1 and 2, in place of the switch 45.
  • FIG. 3 shows that in this case, the lugs are not pivoted on the shaft 6, but instead are fixedly connected with the same so that they cannot pivot relative to it.
  • the shaft 6 itself is turnably journalled in the supports 7 and 8. Laterally adjacent the support 7, the shaft 6 carries a belt pulley 100 which turns with the shaft 6.
  • a further belt pulley 101 is mounted on a shaft 105 with which it turns and a belt 102 connects the two pulleys 100 and 101 to transmit motion between them.
  • the shaft 105 is operatively connected with a device 103 which in the particular illustrated embodiment is a potentiometer of the controlled direct current drive 104.
  • the Rollers R for the belts 22, 30 are here freely rotatably journalled on shaft 6 by means of the bearings B shown in FIG. 3.
  • the potentiometer 103 When the shaft 105 turns, the potentiometer 103 is operated, and the further the unit 9 (see FIG. 5) is deflected from its ideal operating position towards the left or towards the right, (see the angles a and a in FIG. 4), the more the drive 104 will be accelerated or retarded by the potentiometer 103.
  • the angles a and a can be selected larger or smaller as desired.
  • FIG. 4 The electrical circuit for the arrangement in FIGS. 3 to 5 is partially and diagrammatically shown in FIG. 4 and will be self-evident.
  • polygonal rollers and 21 be replaced by circular rollers in the unit 9 if this is desired.
  • the unit 9 provides for the unit 9 to be provided only with the rollers 17 and 21, and to use only two belts, one of which connects the rollers 17 and 21, and the other of which connects the rollers 16 and 17.
  • the unit 9 can of course be subdivided still further beyond that what is shown in FIG. 1.
  • a combination comprising first conveying means for conveying a stack of sheets which stand on edge in a substantially horizontal path; second conveying means at a level above said path; pick-up means for successively picking up the respectively leading sheets of said stack, said pick-up means comprising a unit which is mounted for tilting movement about a shaft defining a substantially horizontal axis which extends across said path and includes endless rotatable pick-up belt means which is elongated in upright direction and has an upper portion located above said path, and a lower portion which is normally in contact with the respective leading sheet; and transfer means cooperating with said pick-up means for tranferring each picked-up sheet to said second conveying means and depositing it thereon in partially overlapping relationship with a preceding sheet.
  • said transfer means comprises an endless travelling presser belt having an elongated part one end of which is pressed against said upper portion of said pick-up belt means and defines therewith a wedge-shaped gap for entry of said sheets, and an other end of which is pressed against said second conveying means and from which said sheets are deposited onto the latter, said belt, belt means and second conveying means all travelling at the same rate of speed.
  • said unit includes a plurality of additional shafts below the first-mentioned shaft and extending in axial parallelism with the same and with one another, and rollers mounted on the respective shafts, all of said shafts being rotatable and said rollers being fixed on said shafts; and wherein said pick-up belt means includes a plurality of endless pick-up belts each of which is trained about the rollers on two successive ones of said shafts.
  • shafts include a lowermost shaft; and wherein the rollers on said lowermost shaft are of polygonal outline.
  • rollers on the successive shaft above said lowermost shaft are also polygonal.
  • an apparatus for converting a stack of sheets into a stream of overlapped sheets a combination comprising first conveying means for conveying a stack of sheets which stand on edge, in a substantially horizontal path; second conveying means at a level above said path; pick-up means for successively picking up the respectively leading sheets of said stack, said pick-up means comprising a unit which is mounted for tilting movement about a shaft defining a substantially horizontal axis which extends across said path and includes endless rotatable pick-up belt means which is elongated in upright direction and has an upper portion located above said path, and a lower portion which is normally in contact with the respective leading sheet; transfer means cooperating with said pick-up means for transferring each picked-up sheet to said second conveying means and depositing it thereon in partially overlapping relationship with a preceding sheet, said transfer means comprising an endless travelling presser belt having an elongated part one end of which is pressed against said upper portion of said pick-up belt means and defines therewith a wedge-shaped gap for entry of

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)
  • Discharge By Other Means (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
US397094A 1972-09-21 1973-09-13 Apparatus for converting a stack of sheets into a stream of overlapped sheets Expired - Lifetime US3894732A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1378472A CH544026A (de) 1972-09-21 1972-09-21 Vorrichtung zum Umsetzen eines Papierbogenstapels in einen Schuppenstrom

Publications (1)

Publication Number Publication Date
US3894732A true US3894732A (en) 1975-07-15

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Application Number Title Priority Date Filing Date
US397094A Expired - Lifetime US3894732A (en) 1972-09-21 1973-09-13 Apparatus for converting a stack of sheets into a stream of overlapped sheets

Country Status (5)

Country Link
US (1) US3894732A (enrdf_load_stackoverflow)
JP (1) JPS4970371A (enrdf_load_stackoverflow)
CH (1) CH544026A (enrdf_load_stackoverflow)
DE (1) DE2342615A1 (enrdf_load_stackoverflow)
GB (1) GB1396848A (enrdf_load_stackoverflow)

Cited By (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3982749A (en) * 1975-07-07 1976-09-28 Stobb, Inc. Signature feeder
US4366955A (en) * 1979-05-18 1983-01-04 Giorgio Pessina Loader for signatures
EP0086753A1 (en) * 1982-02-03 1983-08-24 O.M.G. di Giorgio Pessina e Aldo Perobelli S.n.c. Loader for signatures and the like
US4429864A (en) 1981-06-22 1984-02-07 R. A. Jones & Co. Inc. High speed carton feeder
USRE31853E (en) * 1977-03-17 1985-03-26 Fmc Corporation Package flap folding apparatus
US4509735A (en) * 1982-07-26 1985-04-09 Bell & Howell Company Variable width envelope feeder
US4512562A (en) * 1980-04-09 1985-04-23 Moll Richard J Feeder table with photo-scan controlled belt motor
US4518301A (en) * 1982-07-06 1985-05-21 R. A. Jones & Co. Inc. Orbital feeder
US4557698A (en) * 1982-11-10 1985-12-10 The Japan Tobacco & Salt Public Corporation Apparatus for supplying cardboards
US4582315A (en) * 1981-06-22 1986-04-15 R. A. Jones & Co. Inc. High speed carton feeder
US4758126A (en) * 1987-02-19 1988-07-19 Johnson Peter E Plate feed apparatus
US4809964A (en) * 1987-04-17 1989-03-07 St. Denis Manufacturing Co. Apparatus and method for converting bundled signatures to a shingled stream
US4831416A (en) * 1988-02-22 1989-05-16 Xerox Corporation Sheet set advancing apparatus
US4869486A (en) * 1988-01-19 1989-09-26 R. A. Jones & Co. Inc. Method and apparatus for feeding carton blanks
US4928944A (en) * 1988-12-19 1990-05-29 Intelligent Technologies Corporation High speed sheet feeder singulator
US4928946A (en) * 1988-05-25 1990-05-29 Bell & Howell Company Vertical feed mechanism for documents
US4954203A (en) * 1987-12-07 1990-09-04 Kanzaki Seishi Co., Ltd. Labelling system
US4993702A (en) * 1986-08-11 1991-02-19 Rockwell Graphic Systems Limited Apparatus for variably accelerating a drive member
US5000435A (en) * 1988-08-15 1991-03-19 Godlewski Edward S Adjustable interconnected delivery and discharge conveyor with feed control
US5150818A (en) * 1991-02-01 1992-09-29 Demoss Paul S Literature dispensing apparatus
US5246223A (en) * 1992-01-03 1993-09-21 Bell & Howell Company Automatic magazine speed control for document processing system
US5249788A (en) * 1991-08-23 1993-10-05 Mathias Bauerle Gmbh Sheet stack pre-feeder
US5284335A (en) * 1991-10-09 1994-02-08 Roll Systems, Inc. High capacity sheet feeders for high volume printers
US5292114A (en) * 1991-09-27 1994-03-08 Westinghouse Electric Corp. Automatic feeder module for a mail sorting system
US5335899A (en) * 1992-10-01 1994-08-09 Roll Systems, Inc. Apparatus and method for automatically adjusting sheet feeding pressure
US5342036A (en) * 1991-10-09 1994-08-30 Roll Systems, Inc. High capacity sheet feeders for high volume printers
US6026681A (en) * 1995-11-23 2000-02-22 Giesecke & Devrient Gmbh Device and process for determining the stiffness of sheet-like articles such as bank notes
US6029971A (en) * 1997-05-31 2000-02-29 Ncr Corporation Sheet feeding apparatus
US6032946A (en) * 1997-12-19 2000-03-07 Ncr Corporation Document feeder
US6076824A (en) * 1996-12-20 2000-06-20 Grapha-Holding Ag Apparatus for decollating flat objects conveyed in form of vertical stacks
US6173950B1 (en) 1999-05-10 2001-01-16 Gbr Systems Corporation Sheet feeding mechanism
US6186493B1 (en) * 1997-12-25 2001-02-13 Tanabe Machinery Co., Ltd Apparatus and method for supplying a plurality of box sheets along belts at predetermined intervals
US6199854B1 (en) * 1997-09-12 2001-03-13 Unisys Corporation Document feeder with variable-speed separator
US6203004B1 (en) * 1998-07-15 2001-03-20 G. D Societa' Per Azioni Device for feeding blanks on a packing machine
US6427999B1 (en) 1999-02-17 2002-08-06 Quad/Tech, Inc. Signature hopper loader apparatus and method
US20030184006A1 (en) * 2002-03-29 2003-10-02 Ferus Jon M. Hopper loader with lateral deblocking
DE102004037420B3 (de) * 2004-07-30 2005-12-15 Siemens Ag Vorrichtung zum Herausziehen einzelner flacher Sendungen aus einer Vereinzelungsstrecke
US20070052164A1 (en) * 2005-09-05 2007-03-08 Hiroyuki Watase Sheet-feeding auxiliary device, image forming device, and image reading device
US20080203649A1 (en) * 2007-02-26 2008-08-28 Ricoh Company, Ltd. Sheet conveying device, and image forming apparatus including same
US20100025415A1 (en) * 2006-08-10 2010-02-04 Shekeltronix Retail Technologies Ltd Bag dispensing machine for upward dispensing
US20100043983A1 (en) * 2008-08-25 2010-02-25 Jacobs Brian J Folding and cutting apparatus
US20100114366A1 (en) * 2008-10-10 2010-05-06 Georgia Pacific Consumer Products, Lp Dispensers providing controlled dispensing and controlled dispensing methods
WO2017190022A1 (en) * 2016-04-28 2017-11-02 Tritek Technologies, Inc. Mail processing system and method with increased processing speed

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS619866Y2 (enrdf_load_stackoverflow) * 1978-02-28 1986-03-29
DE3218566C2 (de) * 1982-05-17 1984-12-06 Maschinenbau Oppenweiler Binder GmbH & Co, 7155 Oppenweiler Spannvorrichtung für wenigstens ein einer Umlenktrommel eines Rundstapelbogenanlegers zugeordnetes Anpreßband
DD210665A1 (de) * 1982-10-12 1984-06-20 Polygraph Leipzig Einrichtung zum kontinuierlichen nachfuellen eines flachstapels
EP0979203B1 (de) * 1997-04-30 2002-01-30 Siemens Aktiengesellschaft Vorrichtung zum vereinzeln von flachem stückgut

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US1207365A (en) * 1916-09-16 1916-12-05 W O Hickok Mfg Co Paper-stack-agitating means for paper-feeding machines.
US2715975A (en) * 1950-08-23 1955-08-23 Cheshire Mailing Machines Inc Label applying machines
US3025051A (en) * 1960-11-02 1962-03-13 Ibm Sheet handling apparatus and method
US3635463A (en) * 1970-05-08 1972-01-18 Stobb Inc Sheet feeder off a stack of sheets
US3741413A (en) * 1971-11-08 1973-06-26 Container Corp Structure for handling stacked flat articles

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1207365A (en) * 1916-09-16 1916-12-05 W O Hickok Mfg Co Paper-stack-agitating means for paper-feeding machines.
US2715975A (en) * 1950-08-23 1955-08-23 Cheshire Mailing Machines Inc Label applying machines
US3025051A (en) * 1960-11-02 1962-03-13 Ibm Sheet handling apparatus and method
US3635463A (en) * 1970-05-08 1972-01-18 Stobb Inc Sheet feeder off a stack of sheets
US3741413A (en) * 1971-11-08 1973-06-26 Container Corp Structure for handling stacked flat articles

Cited By (55)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3982749A (en) * 1975-07-07 1976-09-28 Stobb, Inc. Signature feeder
USRE31853E (en) * 1977-03-17 1985-03-26 Fmc Corporation Package flap folding apparatus
US4366955A (en) * 1979-05-18 1983-01-04 Giorgio Pessina Loader for signatures
US4512562A (en) * 1980-04-09 1985-04-23 Moll Richard J Feeder table with photo-scan controlled belt motor
US4429864A (en) 1981-06-22 1984-02-07 R. A. Jones & Co. Inc. High speed carton feeder
US4582315A (en) * 1981-06-22 1986-04-15 R. A. Jones & Co. Inc. High speed carton feeder
EP0086753A1 (en) * 1982-02-03 1983-08-24 O.M.G. di Giorgio Pessina e Aldo Perobelli S.n.c. Loader for signatures and the like
US4518301A (en) * 1982-07-06 1985-05-21 R. A. Jones & Co. Inc. Orbital feeder
US4509735A (en) * 1982-07-26 1985-04-09 Bell & Howell Company Variable width envelope feeder
US4557698A (en) * 1982-11-10 1985-12-10 The Japan Tobacco & Salt Public Corporation Apparatus for supplying cardboards
EP0109018B1 (en) * 1982-11-10 1987-01-21 Japan Tobacco Inc. An apparatus for supplying cardboards
US4993702A (en) * 1986-08-11 1991-02-19 Rockwell Graphic Systems Limited Apparatus for variably accelerating a drive member
US4758126A (en) * 1987-02-19 1988-07-19 Johnson Peter E Plate feed apparatus
US4809964A (en) * 1987-04-17 1989-03-07 St. Denis Manufacturing Co. Apparatus and method for converting bundled signatures to a shingled stream
US4954203A (en) * 1987-12-07 1990-09-04 Kanzaki Seishi Co., Ltd. Labelling system
US4869486A (en) * 1988-01-19 1989-09-26 R. A. Jones & Co. Inc. Method and apparatus for feeding carton blanks
US4831416A (en) * 1988-02-22 1989-05-16 Xerox Corporation Sheet set advancing apparatus
US4928946A (en) * 1988-05-25 1990-05-29 Bell & Howell Company Vertical feed mechanism for documents
US5000435A (en) * 1988-08-15 1991-03-19 Godlewski Edward S Adjustable interconnected delivery and discharge conveyor with feed control
US4928944A (en) * 1988-12-19 1990-05-29 Intelligent Technologies Corporation High speed sheet feeder singulator
USRE34894E (en) * 1988-12-19 1995-04-04 Roll Systems, Inc. High speed sheet feeder singulator
US5150818A (en) * 1991-02-01 1992-09-29 Demoss Paul S Literature dispensing apparatus
US5249788A (en) * 1991-08-23 1993-10-05 Mathias Bauerle Gmbh Sheet stack pre-feeder
US5292114A (en) * 1991-09-27 1994-03-08 Westinghouse Electric Corp. Automatic feeder module for a mail sorting system
US5342036A (en) * 1991-10-09 1994-08-30 Roll Systems, Inc. High capacity sheet feeders for high volume printers
US5284335A (en) * 1991-10-09 1994-02-08 Roll Systems, Inc. High capacity sheet feeders for high volume printers
US5494272A (en) * 1991-10-09 1996-02-27 Roll Systems, Inc. High capacity sheet feeders for high volume printers
US5246223A (en) * 1992-01-03 1993-09-21 Bell & Howell Company Automatic magazine speed control for document processing system
US5476254A (en) * 1992-10-01 1995-12-19 Roll Systems, Inc. High speed sheet feeder with improved stack advance and sheet feed mechanism
US5335899A (en) * 1992-10-01 1994-08-09 Roll Systems, Inc. Apparatus and method for automatically adjusting sheet feeding pressure
US6026681A (en) * 1995-11-23 2000-02-22 Giesecke & Devrient Gmbh Device and process for determining the stiffness of sheet-like articles such as bank notes
US6076824A (en) * 1996-12-20 2000-06-20 Grapha-Holding Ag Apparatus for decollating flat objects conveyed in form of vertical stacks
US6029971A (en) * 1997-05-31 2000-02-29 Ncr Corporation Sheet feeding apparatus
US6199854B1 (en) * 1997-09-12 2001-03-13 Unisys Corporation Document feeder with variable-speed separator
US6032946A (en) * 1997-12-19 2000-03-07 Ncr Corporation Document feeder
US6186493B1 (en) * 1997-12-25 2001-02-13 Tanabe Machinery Co., Ltd Apparatus and method for supplying a plurality of box sheets along belts at predetermined intervals
US6203004B1 (en) * 1998-07-15 2001-03-20 G. D Societa' Per Azioni Device for feeding blanks on a packing machine
US6427999B1 (en) 1999-02-17 2002-08-06 Quad/Tech, Inc. Signature hopper loader apparatus and method
US7048111B2 (en) 1999-02-17 2006-05-23 Quad/Tech, Inc. Hopper loader apparatus and method
US6173950B1 (en) 1999-05-10 2001-01-16 Gbr Systems Corporation Sheet feeding mechanism
US20030184006A1 (en) * 2002-03-29 2003-10-02 Ferus Jon M. Hopper loader with lateral deblocking
US7222844B2 (en) 2002-03-29 2007-05-29 Quad/Graphics, Inc. Hopper loader with lateral deblocking
DE102004037420B3 (de) * 2004-07-30 2005-12-15 Siemens Ag Vorrichtung zum Herausziehen einzelner flacher Sendungen aus einer Vereinzelungsstrecke
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Also Published As

Publication number Publication date
GB1396848A (en) 1975-06-04
CH544026A (de) 1973-11-15
JPS4970371A (enrdf_load_stackoverflow) 1974-07-08
DE2342615A1 (de) 1974-03-28

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