US3160413A - Method and apparatus for supporting stacks of signatures - Google Patents

Method and apparatus for supporting stacks of signatures Download PDF

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Publication number
US3160413A
US3160413A US86199A US8619961A US3160413A US 3160413 A US3160413 A US 3160413A US 86199 A US86199 A US 86199A US 8619961 A US8619961 A US 8619961A US 3160413 A US3160413 A US 3160413A
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United States
Prior art keywords
stack
signatures
folded
platform
fingers
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Expired - Lifetime
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US86199A
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Harry W Faeber
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Time Inc
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Time Inc
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H31/00Pile receivers
    • B65H31/02Pile receivers with stationary end support against which pile accumulates
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H29/00Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/70Article bending or stiffening arrangements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H31/00Pile receivers
    • B65H31/04Pile receivers with movable end support arranged to recede as pile accumulates
    • B65H31/08Pile receivers with movable end support arranged to recede as pile accumulates the articles being piled one above another
    • B65H31/10Pile receivers with movable end support arranged to recede as pile accumulates the articles being piled one above another and applied at the top of the pile
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00Handling processes for sheets or webs
    • B65H2301/50Auxiliary process performed during handling process
    • B65H2301/51Modifying a characteristic of handled material
    • B65H2301/512Changing form of handled material
    • B65H2301/5121Bending, buckling, curling, bringing a curvature
    • B65H2301/51214Bending, buckling, curling, bringing a curvature parallel to direction of displacement of handled material

Description

H. W. FAEBER Dgc, 8, 1964 METHOD AND APPARATUS FOR SUPPORTING STACKS OF SIGNATURES Filed Jan. 31. 1961 2 Sheets-Sheet 1 INVENTOR. HARRY W. FAEBER his A TTORNE YS Dec. 8, 1964 H. w. FAEBER 3, 60 3 METHOD AND APPARATUS FOR SUPPORTING STACKS 0F SIGNATURES Filed Jan. 31, 1961 2 Sheets-Sheet 2 INVENTOR. HARRY W. FAEBER M Fm, W

his ATTORNEYS 3,160,413 METHOD AND APPARATUS F032 SUPPGRTING STACKS F SIGNATURES Harry W. Faeber, Larclnnont, N.Y., assignor to Time, Incorporated, New York, N.Y., a corporation of New York Filed Jan. 31, 1961, Ser. No. 86,1% 14 Cls. (ill. 27186) In order to facilitate subsequent handling operations, it

is desirable that such stacks or piles be rigid and have substantially level top surfaces. Generally, however, the the top surface of a stack of signatures is not level, but is curved. That is, because the leaves of the signature United States Patent 0 near the folded edge do not lie fiat against each other, I

but tend to separate, the side of the stack that is composed of the folded signature edges is normally curled upward. This results in a loss of rigidity in the 'stackpand also prevents the effective piling of completed stacks of signatures, one on top of the other, to save space.

One way of compensating for this curling effect is to provide mechanism for specially stacking signatures one on top of the other so that the folded signature edges are alternated between opposite sides of the stack. This, however, generally requires elaborate, complex, expensive, and cumbersome machinery. Also, it is impractical if the stacked signatures are to be handled at a later stage by automatic machinery, for example, collating apparatus.

In view of the above, it is an importantobject of the present invention to support signatures during the formation of a typical stack in such fashion as to impart rigidity to the stack and to remove almost entirely the curl in the top surface thereof resulting from the appreciably thicker folded portions of the component signatures.

This important object is fulfilled in the present invention by, first, providing a greater space than that which is usually allocated to build the folded portion of a stack and, second, by arching the signatures, i.e., by bending the signatures so that their folded edges are curved downward, thus to crease the folded edges more sharply and to counteract the tendency to curl upwards. This is accomplished in an illustrative embodiment of the invention by providing a supporting platform for a stack of signatures during its formation that utilizes a sloping and arched surface. To elaborate, the supporting platform slopes downwardly, and the stack is built thereon so that the folded edges of the signatures are positioned directly above the lowermost portion of the sloping platform. By allowing the side of the stack that consists of the folded signature edges to occupy a greater space than that occupied by the opposite side, the, tendency to curl is not aggravated.

Besides being sloped, however, the supporting platform is also arched. Viewing the platform so as to look toward the side of the stack consisting of the folded signature edges, the platform resembles a portion of a side of an ellipse. Generally the platform may be said to resemble a C rotated through 90 degrees, thus to position its open portion to face downward. in this fashion, the lowermost signatures of the stack are not supported by a plane surface but, rather, are allowed to drape so that the folds are broken and an arched signature .to the stack, and the tendency for the folded portions of the signatures to curl upward is eliminated. Thus, a rigid stack of signatures having a substantially level top sur face is produced. v g

When the signatures are transferred in stacked 'relation from the supporting structure described above to a level supporting platform, the top of the stack generally remains level, retaining the slight arch to provide rigidity, even though the bottom of the stack no longer is supported by the sloping, arched platform; Accordingly, the unique molding of the signature stack during the stacking process, as described above, results in the formation of astack of signatures that'is both stable and substantially level on top. Furthermore, this is accomplished without the use of complex, expensive, and cumbersome equipment. Although the invention has been described above:in general terms, a better understanding of it may be obtained by consulting the following detailed description when taken in conjunction with the appended drawings, in which: 7 1

FIGURE 1 is a perspective view of the preferred embodiment of this invention shown in conjunction with typical signature conveying equipment; Y

FIGURE 2 is an end view of a portion of the structure shown in FIGURE 1; and t FIGURE 3 is a side view of the structure shown in FIGURE 2. 7

Referring now to FIGURE 1, a series of signatures 11 in overlapped or shingled fashion, with their folded edges lying forward in the direction of travel shown by the arrow, are conveyed on a conveyor terminating in a pair of belts 12a and 12b. The belts, whose movement is controlled by a powered driving source (not shown), convey the shingled signatures over a pair of guide plates 13:: and 13b. The guide plates, whose tip portions 14a and 14b are bent downward, together with a pair of guide fingers 15a and 15b, tend .to arch the signatures as they are deposited. upon a platform 16 by the action of the belts and a pair of driving wheels 17a and 17b. Rollers may be used at the ends of guides 15a and 15b and guide plates 14a and 14b to reduce friction.

that are inclined and which together provide an arched support for the signatures. The details of the supporting fingers are shown in FIGURESZ and 3.

Referring to FIGURE 3, it may be seen that each of the fingers is inclined to a substantial degree. By so sloping the fingers, the side of the stack of signatures consisting of the folded signature edges that are positioned over the lowermost ends of the fingers is allowed a greater height in which to be built than the opposite side. Thus, the thicker folded signature edges are accounted and compensated for, and the stack remains substantialiy fia't on top as it is built up.

FIGURE 2, an end view of the fingers 18, shows how the fingers also'provide an arched support for the stack of signatures, thus to break the folded signature edges and to drape the signatures so that an arch is built therein that adds rigidity to the stack. As may be seen, the lowermost ends of all the fingers define a first arched curve 19, whereas the uppermost ends of the fingers define a second arched curve 20 of less curvature than curve 19. In this fashion, the folded signature edges, which are placed 7 is built so that the correct arch will be provided therein. Returning to FIGURE 1, the supporting fingers 18 are' 3 enclosed by a series'o'f guide bars 21 which contain and shape the sides of the stack of signatures. The guide bars may be adapted for lateral movement by suitable means coupled thereto. (not shown) in order to of signatures to form a well aligned stack.

The fingers 18 are conveniently mounted on a series of vertical supports 22 that are in turn attached to a horizontal plate 23. The up and down movement of plate 23,

imparting vertical movement to the support fingers 18 as,

the stack of signatures is built thereon, is controlled by the movement of a piston 24 which is part of an air cylinder 25. The horizontal movement of the piston, as shown by the arrow, is translated into vertical movement of the plate 23 by a series of arms 26, 27, and 28 that are journaled about the shafts 29, 30,.and 31, respectively. The vertical movement of the plate 23 and of the vertical supports 22 attached thereto is guided by a pair of vertical rods 32 (only one of which is shown), each of which is embraced by a pair of lower rollers 33 and 34 attached to plate 23 and a similar pair of rollers attached to the upper portion of vertical support 22 (not shown).

jog the stack.

. 4 I upper horizontal plane, said second pair of fingers have upper disposed ends that lie in a second upper horizontal plane below said firstupper horizontal plane, and the distance between said first and second lower horizontal planes is greater than the distance between said first and second upper horizontal planes.

' the stack being of such a size normally resulting in a As the stack of signatures is built upon the support fingers, the fingers are lowered until the stack is completed thereon. Transfer of the stack is made to a series of conveyorbelts 35 by a further lowering of the support fingers so that they pass .through the belts. The completed stack of signatures 36, although transferred to a flat surface thatis neither sloping nor arched, nonetheless contains a slight arch 37 that imparts rigidity to the stack. Further, because of the manner in which the stack ,was formed, the stack is not only stable, but is substantially level on'its top surface; thereby facilitating further operations such as compacting and later stacking of completed stacks of signatures one on top of another.

When the signature stream approaches with open end leading, the configuration of the support fingers is reversed by installing them in a position rotated from that shown in FIGURE 1 by 180 about a vertical axis.

From the description of the invention given above, it is apparent that numerous substitutions, additions, and rearrangements of the preferred embodiment shown may be made by those skilled in the art. Such changes should curling of the top; surface of the stack, comprising a platform upon which said stack is positioned, the shape of said platform being such that substantially each point along a first edge of said platform lies at a level that is lower than the level at which each opposite point on an opposite edge lies, the difference in levels between any two opposite points increasing for points on the first edge from the mid-portion of said first edge 'to each end thereof. I

5. Apparatus for the support of a stack of folded sheets, the stack being of such a size normally resulting in a' curling of the top surface of the stack, comprising a platform upon which said stack is positioned, the

- shape of said platform being such that it is inclined downwardly and arched downwardly substantially transversely to said inclination.

6. Apparatus as recited in claim 5 in which said arched platform is defined by a first arched curve at the bottom of said incline and a second arched curve at the top of said incline, said first arched curve having'greater curvature than said second arched curve.

7. The method of supporting a stack of folded sheets comprising supporting substantially the entire bottom surface of the lowermost sheet of said stack in inclined and l draped fashion so that, first, all points on the folded edge be deemed to be within the scope of the following claims which define this invention.

I claim: 7

1. In apparatus for the handling of folded' sh'eets of paper, a platform for supporting said sheets comprising a series of parallel displaced fingers, each of said' fingers being inclined with respect to a horizontal plane, all of the lower disposed ends 'of said fingers together forming a pattern corresponding substantially to a portion of the side' of a first ellipse when said lower disposed ends are viewed in a direction substantially perpendicular thereto, 7

first pair and a second pair of fingers, said first pair of fingers lying adjacent to each other and havinglower disposed ends that lie in-a first lower'horizontal plane, said second pair of fingers having lower disposed ends that lie in a second lower horizontal plane below said first horizontal plane, each of said fingers comprising said second i pair lying adjacent to a different one of said fingers comprising said first pair, the distance between said fingers of said second pair being greater than the distance between said fingersof said first pair.

3. Apparatus as recited in claim 2 in which said first pair of fingers have upper disposed ends that lie in a first .of said lowermost sheet are supported at levels lower than'the levels at which the points opposite ,on the unfolded edge are supported, and so that, second, said lowermost sheet is draped while being supported to bend said folded edge downward with respect to said stack built thereon and to provide a rigid arch in said stack.

8. The method of forming a stack of folded sheets of paper comprising the steps of supporting substantially the entire bottom surface of a first'sheet so that it comprises an arched surface, said-arched surface being such that the mid-portion of the folded edge of said first sheet is supported at a first level and succeeding points along said folded edge from said mid-portion to an adjacent edge of said first sheet are supported-at succeedingly lower levels, and stacking succeeding sheets on top of said first sheet with the folded edges of said succeeding sheets and said first sheet aligned substantially perpendicularly while continuing to support said first sheet.

9. The method of forming a stack of folded sheets of paper comprising the steps of supporting a first sheet at an inclined angle with a horizontal reference plane, the folded edge of said first sheet being positioned so that points thereon are lower than the points opposite on the unfolded edge of said sheet, supporting the mid-portion of said folded edge of said first sheet at a first level, supporting succeeding points along saidfolded edge from said midportion to an adjacent edge of said first sheet at succeedingly lower levels than said first-level, and stacking'succeeding sheets one on top of the other on top of said first sheet so that-the folded edges of said succeeding sheets and said first sheet are aligned substantially perpendicularly.- 1 1 10. In apparatus for stacking folded sheets of paper utilizing delivery means for ejectingsaid sheets-one by one from a conveyor system. to aplatform positioned below said'conveyor system, means for facilitating said stacking comprising plate means positioned adjacent said conveyor system in contacting arrangement with said sheets for bending" said sheets downwardly to assume an arched shape prior to ejection upon said platform, whereby said arched sheets counteract the tendency of said sheets to curl upward, and a stack-supporting platform surface that is inclined downwardly and arched downwardly substantially transversely to said inclination.

11. In combination with apparatus as recited in claim 10, finger means positioned adjacent said plate means for exerting pressure on the edges of said ejected sheets thereby to continue to arch said sheets downwardly.

12. In an apparatus for handling a stack of folded signatures having their folded edges one above the other, a platform on which the signatures are stacked to avoid upward curling of the folded edges, the upper surface of said platform being sloped downwardly from the portion which supports the open ends of the signatures toward the portion which supports the folded edges thereof, said downward slope compensating for the increased thickness of the folded edges of the stack, the lower end of the downwardly sloped platform surface being, in turn, higher at the center and sloping downwardly on both sides of the center so that the folded edge of the lowermost signature in the stack will be supported in an inclined position with the folded edge below the open ends and with the folded edge arched higher at the center and draping downwardly on both sides of the center, the signatures higher in the stack progressivelyapproaching a level condition.

13. The apparatus set forth in claim 12 including means for feeding the signatures seriatim, folded edges first, to

the platform so as to progressively build up the stack on the platform surface, and deflector means interposed in the path of travel of the signatures to the platform to arch the leading folded edge by deflecting the leading folded edges downwardly at both ends before the signature is stacked.

14. The apparatus set forth in claim 12 in which the platform comprises a plurality of spaced-apart elements mounted on a common support.

References Cited in the file of this patent UNITED STATES PATENTS 734,058 Bennett et a1 July 21, 1903 1,147,482 Cheshire July 20, 1915 1,685,799 Baker Oct. -2, 1928 1,750,396 Evans et a1 Mar. 11, 1930 2,147,964 Cherymisin Feb. 21, 1939 2,279,269 Tornberg Apr. 7, 1942 2,359,417 Hand Oct. 3, 1944 2,426,957 Trump Sept. 2, 1947 2,645,476 Wood et al. July 14, 1953 2,770,192 Mitchell et al. Nov. '13, 2,885,205 Sillen May 5, 1959 2,989,305 Smith June 20, 1961 2,991,075 Wheeler et al. July 4, 1961

Claims (1)

  1. 5. APPARATUS FOR THE SUPPORT OF A STACK OF FOLDED SHEETS, THE STACK BEING OF SUCH A SIZE NORMALLY RESULTING IN A CURLING OF THE TOP SURFACE OF THE STACK, COMPRISING A PLATFORM UPON WHICH SAID STACK IS POSITIONED, THE SHAPE OF SAID PLATFORM BEING SUCH THAT IT IS INCLINED DOWNWARDLY AND ARCHED DOWNWARDLY SUBSTANTIALLY TRANSVERSELY TO SAID INCLINATION.
US86199A 1961-01-31 1961-01-31 Method and apparatus for supporting stacks of signatures Expired - Lifetime US3160413A (en)

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Cited By (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3261603A (en) * 1964-05-18 1966-07-19 Uarco Inc Forms stacking device
US3279792A (en) * 1963-11-18 1966-10-18 Donnelley & Sons Co Stacker for paper sheets or signatures
US3507492A (en) * 1967-10-06 1970-04-21 Bonnierfoeretagen Ab Stacking machine with flow control system
US3622150A (en) * 1969-10-20 1971-11-23 Potlatch Forests Inc Sheet conveying and stacking apparatus
US3761080A (en) * 1971-05-21 1973-09-25 Jeddeloh Bros Sweed Mills Inc Sheet stacking apparatus
US3793950A (en) * 1969-09-04 1974-02-26 Ricoh Kk Combination new master supply and used master receiving assembly
US3897052A (en) * 1973-09-04 1975-07-29 Standard Register Co Apparatus for stacking business forms
JPS57184016A (en) * 1981-04-09 1982-11-12 Ferag Ag Device for extracting flat flexible product, particularly, printed product, from current of product forwarded by means of conveyor device
FR2569669A1 (en) * 1984-09-06 1986-03-07 Thomson Csf Mat Tel Sheet receptacle for a machine supplying documents in the form of separate sheets
EP0193986A1 (en) * 1985-02-27 1986-09-10 Océ-Nederland B.V. A device for collecting sheets
US4667949A (en) * 1983-05-26 1987-05-26 Am International, Inc. Sheet stacking device
US4783065A (en) * 1983-08-31 1988-11-08 Graves Sr Glen L Feeder apparatus for feeding sheet material sections
EP0337315A2 (en) * 1988-04-13 1989-10-18 Vittoria Indirizzi Conpit S.R.L. System and method for collating book and pamphlet signatures and the like
US4898373A (en) * 1986-07-03 1990-02-06 Newsome John R High speed signature manipulating apparatus
US4911421A (en) * 1986-03-21 1990-03-27 Stepper, Inc. Newspaper handling and collating method and apparatus
US4934687A (en) * 1988-01-11 1990-06-19 Galpin Research, Limited Partnership High speed stream fed stacker method and system for printed products
US4940219A (en) * 1988-03-18 1990-07-10 Bertin & Cie Apparatus for forming a stack of flat objects such as letters
US5016867A (en) * 1989-12-04 1991-05-21 Xerox Corporation Sheet stacking apparatus
EP0440262A2 (en) * 1990-02-02 1991-08-07 Canon Kabushiki Kaisha Thermal fixing apparatus and image forming apparatus having the same
US5042792A (en) * 1988-11-11 1991-08-27 Ferag Ag Process and apparatus for the conveying of printing products
US5279536A (en) * 1992-10-09 1994-01-18 Abreu Michael L Handling apparatus for a continuous web of Z-fold computer paper
US5605528A (en) * 1995-01-23 1997-02-25 Output Technology Corporation Paper collector with resilient paper support assembly for facilitating refolding and restacking fanfold paper discharged from a continous form printer or the like
US5618036A (en) * 1995-11-16 1997-04-08 Lexmark International, Inc. Printer with distribution stations having U-shaped sheet guide
US5709382A (en) * 1995-05-15 1998-01-20 Tohoku Ricoh Co., Ltd. Sheet discharging device for a printer
DE102004005847A1 (en) * 2004-02-06 2005-08-25 Nexpress Solutions Llc Tray for a printing press
US20080264520A1 (en) * 2007-04-24 2008-10-30 Meinan Machinery Works, Inc. Method of holding a veneer sheet
US20120319349A1 (en) * 2011-06-16 2012-12-20 Hon Hai Precision Industry Co., Ltd. Output mechanism
US20150048567A1 (en) * 2013-08-19 2015-02-19 Kodak Alaris Inc. Offset print stacking tray with waste area

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US3658324A (en) * 1970-05-04 1972-04-25 Norfin Sheet stack jogging mechanism
DE19855191C2 (en) * 1998-11-30 2002-06-20 Oce Printing Systems Gmbh Stacking device for an output unit of a printing device

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US734058A (en) * 1903-01-15 1903-07-21 American Tin Plate Company Machine for piling metal sheets.
US1147482A (en) * 1914-02-20 1915-07-20 Carey A Cheshire Base-plate for feeding mechanisms.
US1685799A (en) * 1928-10-02 Sylvania
US1750396A (en) * 1927-09-28 1930-03-11 American Sheet & Tin Plate Piling and packing apparatus
US2147964A (en) * 1937-10-25 1939-02-21 Cherymisin John Holding rack for wrappers
US2279269A (en) * 1940-02-15 1942-04-07 Wood Newspaper Mach Corp Rotary stuffing machine
US2359417A (en) * 1943-03-02 1944-10-03 Morsegraph Inc Method of and machine for stacking and compacting folded plies of paper web
US2426957A (en) * 1945-05-26 1947-09-02 Gen Aniline & Film Corp Means for receiving sheet material for printing machines
US2645476A (en) * 1948-10-01 1953-07-14 Pioneer Dev Co Folding and stacking machine
US2770192A (en) * 1953-06-26 1956-11-13 Addressograph Multigraph Sheet receiving tray for rotary printing machine
US2885205A (en) * 1955-02-28 1959-05-05 Sillen Rutger Carl Oscar Folding machine for paper
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US2991075A (en) * 1958-12-30 1961-07-04 Ibm Bed plate for a card feed

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US1685799A (en) * 1928-10-02 Sylvania
US734058A (en) * 1903-01-15 1903-07-21 American Tin Plate Company Machine for piling metal sheets.
US1147482A (en) * 1914-02-20 1915-07-20 Carey A Cheshire Base-plate for feeding mechanisms.
US1750396A (en) * 1927-09-28 1930-03-11 American Sheet & Tin Plate Piling and packing apparatus
US2147964A (en) * 1937-10-25 1939-02-21 Cherymisin John Holding rack for wrappers
US2279269A (en) * 1940-02-15 1942-04-07 Wood Newspaper Mach Corp Rotary stuffing machine
US2359417A (en) * 1943-03-02 1944-10-03 Morsegraph Inc Method of and machine for stacking and compacting folded plies of paper web
US2426957A (en) * 1945-05-26 1947-09-02 Gen Aniline & Film Corp Means for receiving sheet material for printing machines
US2645476A (en) * 1948-10-01 1953-07-14 Pioneer Dev Co Folding and stacking machine
US2770192A (en) * 1953-06-26 1956-11-13 Addressograph Multigraph Sheet receiving tray for rotary printing machine
US2885205A (en) * 1955-02-28 1959-05-05 Sillen Rutger Carl Oscar Folding machine for paper
US2991075A (en) * 1958-12-30 1961-07-04 Ibm Bed plate for a card feed
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Cited By (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3279792A (en) * 1963-11-18 1966-10-18 Donnelley & Sons Co Stacker for paper sheets or signatures
US3261603A (en) * 1964-05-18 1966-07-19 Uarco Inc Forms stacking device
US3507492A (en) * 1967-10-06 1970-04-21 Bonnierfoeretagen Ab Stacking machine with flow control system
US3793950A (en) * 1969-09-04 1974-02-26 Ricoh Kk Combination new master supply and used master receiving assembly
US3622150A (en) * 1969-10-20 1971-11-23 Potlatch Forests Inc Sheet conveying and stacking apparatus
US3761080A (en) * 1971-05-21 1973-09-25 Jeddeloh Bros Sweed Mills Inc Sheet stacking apparatus
US3897052A (en) * 1973-09-04 1975-07-29 Standard Register Co Apparatus for stacking business forms
JPS57184016A (en) * 1981-04-09 1982-11-12 Ferag Ag Device for extracting flat flexible product, particularly, printed product, from current of product forwarded by means of conveyor device
US4498664A (en) * 1981-04-09 1985-02-12 Ferag Ag Apparatus for removing from a product stream conveyed by means of a conveyor device flexible, flat products, especially printed products
JPH0327463B2 (en) * 1981-04-09 1991-04-16 Ferag Ag
US4667949A (en) * 1983-05-26 1987-05-26 Am International, Inc. Sheet stacking device
US4783065A (en) * 1983-08-31 1988-11-08 Graves Sr Glen L Feeder apparatus for feeding sheet material sections
FR2569669A1 (en) * 1984-09-06 1986-03-07 Thomson Csf Mat Tel Sheet receptacle for a machine supplying documents in the form of separate sheets
EP0193986A1 (en) * 1985-02-27 1986-09-10 Océ-Nederland B.V. A device for collecting sheets
US4911421A (en) * 1986-03-21 1990-03-27 Stepper, Inc. Newspaper handling and collating method and apparatus
US4898373A (en) * 1986-07-03 1990-02-06 Newsome John R High speed signature manipulating apparatus
US4934687A (en) * 1988-01-11 1990-06-19 Galpin Research, Limited Partnership High speed stream fed stacker method and system for printed products
US4940219A (en) * 1988-03-18 1990-07-10 Bertin & Cie Apparatus for forming a stack of flat objects such as letters
EP0337315A2 (en) * 1988-04-13 1989-10-18 Vittoria Indirizzi Conpit S.R.L. System and method for collating book and pamphlet signatures and the like
EP0337315A3 (en) * 1988-04-13 1990-12-12 Plastiver S.A.S. Di Giovanni E Vittorio Vigano' & C. System and method for collating book and pamphlet signatures and the like
US5042792A (en) * 1988-11-11 1991-08-27 Ferag Ag Process and apparatus for the conveying of printing products
US5016867A (en) * 1989-12-04 1991-05-21 Xerox Corporation Sheet stacking apparatus
EP0440262A2 (en) * 1990-02-02 1991-08-07 Canon Kabushiki Kaisha Thermal fixing apparatus and image forming apparatus having the same
EP0440262A3 (en) * 1990-02-02 1991-11-27 Canon Kabushiki Kaisha Thermal fixing apparatus and image forming apparatus having the same
US5485189A (en) * 1990-02-02 1996-01-16 Canon Kabushiki Kaisha Thermal fixing apparatus having member projecting into recording medium
US5279536A (en) * 1992-10-09 1994-01-18 Abreu Michael L Handling apparatus for a continuous web of Z-fold computer paper
US5605528A (en) * 1995-01-23 1997-02-25 Output Technology Corporation Paper collector with resilient paper support assembly for facilitating refolding and restacking fanfold paper discharged from a continous form printer or the like
US5709382A (en) * 1995-05-15 1998-01-20 Tohoku Ricoh Co., Ltd. Sheet discharging device for a printer
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