US20040188911A1 - Booklet maker with contact member - Google Patents
Booklet maker with contact member Download PDFInfo
- Publication number
- US20040188911A1 US20040188911A1 US10/401,339 US40133903A US2004188911A1 US 20040188911 A1 US20040188911 A1 US 20040188911A1 US 40133903 A US40133903 A US 40133903A US 2004188911 A1 US2004188911 A1 US 2004188911A1
- Authority
- US
- United States
- Prior art keywords
- slot
- sheet
- sheets
- contact member
- booklet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000007423 decrease Effects 0.000 abstract 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H45/00—Folding thin material
- B65H45/12—Folding articles or webs with application of pressure to define or form crease lines
- B65H45/18—Oscillating or reciprocating blade folders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H37/00—Article or web delivery apparatus incorporating devices for performing specified auxiliary operations
- B65H37/04—Article or web delivery apparatus incorporating devices for performing specified auxiliary operations for securing together articles or webs, e.g. by adhesive, stitching or stapling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H39/00—Associating, collating, or gathering articles or webs
- B65H39/10—Associating articles from a single source, to form, e.g. a writing-pad
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2405/00—Parts for holding the handled material
- B65H2405/20—Cassettes, holders, bins, decks, trays, supports or magazines for sheets stacked on edge
- B65H2405/22—Cassettes, holders, bins, decks, trays, supports or magazines for sheets stacked on edge pocket like holder
Definitions
- the present disclosure relates to a booklet maker, as would be used, for instance, in conjunction with a digital copier or printer.
- a booklet maker includes a slot for accumulating signature sheets, as would be produced by a printer.
- the accumulated sheets, forming the pages of a booklet are positioned within the stack so that a stapler mechanism and complementary anvil can staple the stack precisely along the intended crease line.
- the creased and stapled sheet sets are then pushed, by a blade, completely through crease rolls, to form the final main fold in the finished booklet.
- the finished booklets are then accumulated in a tray downstream of the crease rolls.
- U.S. Pat. No. 5,316,280 One example of a practical booklet maker design is shown in U.S. Pat. No. 5,316,280.
- the present disclosure relates to an improved design of a booklet maker, which is particularly useful in conjunction with an office-range digital printer.
- an apparatus for folding a set of sheets comprising means defining a slot for accumulating sheets, the slot including a sidewall and a bottom.
- a selectably-operable contact member is disposed near the bottom of the slot, the contact member being operable to press at least one accumulated sheet against the sidewall of the slot.
- Means are provided for operating the contact member following entry of a sheet into the slot.
- a crease roll is disposed adjacent the slot.
- a blade is provided for directing the set of sheets toward the crease roll.
- FIG. 1 is a simplified elevational view of a “finisher module,” including a booklet maker, as would be used with an office-range digital printer.
- FIGS. 2 and 3 are detailed views showing the operation of a device in conjunction with a booklet maker as in FIG. 1.
- FIG. 1 is a simplified elevational view of a “finisher module,” generally indicated as 100 , including a booklet maker, as would be used with an office-range digital printer.
- Printed signature sheets from the printer 99 are accepted in an entry port 102 .
- there may be numerous paths such as 104 and numerous output trays 106 for print sheets, corresponding to different desired actions, such as stapling, hole-punching and C- or Z-folding.
- Booklet maker 110 defines a “slot” which is here indicated as 112 .
- Slot 112 accumulates signature sheets (sheets each having four page images thereon, for eventual folding into pages of the booklet) from the printer 99 .
- Each sheet is held within slot 112 at a level where a stapler 114 can staple the sheets along a midline of the signatures, the midline corresponding to the eventual crease of the finished booklet.
- an elevator 116 which forms the “floor” of the slot 112 on which the edges of the accumulating sheets rest before they are stapled.
- the elevator 116 is placed at different locations along slot 112 depending on the size of the incoming sheets, so that the trailing edge of the sheets will initially be adjacent the sheet ordering roll assembly 111 . Also, elevator 116 is, for a given sheet size, movable (by means not shown, but typically including a motor or solenoid) among three positions, a first position where the trailing edge of the sheets are adjacent the sheet ordering roll assembly 111 , a second position where the midpoint of the sheets are adjacent the stapler 114 , and a third position, as will be described below.
- elevator 116 is positioned so that the trailing edge of the output sheets (which would be at the top of slot 112 ) are disposed at sheet ordering roll assembly 111 .
- elevator 116 is moved from its first position to a second position where the midpoint of the sheets are adjacent the stapler 114 .
- Stapler 114 is activated to place one or more staples along the midpoint of the sheets, where the booklet will eventually be folded.
- elevator 116 is moved from its second position to a third position, where the midpoint of the sheets are adjacent a blade 118 and a nip formed by crease rolls 120 .
- the action of blade 118 and crease rolls 120 performs the final folding, and sharp creasing, of the sheets into the finished booklet.
- Blade 118 contacts the sheet set along the stapled midpoint thereof, and bends the sheet set toward the nip of crease rolls 120 , which draw all the sheets in and form a sharp crease.
- the creased and stapled sheet sets then drawn, by the rotation of crease rolls 120 , completely through the nip, to form the final main fold in the finished booklet.
- the finished booklets are then conducted along path 122 and collected in a tray 124 .
- FIGS. 2 and 3 are detailed views showing the operation of a device in conjunction with a booklet maker as in FIG. 1.
- the elevator 116 forming a backstop to retain the sheet sets at the bottom of slot 112 .
- a solenoid 130 having a plunger 132 with an end cap (or, more broadly, a “contact member”) which is movable from a first, retracted position (shown in FIG. 2) to a second, extended position (shown in FIG. 3) which extends into slot 112 and presses a set of sheets S against one wall of the slot 112 .
- plunger 132 is extended to its second position when the solenoid 130 is energized, such as through a control system as described above.
- a solenoid with a plunger is illustrated, any equivalent hardware can be used, such as including a stepper motor, for instance.
- the curving and fluffing will alter the location of the true midpoint of the sheets during stapling or folding.
- the curving and fluffing can also effectively close off the slot 112 , preventing or resisting the following sheet(s) from entering the slot 112 causing jams or process mis-registration (poor alignment in the direction of sheet travel).
- the solenoid 130 is activated to extend plunger 132 against a full or partial set of sheets in slot 112 following the placement of each new sheet in slot 120 , with the plunger being withdrawn back into its FIG. 2 position in intervals to allow each new sheet to fully enter slot 112 .
- the pressing of plunger 132 after the entry of each sheet helps to open up space within slot 112 for receiving the next sheet, which provides a practical advantage, as can be seen by comparing FIGS. 2 and 3.
- plunger 132 defines a contact member which is of a small size, such as one-half inch in diameter or generally less than three square inches in effective area, where it contacts the sheet in slot 112 . It may alternately be desirable, in some circumstances, to have a larger contact member, contacting the sheet over more surface area. A larger contact member may be useful in pushing air from between sheets in the slot 112 ; however, in some designs, due to static electricity in the sheets, a large contact member may cause the sheet to stick to the left wall, and thus cause the sheet to get out of order relative to other sheets which will enter slot 112 later.
- a flapper drive roll also penetrates into the paper path slot 112 after each sheet is fed into slot 112 , but before the solenoid 130 is energized to ensure that the sheet is driven all the way to the backstop 116 .
- the action of flapper drive roll 113 also generates fluff and curl in the lower half of the slot 112 , reinforcing the requirement of using solenoid 130 to remove/reduce the fluff and curl in the lower half of slot 112 .
- the extended plunger 132 can be used to pin the whole stack in position for stapling and moving of the stack on elevator 116 so that the midpoint of the stack is aligned with the blade 118 .
- the plunger 132 is released so that the sheet stack can be drawn through the creasing rolls 120 as shown in FIG. 1.
Abstract
Description
- The present disclosure relates to a booklet maker, as would be used, for instance, in conjunction with a digital copier or printer.
- Booklet makers are well-known devices for forming folded booklets which are stapled along the crease thereof. It is becoming common to include booklet makers in conjunction with office-range copiers and printers (as used herein, a “copier” will be considered a type of “printer”). In basic form, a booklet maker includes a slot for accumulating signature sheets, as would be produced by a printer. The accumulated sheets, forming the pages of a booklet, are positioned within the stack so that a stapler mechanism and complementary anvil can staple the stack precisely along the intended crease line. In one embodiment, the creased and stapled sheet sets are then pushed, by a blade, completely through crease rolls, to form the final main fold in the finished booklet. The finished booklets are then accumulated in a tray downstream of the crease rolls. One example of a practical booklet maker design is shown in U.S. Pat. No. 5,316,280.
- The present disclosure relates to an improved design of a booklet maker, which is particularly useful in conjunction with an office-range digital printer.
- According to one aspect of the present invention, there is provided an apparatus for folding a set of sheets, comprising means defining a slot for accumulating sheets, the slot including a sidewall and a bottom. A selectably-operable contact member is disposed near the bottom of the slot, the contact member being operable to press at least one accumulated sheet against the sidewall of the slot. Means are provided for operating the contact member following entry of a sheet into the slot. A crease roll is disposed adjacent the slot. A blade is provided for directing the set of sheets toward the crease roll.
- FIG. 1 is a simplified elevational view of a “finisher module,” including a booklet maker, as would be used with an office-range digital printer.
- FIGS. 2 and 3 are detailed views showing the operation of a device in conjunction with a booklet maker as in FIG. 1.
- FIG. 1 is a simplified elevational view of a “finisher module,” generally indicated as100, including a booklet maker, as would be used with an office-range digital printer. Printed signature sheets from the
printer 99 are accepted in anentry port 102. Depending on the specific design offinisher module 100, there may be numerous paths such as 104 andnumerous output trays 106 for print sheets, corresponding to different desired actions, such as stapling, hole-punching and C- or Z-folding. It is to be understood that the various rollers and other devices which contact and handle sheets withinfinisher module 100 are driven by various motors, solenoids and other electromechanical devices (not shown), under a control system, such as including a microprocessor (not shown), within thefinisher module 100,printer 99, or elsewhere, in a manner generally familiar in the art. For present purposes what is of interest is the booklet maker generally indicated as 110. -
Booklet maker 110 defines a “slot” which is here indicated as 112.Slot 112 accumulates signature sheets (sheets each having four page images thereon, for eventual folding into pages of the booklet) from theprinter 99. Each sheet is held withinslot 112 at a level where astapler 114 can staple the sheets along a midline of the signatures, the midline corresponding to the eventual crease of the finished booklet. In order to hold sheets of a given size at the desired level relative to thestapler 114, there is provided at the bottom ofslot 112 anelevator 116, which forms the “floor” of theslot 112 on which the edges of the accumulating sheets rest before they are stapled. Theelevator 116 is placed at different locations alongslot 112 depending on the size of the incoming sheets, so that the trailing edge of the sheets will initially be adjacent the sheetordering roll assembly 111. Also,elevator 116 is, for a given sheet size, movable (by means not shown, but typically including a motor or solenoid) among three positions, a first position where the trailing edge of the sheets are adjacent the sheetordering roll assembly 111, a second position where the midpoint of the sheets are adjacent thestapler 114, and a third position, as will be described below. - As printed signature sheets are output from
printer 99,elevator 116 is positioned so that the trailing edge of the output sheets (which would be at the top of slot 112) are disposed at sheetordering roll assembly 111. When all of the necessary sheets to form a desired booklet are accumulated inslot 112,elevator 116 is moved from its first position to a second position where the midpoint of the sheets are adjacent thestapler 114.Stapler 114 is activated to place one or more staples along the midpoint of the sheets, where the booklet will eventually be folded. - After the stapling,
elevator 116 is moved from its second position to a third position, where the midpoint of the sheets are adjacent ablade 118 and a nip formed bycrease rolls 120. The action ofblade 118 andcrease rolls 120 performs the final folding, and sharp creasing, of the sheets into the finished booklet.Blade 118 contacts the sheet set along the stapled midpoint thereof, and bends the sheet set toward the nip ofcrease rolls 120, which draw all the sheets in and form a sharp crease. The creased and stapled sheet sets then drawn, by the rotation ofcrease rolls 120, completely through the nip, to form the final main fold in the finished booklet. The finished booklets are then conducted alongpath 122 and collected in atray 124. - FIGS. 2 and 3 are detailed views showing the operation of a device in conjunction with a booklet maker as in FIG. 1. Of interest is the
elevator 116, forming a backstop to retain the sheet sets at the bottom ofslot 112. As shown, there is associated with backstop 116 asolenoid 130, having aplunger 132 with an end cap (or, more broadly, a “contact member”) which is movable from a first, retracted position (shown in FIG. 2) to a second, extended position (shown in FIG. 3) which extends intoslot 112 and presses a set of sheets S against one wall of theslot 112. In this embodiment,plunger 132 is extended to its second position when thesolenoid 130 is energized, such as through a control system as described above. Also, although a solenoid with a plunger is illustrated, any equivalent hardware can be used, such as including a stepper motor, for instance. - As can be seen by comparing FIGS. 2 and 3, when the
plunger 132 is extended into its second position, the sheets S which are inslot 112 at any time are pushed against a wall ofslot 112. The configuration of sheets S in FIG. 2 shows why the use ofplunger 132 is desirable: without theplunger 132, the accumulating sheets inslot 112 may be curved and/or “fluffed” (have appreciable cushions of air between adjacent sheets). The curving and fluffing can result in imprecisions in the placement of staples bystapler 114 as shown in FIG. 1, and/or in the folding of the booklet byblade 118 as shown in FIG. 1: the curving and fluffing will alter the location of the true midpoint of the sheets during stapling or folding. The curving and fluffing can also effectively close off theslot 112, preventing or resisting the following sheet(s) from entering theslot 112 causing jams or process mis-registration (poor alignment in the direction of sheet travel). - According to one embodiment, the
solenoid 130 is activated to extendplunger 132 against a full or partial set of sheets inslot 112 following the placement of each new sheet inslot 120, with the plunger being withdrawn back into its FIG. 2 position in intervals to allow each new sheet to fully enterslot 112. However, the pressing ofplunger 132 after the entry of each sheet helps to open up space withinslot 112 for receiving the next sheet, which provides a practical advantage, as can be seen by comparing FIGS. 2 and 3. - As shown in the illustrated embodiment,
plunger 132 defines a contact member which is of a small size, such as one-half inch in diameter or generally less than three square inches in effective area, where it contacts the sheet inslot 112. It may alternately be desirable, in some circumstances, to have a larger contact member, contacting the sheet over more surface area. A larger contact member may be useful in pushing air from between sheets in theslot 112; however, in some designs, due to static electricity in the sheets, a large contact member may cause the sheet to stick to the left wall, and thus cause the sheet to get out of order relative to other sheets which will enterslot 112 later. - A flapper drive roll, indicated as113, also penetrates into the
paper path slot 112 after each sheet is fed intoslot 112, but before thesolenoid 130 is energized to ensure that the sheet is driven all the way to thebackstop 116. However, the action offlapper drive roll 113 also generates fluff and curl in the lower half of theslot 112, reinforcing the requirement of usingsolenoid 130 to remove/reduce the fluff and curl in the lower half ofslot 112. - When the full sheet set is accumulated in
slot 112, theextended plunger 132 can be used to pin the whole stack in position for stapling and moving of the stack onelevator 116 so that the midpoint of the stack is aligned with theblade 118. When the creasing fromblade 118 begins, theplunger 132 is released so that the sheet stack can be drawn through thecreasing rolls 120 as shown in FIG. 1.
Claims (9)
Priority Applications (1)
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US10/401,339 US6799759B1 (en) | 2003-03-27 | 2003-03-27 | Booklet maker with contact member |
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US10/401,339 US6799759B1 (en) | 2003-03-27 | 2003-03-27 | Booklet maker with contact member |
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US20040188911A1 true US20040188911A1 (en) | 2004-09-30 |
US6799759B1 US6799759B1 (en) | 2004-10-05 |
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US10/401,339 Expired - Lifetime US6799759B1 (en) | 2003-03-27 | 2003-03-27 | Booklet maker with contact member |
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Cited By (15)
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US20040126163A1 (en) * | 2002-09-20 | 2004-07-01 | Shinji Asami | Binding apparatus, paper processing apparatus and image forming system |
US20050121848A1 (en) * | 2003-09-18 | 2005-06-09 | Canon Finetech Inc. | Sheet post-processing unit and image forming apparatus |
US20050230896A1 (en) * | 2004-04-16 | 2005-10-20 | Canon Finetech Inc. | Sheet treating apparatus and image forming apparatus therewith |
US20050230898A1 (en) * | 2004-04-16 | 2005-10-20 | Canon Finetech Inc. | Sheet processing apparatus and image forming apparatus having the same |
US20060097445A1 (en) * | 2004-11-05 | 2006-05-11 | Canon Kabushiki Kaisha | Sheet processing apparatus and image forming apparatus |
US20080067735A1 (en) * | 2006-09-19 | 2008-03-20 | Yanmin Mao | Fixed side edge registration system |
US20080150213A1 (en) * | 2003-09-18 | 2008-06-26 | Canon Finetech Inc. | Sheet Post-Processing Unit and Image Forming Apparatus |
US20090005229A1 (en) * | 2007-06-26 | 2009-01-01 | Xerox Corporation | Bookletmaker nip-idler assist creasing device |
US20090033015A1 (en) * | 2007-07-30 | 2009-02-05 | Kabushiki Kaisha Toshiba | Sheet folding apparatus, sheet folding method, and image forming apparatus |
CN101722759A (en) * | 2008-10-30 | 2010-06-09 | 施乐公司 | automated booklet maker |
US20140061990A1 (en) * | 2012-08-28 | 2014-03-06 | Canon Kabushiki Kaisha | Sheet processing apparatus and image forming apparatus |
WO2014175822A1 (en) * | 2013-04-26 | 2014-10-30 | Plockmatic International Ab | Booklet making machine with thickness sensor |
JP2015067407A (en) * | 2013-09-30 | 2015-04-13 | 株式会社リコー | Sheet binding device and image forming device |
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US20040126163A1 (en) * | 2002-09-20 | 2004-07-01 | Shinji Asami | Binding apparatus, paper processing apparatus and image forming system |
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US20080067735A1 (en) * | 2006-09-19 | 2008-03-20 | Yanmin Mao | Fixed side edge registration system |
US7537558B2 (en) | 2007-06-26 | 2009-05-26 | Xerox Corporation | Bookletmaker nip-idler assist creasing device |
US20090005229A1 (en) * | 2007-06-26 | 2009-01-01 | Xerox Corporation | Bookletmaker nip-idler assist creasing device |
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US8096541B2 (en) * | 2007-07-30 | 2012-01-17 | Kabushiki Kaisha Toshiba | Sheet folding apparatus, sheet folding method, and image forming apparatus |
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US20140061990A1 (en) * | 2012-08-28 | 2014-03-06 | Canon Kabushiki Kaisha | Sheet processing apparatus and image forming apparatus |
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WO2014175822A1 (en) * | 2013-04-26 | 2014-10-30 | Plockmatic International Ab | Booklet making machine with thickness sensor |
JP2015067407A (en) * | 2013-09-30 | 2015-04-13 | 株式会社リコー | Sheet binding device and image forming device |
JP2018079700A (en) * | 2018-02-09 | 2018-05-24 | 株式会社リコー | Sheet binding device and image forming device |
CN111907230A (en) * | 2019-05-08 | 2020-11-10 | 施乐公司 | System and apparatus for mitigating curl in substrates printed by inkjet printers |
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