US20060163795A1 - Sheet compiler for use in a finisher, such as used with a printing apparatus - Google Patents
Sheet compiler for use in a finisher, such as used with a printing apparatus Download PDFInfo
- Publication number
- US20060163795A1 US20060163795A1 US11/044,506 US4450605A US2006163795A1 US 20060163795 A1 US20060163795 A1 US 20060163795A1 US 4450605 A US4450605 A US 4450605A US 2006163795 A1 US2006163795 A1 US 2006163795A1
- Authority
- US
- United States
- Prior art keywords
- compiler
- sheets
- stack
- backstop
- tray
- 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.)
- Abandoned
Links
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
- B65H31/00—Pile receivers
- B65H31/34—Apparatus for squaring-up piled articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42C—BOOKBINDING
- B42C1/00—Collating or gathering sheets combined with processes for permanently attaching together sheets or signatures or for interposing inserts
- B42C1/12—Machines for both collating or gathering and permanently attaching together the sheets or signatures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H31/00—Pile receivers
- B65H31/02—Pile receivers with stationary end support against which pile accumulates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H31/00—Pile receivers
- B65H31/30—Arrangements for removing completed piles
- B65H31/3027—Arrangements for removing completed piles by the nip between moving belts or rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H31/00—Pile receivers
- B65H31/30—Arrangements for removing completed piles
- B65H31/3054—Arrangements for removing completed piles by moving the surface supporting the lowermost article of the pile, e.g. by using belts or rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2301/00—Handling processes for sheets or webs
- B65H2301/40—Type of handling process
- B65H2301/42—Piling, depiling, handling piles
- B65H2301/421—Forming a pile
- B65H2301/4213—Forming a pile of a limited number of articles, e.g. buffering, forming bundles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2301/00—Handling processes for sheets or webs
- B65H2301/40—Type of handling process
- B65H2301/42—Piling, depiling, handling piles
- B65H2301/422—Handling piles, sets or stacks of articles
- B65H2301/4226—Delivering, advancing piles
- B65H2301/42262—Delivering, advancing piles by acting on surface of outermost articles of the pile, e.g. in nip between pair of belts or rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2404/00—Parts for transporting or guiding the handled material
- B65H2404/10—Rollers
- B65H2404/11—Details of cross-section or profile
- B65H2404/111—Details of cross-section or profile shape
- B65H2404/1114—Paddle wheel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2801/00—Application field
- B65H2801/24—Post -processing devices
- B65H2801/27—Devices located downstream of office-type machines
Definitions
- the present disclosure relates to a “finisher,” such as for compiling and stapling of sheets, as would be used in, for example, a high-speed digital printing apparatus.
- finisher In printers and copiers of a certain speed and print volume, it is common to provide a “finisher,” which performs various functions on sheets after the sheets receive printed images thereon. Typical finisher functions include folding and hole-punching, but the most common finisher functions are compiling and stapling a set of sheets, such as would form a multi-page document.
- a typical arrangement for a compiler-stapler portion of a finisher includes an uphill-sloped compiler tray, which defines a wall or backstop at the lower edge thereof. Sheets received from a print engine are caught in the compiler tray and align by gravity against the backstop. The backstop thus holds the sheets until all of the sheets are collected in the compiler tray, at which time the stack of sheets against the backstop may be stapled. The now-stapled set of sheets is then ejected from the compiler tray, such as into an output tray.
- U.S. Pat. Nos. 5,289,251 and 6,666,444 show examples of such a compiler-stapler, of a design including what can be called a “compiler belt”.
- the compiler belt is a substantially flexible belt that hangs loosely from a rotating roll disposed over the compiler tray.
- the hanging compiler belt can contact the topmost sheet in the compiler tray, and by its rotation, can push the topmost sheet toward the backstop, thus ensuring that each sheet is aligned against the backstop prior to stapling.
- a sloped compiler tray receives sheets and includes a backstop at a lower edge thereof.
- An upper compiler member is positioned to contact a top sheet retained in the compiler tray, and is movable to convey the top sheet toward the backstop.
- a lower compiler member is positioned to contact a bottom sheet retained in the compiler tray, and is movable to convey the bottom sheet toward the backstop.
- FIGS. 1-4 are a series of simplified elevational views showing the structure and operation of a compiler-stapler.
- FIGS. 1-4 are a series of simplified elevational views showing the structure and operation of a compiler-stapler.
- Sheets such as emerging from a buffer (shown schematically as 99 ) downstream of a print engine such as an electrostatographic print engine (shown schematically as 98 ) are ejected from a chute 10 , pushed by roll pair 12 . It is generally intended that the sheets, which have been buffered to form a sheet stack SS, fall into the uphill compiler tray 20 , and align themselves against backstop 22 .
- FIG. 1 right after the sheet stack SS emerges from chute 10 , the sheets therein are stacked, but not aligned.
- sheet stack SS includes three sheets, and the middle sheet of the stack trails the other sheets. This is a typical artifact of one type of buffering method, although different types of buffering methods will cause different sheets in the stack to trail the others.
- FIG. 2 shows the sheet stack SS after it has fallen, largely by gravity, into compiler tray 20 and toward backstop 22 .
- a compiler flapper 26 as well as an eject flapper 28 .
- the compiler flapper 26 is disposed close to the backstop 22 (such as 1-2 inches) and rotates in a direction so that it will contact the top sheet in stack SS and thus draw the top sheet toward the backstop 22 .
- a functional equivalent to the compiler flapper 26 would be a hanging compiler belt, such as described with reference to the patents mentioned above: as used herein, a flapper, compiler belt, roll, or other movable member in contact with the top sheet can be considered an “upper compiler member.”
- An effectively flexible member, such as a flapper or hanging belt, provides roughly the same amount of drive allowing for variations in the stack height on compiler tray 20 .
- lower compiler roll 30 is positioned to contact the bottom sheet in the stack SS and draw it toward the backstop 22 .
- lower compiler roll 30 is mounted so that a portion of the circumference thereof emerges through an opening in the compiler tray 20 .
- a belt, roll, or other movable member in contact with the bottom sheet can be considered a “lower compiler member”.
- One possible variation on the illustrated lower compiler roll 30 is a three-legged flapper, which in some orientations would not broach the surface of complier tray 20 ; other relatively flexible rollers may provide practical advantages for lower compiler roll 30 in specific designs.
- the compiler flapper 26 engages the top sheet of the stack and the lower compiler roll 30 engages the bottom sheet of the stack, both drawing the stack SS toward the backstop 22 .
- the second or middle sheet in stack SS because it had been trailing the other sheets when the stack SS was first emitted from the chute 10 , is first to contact backstop 22 .
- the middle sheet is driven towards the backstop due to the friction between it and the top and bottom sheets.
- the compiler flapper 26 and the lower compiler roll 30 then continue to draw the top and bottom sheets respectively toward the backstop 22 , until all three sheets are aligned against backstop 22 , as shown in FIG. 4 .
- the stack When all of the sheets in stack SS are aligned against backstop 22 , then the stack, along with any further sheets that are emitted from chute 10 , can be stapled, if desired, by stapler 24 .
- the compiled or stapled set of sheets can then be ejected at once from the compiler tray 10 by an ejection roll 32 , although other devices such as “kickers” may be provided for ejection as well.
- ejection roll 32 During the ejection step, lower compiler roll 30 may be disengaged, so as not to interfere with the ejection, or even caused to rotate in a direction suitable for ejection of a set from compiler tray 20 .
- rollers, flappers, and other hardware shown in the Figures would, in a practical application, be driven by controllable motors as coordinated by a control system, as is generally familiar in the art of finishers, and which is generally illustrated as 100 .
- a control system as is generally familiar in the art of finishers, and which is generally illustrated as 100 .
- electromechanical and/or optoelectronic sensors (not shown) to detect positions of sheets and other parts in the illustrated apparatus; these sensors can be used to provide data to the control system operating the hardware.
- the apparatus can be controlled to operate differently when single sheets are entering the compiler, one at a time.
- the lower compiler roll 30 can be allowed to roll freely and the flapper 26 can be stopped. Determining whether single sheets or a stack of sheets are being emitted from chute 10 at a given time can be done by control system 100 by monitoring the behavior of the buffer 99 , or by determining that a stack of sheets has been ejected from compiler tray 20 . Also, it may be functionally important to operate the hardware in a certain way if the stack is known or determined to have three or more sheets therein: a stack having three or more sheets will have a top sheet, bottom sheet, and one or more middle sheets.
Abstract
Description
- The present disclosure relates to a “finisher,” such as for compiling and stapling of sheets, as would be used in, for example, a high-speed digital printing apparatus.
- In printers and copiers of a certain speed and print volume, it is common to provide a “finisher,” which performs various functions on sheets after the sheets receive printed images thereon. Typical finisher functions include folding and hole-punching, but the most common finisher functions are compiling and stapling a set of sheets, such as would form a multi-page document.
- A typical arrangement for a compiler-stapler portion of a finisher includes an uphill-sloped compiler tray, which defines a wall or backstop at the lower edge thereof. Sheets received from a print engine are caught in the compiler tray and align by gravity against the backstop. The backstop thus holds the sheets until all of the sheets are collected in the compiler tray, at which time the stack of sheets against the backstop may be stapled. The now-stapled set of sheets is then ejected from the compiler tray, such as into an output tray.
- U.S. Pat. Nos. 5,289,251 and 6,666,444 show examples of such a compiler-stapler, of a design including what can be called a “compiler belt”. The compiler belt is a substantially flexible belt that hangs loosely from a rotating roll disposed over the compiler tray. The hanging compiler belt can contact the topmost sheet in the compiler tray, and by its rotation, can push the topmost sheet toward the backstop, thus ensuring that each sheet is aligned against the backstop prior to stapling.
- With higher-speed printers and copiers, it is known to provide a system to “buffer” sheets as they emerge from the print engine; that is, in order to accommodate the timing of an operation done by the finisher, such as stapling and ejection of a set, sheets emerging from the print engine at a substantially even rate are temporarily withheld from the finisher until the finisher is ready to accept them. As a practical matter this means that, following a finisher operation during which sheets from the print engine are buffered or withheld, a small stack of sheets are sent to the finisher, instead of the usual one sheet at a time. If a stack of multiple sheets is collected in the compiler tray, there may be a problem of ensuring that all of the sheets in the stack are aligned against the backstop prior to stapling.
- There is provided an apparatus and method for interacting with sheets. A sloped compiler tray receives sheets and includes a backstop at a lower edge thereof. An upper compiler member is positioned to contact a top sheet retained in the compiler tray, and is movable to convey the top sheet toward the backstop. A lower compiler member is positioned to contact a bottom sheet retained in the compiler tray, and is movable to convey the bottom sheet toward the backstop.
-
FIGS. 1-4 are a series of simplified elevational views showing the structure and operation of a compiler-stapler. -
FIGS. 1-4 are a series of simplified elevational views showing the structure and operation of a compiler-stapler. Sheets, such as emerging from a buffer (shown schematically as 99) downstream of a print engine such as an electrostatographic print engine (shown schematically as 98) are ejected from achute 10, pushed byroll pair 12. It is generally intended that the sheets, which have been buffered to form a sheet stack SS, fall into theuphill compiler tray 20, and align themselves againstbackstop 22. As shown inFIG. 1 , right after the sheet stack SS emerges fromchute 10, the sheets therein are stacked, but not aligned. In the illustrated case, sheet stack SS includes three sheets, and the middle sheet of the stack trails the other sheets. This is a typical artifact of one type of buffering method, although different types of buffering methods will cause different sheets in the stack to trail the others. - Because of the coefficient of friction between adjacent sheets within a stack, when a stack of sheets SS is deposited into an uphill compiler tray, all of the sheets in the stack SS may not successfully slide downward to be aligned against
backstop 22, with the result that the sheets in stack SS will not be suitably aligned, such as for stapling by astapler 24. -
FIG. 2 shows the sheet stack SS after it has fallen, largely by gravity, into compiler tray 20 and towardbackstop 22. There is provided in this embodiment acompiler flapper 26 as well as aneject flapper 28. Thecompiler flapper 26 is disposed close to the backstop 22 (such as 1-2 inches) and rotates in a direction so that it will contact the top sheet in stack SS and thus draw the top sheet toward thebackstop 22. A functional equivalent to thecompiler flapper 26 would be a hanging compiler belt, such as described with reference to the patents mentioned above: as used herein, a flapper, compiler belt, roll, or other movable member in contact with the top sheet can be considered an “upper compiler member.” An effectively flexible member, such as a flapper or hanging belt, provides roughly the same amount of drive allowing for variations in the stack height oncompiler tray 20. - While the compiler flapper 26 acts to push the top sheet of stack SS toward
backstop 22, another roll,lower compiler roll 30, is positioned to contact the bottom sheet in the stack SS and draw it toward thebackstop 22. As shown,lower compiler roll 30 is mounted so that a portion of the circumference thereof emerges through an opening in thecompiler tray 20. As used herein, a belt, roll, or other movable member in contact with the bottom sheet can be considered a “lower compiler member”. One possible variation on the illustratedlower compiler roll 30 is a three-legged flapper, which in some orientations would not broach the surface ofcomplier tray 20; other relatively flexible rollers may provide practical advantages forlower compiler roll 30 in specific designs. - When the sheet stack SS is in the position shown in
FIG. 2 , the compiler flapper 26 engages the top sheet of the stack and thelower compiler roll 30 engages the bottom sheet of the stack, both drawing the stack SS toward thebackstop 22. As shown inFIG. 3 , the second or middle sheet in stack SS, because it had been trailing the other sheets when the stack SS was first emitted from thechute 10, is first to contactbackstop 22. The middle sheet is driven towards the backstop due to the friction between it and the top and bottom sheets. The compiler flapper 26 and thelower compiler roll 30 then continue to draw the top and bottom sheets respectively toward thebackstop 22, until all three sheets are aligned againstbackstop 22, as shown inFIG. 4 . - When all of the sheets in stack SS are aligned against
backstop 22, then the stack, along with any further sheets that are emitted fromchute 10, can be stapled, if desired, bystapler 24. The compiled or stapled set of sheets can then be ejected at once from thecompiler tray 10 by anejection roll 32, although other devices such as “kickers” may be provided for ejection as well. During the ejection step,lower compiler roll 30 may be disengaged, so as not to interfere with the ejection, or even caused to rotate in a direction suitable for ejection of a set fromcompiler tray 20. - The various rollers, flappers, and other hardware shown in the Figures would, in a practical application, be driven by controllable motors as coordinated by a control system, as is generally familiar in the art of finishers, and which is generally illustrated as 100. There may also be provided any number of electromechanical and/or optoelectronic sensors (not shown) to detect positions of sheets and other parts in the illustrated apparatus; these sensors can be used to provide data to the control system operating the hardware.
- Although the illustrated series of steps shows what happens when a stack of three buffered sheets enters the compiler-stapler, the apparatus can be controlled to operate differently when single sheets are entering the compiler, one at a time. For example, and depending on a specific implementation, when single sheets are emitted from
chute 10 and deposited incompiler tray 20, thelower compiler roll 30 can be allowed to roll freely and theflapper 26 can be stopped. Determining whether single sheets or a stack of sheets are being emitted fromchute 10 at a given time can be done bycontrol system 100 by monitoring the behavior of thebuffer 99, or by determining that a stack of sheets has been ejected fromcompiler tray 20. Also, it may be functionally important to operate the hardware in a certain way if the stack is known or determined to have three or more sheets therein: a stack having three or more sheets will have a top sheet, bottom sheet, and one or more middle sheets. - The claims, as originally presented and as they may be amended, encompass variations, alternatives, modifications, improvements, equivalents, and substantial equivalents of the embodiments and teachings disclosed herein, including those that are presently unforeseen or unappreciated, and that, for example, may arise from applicants/patentees and others.
Claims (18)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/044,506 US20060163795A1 (en) | 2005-01-27 | 2005-01-27 | Sheet compiler for use in a finisher, such as used with a printing apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/044,506 US20060163795A1 (en) | 2005-01-27 | 2005-01-27 | Sheet compiler for use in a finisher, such as used with a printing apparatus |
Publications (1)
Publication Number | Publication Date |
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US20060163795A1 true US20060163795A1 (en) | 2006-07-27 |
Family
ID=36695965
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/044,506 Abandoned US20060163795A1 (en) | 2005-01-27 | 2005-01-27 | Sheet compiler for use in a finisher, such as used with a printing apparatus |
Country Status (1)
Country | Link |
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US (1) | US20060163795A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060071410A1 (en) * | 2004-09-02 | 2006-04-06 | Fuji Xerox Co., Ltd. | Post-processing apparatus |
CN110255268A (en) * | 2019-05-31 | 2019-09-20 | 深圳怡化金融设备制造有限公司 | Note transmission device and bill delivery apparatus |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5911414A (en) * | 1996-12-27 | 1999-06-15 | Canon Kabushiki Kaisha | Sheet transport apparatus having a hole puncher, and sheet processing device |
US20030123902A1 (en) * | 2001-12-28 | 2003-07-03 | Xerox Corporation | Printing machine discharge arrangement |
US20030143006A1 (en) * | 2000-07-04 | 2003-07-31 | Koji Kirino | Sheet post -processing device and image-forming device |
US6666444B1 (en) * | 2002-11-27 | 2003-12-23 | Xerox Corporation | Sheet set compiling system with dual mode set ejection and first sheet feeding and reversal |
US6767012B2 (en) * | 2000-04-24 | 2004-07-27 | Nisca Corporation | Sheet post processing apparatus |
US20040175217A1 (en) * | 2003-03-07 | 2004-09-09 | Canon Finetech Inc. | Sheet processing apparatus and image forming apparatus equipped with same |
US20040181308A1 (en) * | 2003-03-07 | 2004-09-16 | Canon Finetech Inc. | Sheet processing apparatus and image forming apparatus including the sheet processing apparatus |
-
2005
- 2005-01-27 US US11/044,506 patent/US20060163795A1/en not_active Abandoned
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5911414A (en) * | 1996-12-27 | 1999-06-15 | Canon Kabushiki Kaisha | Sheet transport apparatus having a hole puncher, and sheet processing device |
US6767012B2 (en) * | 2000-04-24 | 2004-07-27 | Nisca Corporation | Sheet post processing apparatus |
US20030143006A1 (en) * | 2000-07-04 | 2003-07-31 | Koji Kirino | Sheet post -processing device and image-forming device |
US20030123902A1 (en) * | 2001-12-28 | 2003-07-03 | Xerox Corporation | Printing machine discharge arrangement |
US6666444B1 (en) * | 2002-11-27 | 2003-12-23 | Xerox Corporation | Sheet set compiling system with dual mode set ejection and first sheet feeding and reversal |
US20040175217A1 (en) * | 2003-03-07 | 2004-09-09 | Canon Finetech Inc. | Sheet processing apparatus and image forming apparatus equipped with same |
US20040181308A1 (en) * | 2003-03-07 | 2004-09-16 | Canon Finetech Inc. | Sheet processing apparatus and image forming apparatus including the sheet processing apparatus |
US7165764B2 (en) * | 2003-03-07 | 2007-01-23 | Canon Kabushiki Kaisha | Sheet processing apparatus with buffer for sheet finisher |
US7192020B2 (en) * | 2003-03-07 | 2007-03-20 | Canon Finetech Inc. | Sheet processing apparatus for storing supplied sheets while preceding sheet are processed |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060071410A1 (en) * | 2004-09-02 | 2006-04-06 | Fuji Xerox Co., Ltd. | Post-processing apparatus |
US7624976B2 (en) * | 2004-09-02 | 2009-12-01 | Fuji Xerox Co., Ltd. | Post-processing apparatus |
CN110255268A (en) * | 2019-05-31 | 2019-09-20 | 深圳怡化金融设备制造有限公司 | Note transmission device and bill delivery apparatus |
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Legal Events
Date | Code | Title | Description |
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AS | Assignment |
Owner name: XEROX CORPORATION, CONNECTICUT Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:REEVES, ROBERT JAMES DOUGLAS;REEL/FRAME:016233/0390 Effective date: 20050126 |
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AS | Assignment |
Owner name: JP MORGAN CHASE BANK,TEXAS Free format text: SECURITY AGREEMENT;ASSIGNOR:XEROX CORPORATION;REEL/FRAME:016761/0158 Effective date: 20030625 Owner name: JP MORGAN CHASE BANK, TEXAS Free format text: SECURITY AGREEMENT;ASSIGNOR:XEROX CORPORATION;REEL/FRAME:016761/0158 Effective date: 20030625 |
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STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |
|
AS | Assignment |
Owner name: XEROX CORPORATION, CONNECTICUT Free format text: RELEASE BY SECURED PARTY;ASSIGNOR:JPMORGAN CHASE BANK, N.A. AS SUCCESSOR-IN-INTEREST ADMINISTRATIVE AGENT AND COLLATERAL AGENT TO BANK ONE, N.A.;REEL/FRAME:061360/0628 Effective date: 20220822 |