US3733947A - Book trimming machine - Google Patents

Book trimming machine Download PDF

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Publication number
US3733947A
US3733947A US3733947DA US3733947A US 3733947 A US3733947 A US 3733947A US 3733947D A US3733947D A US 3733947DA US 3733947 A US3733947 A US 3733947A
Authority
US
United States
Prior art keywords
book
machine
conveying
trimming
pushing
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.)
Expired - Lifetime
Application number
Inventor
R Bryson
T Kennicott
E Sarring
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AB Dick Co
Original Assignee
Harris Intertype Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Harris Intertype Corp filed Critical Harris Intertype Corp
Application granted granted Critical
Publication of US3733947A publication Critical patent/US3733947A/en
Assigned to HARRIS GRAPHICS CORPORATION reassignment HARRIS GRAPHICS CORPORATION ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: HARRIS CORPORATION
Assigned to AM INTERNATIONAL INCORPORATED, A DE. CORP. reassignment AM INTERNATIONAL INCORPORATED, A DE. CORP. ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: HARRIS GRAPHICS CORPORATION
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/04—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member
    • B26D1/06—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates
    • B26D1/10—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates in, or substantially in, a direction parallel to the cutting edge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/56—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which travels with the work otherwise than in the direction of the cut, i.e. flying cutter
    • B26D1/58—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which travels with the work otherwise than in the direction of the cut, i.e. flying cutter and is mounted on a movable arm or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D11/00—Combinations of several similar cutting apparatus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D5/08—Means for actuating the cutting member to effect the cut
    • B26D5/14—Crank and pin means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/06—Arrangements for feeding or delivering work of other than sheet, web, or filamentary form
    • B26D7/0675—Arrangements for feeding or delivering work of other than sheet, web, or filamentary form specially adapted for piles of sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D2007/0012—Details, accessories or auxiliary or special operations not otherwise provided for
    • B26D2007/0081—Cutting on three sides, e.g. trilateral trimming
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S83/00—Cutting
    • Y10S83/929—Particular nature of work or product
    • Y10S83/934—Book, being made, e.g. trimming a signature
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/444—Tool engages work during dwell of intermittent workfeed
    • Y10T83/4637—With means to guide, position, or present work to work-feed means
    • Y10T83/464—Means to transport work to work-feed means

Definitions

  • the disclosure relates to a machine for performing trimming operations upon the front and side edges of a book as the book continues to advance through the machine.
  • the machine includes a front edge trimming table which is reciprocated in a horizontal direction and receives a book from an infeed conveyor as the table moves in the direction of the conveyor. As the table continues to move in the direction of the infeed conveyor, the book is clamped to the table and the front edge of the book is trimmed.
  • the machine further includes a side edge trimming table which is reciprocated in synchronism but substantially out of phase with the front edge trimming table.
  • the book having its front edge trimmed is advanced onto the side edge table.
  • the book is clamped to the side edge table and the side edges of the book are trimmed.
  • the book is released to a conveyor which advances it from the machine.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)

Abstract

The disclosure relates to a machine for performing trimming operations upon the front and side edges of a book as the book continues to advance through the machine. The machine includes a front edge trimming table which is reciprocated in a horizontal direction and receives a book from an infeed conveyor as the table moves in the direction of the conveyor. As the table continues to move in the direction of the infeed conveyor, the book is clamped to the table and the front edge of the book is trimmed. The machine further includes a side edge trimming table which is reciprocated in synchronism but substantially out of phase with the front edge trimming table. As the front edge table completes its motion in the direction of the infeed conveyor and as the side edge table is about to move in the same direction, the book having its front edge trimmed is advanced onto the side edge table. As the side edge table continues to move in the direction of the infeed conveyor, the book is clamped to the side edge table and the side edges of the book are trimmed. Toward the end of the forward motion of the side edge table, the book is released to a conveyor which advances it from the machine.

Description

United States Patent [191 Bryson et al.
.1. 3,733,947 [4 1 May 22,1973
[54] BOOK TRIMMING MACHINE [73] Assignee: Harris-lntertype Cleveland, Ohio [22] Filed: Aug. 25, 1970 [21] Appl. No.: 66,848
Related US. Application Data [62] Division of Ser. No. 737,969, June 18, 1968, Pat. No.
Corporation,
[52] US. Cl ..83/280, 83/925 A, 214/1.6
[51] 'Int.'C1...-. ..B65h 5/00 [58] Field of Search ..214/1.5-l.7; 198/76, 106; 83/280 [56] References Cited UNITED STATES PATENTS 2,645,327 7/1953 l'lildmann ..198/106 X 3,122,041 2/1964 Kile et al.
Primary ExaminerGerald M. Forlenza Assistant Examiner--Frank E. Werner Attorney-Yount & Tarolli [57] ABSTRACT The disclosure relates to a machine for performing trimming operations upon the front and side edges of a book as the book continues to advance through the machine. The machine includes a front edge trimming table which is reciprocated in a horizontal direction and receives a book from an infeed conveyor as the table moves in the direction of the conveyor. As the table continues to move in the direction of the infeed conveyor, the book is clamped to the table and the front edge of the book is trimmed. The machine further includes a side edge trimming table which is reciprocated in synchronism but substantially out of phase with the front edge trimming table. As the front edge table completes its motion in the direction of the infeed conveyor and as the side edge table is about to move in the same direction, the book having its front edge trimmed is advanced onto the side edge table. As the side edge table continues to move in the direction of the infeed conveyor, the book is clamped to the side edge table and the side edges of the book are trimmed. Toward the end of the forward motion of the side edge table, the book is released to a conveyor which advances it from the machine.
7 Claims, 32 Drawing Figures PATENIEDHAYZZIHYS 3,733,947
SHEET 01 0F 21 m? zzwa m PATENTEBMYZZIHYS 3 733 ,947
INVENTORS Kasaw A 596w 720x45 C flaw/0077- PATENTEB HAY 2 2 i975 SHEET 15 1 21 PATENTED H22 1973 SHLET 08 @f' 2.1
PATENTEB W2 2 5 sum 09 OF 21 s M T; g
PATENIE mmm 3,733,947
sum 15 HF 21 I I '97. I85 I84 PATENTEDMAYZZISYS 3,733,947
sum 17 [1F 21 INVENTORS BY EPA 5S2" d Snap/ya PATENTEB W 2 21973 3, 7 3 3 947 SHEU 1.9 @r 21 O INVENTORS Reefer/4 0 00 77/01 96 0 Kay/c077

Claims (7)

1. An infeed mechanism for a machine having knife means movable through a trimming cycle for performing trimming operations upon a book comprising: a. a surface extending adjacent to the entrance to the machine; b. means having a repetitive cycle of operation for conveying a book along said surface toward the entrance to the machine; c. means having a repetitive cycle of operation for pushing a book from engagement with said conveying means and into the entrance of the machine for trimming by said knife means; d. drive means for driving said means for conveying and said means for pushing at a selected speed; and e. means for adjusting the phase relationship of said means for conveying and said means for pushing the book relative to the trimming cycle of the knife means while maintaining the selected speed, whereby the optimum timing of the movement of a book from said conveying means into the machine for trimming can be obtained.
2. A machine for performing trimming operations in accordance with claim 1 in which said means for conveying a book along said surface toward said machine comprises: a. an elongated drivinG member extending adjacent said surface and moving substantially towards said machine; and b. a plurality of lugs pivotally attached to said driving member, each of said lugs having an operative position in which the upper portion of each of said lugs extends above said surface for engaging a book adjacent thereto and a withdrawn position in which the upper portion of each of said lugs is pivoted beneath said surface for and disengaging from a book adjacent thereto.
3. A machine for performing trimming operations in accordance with claim 2 in which said means for pushing a book from engagement with said conveying means and onto said machine comprises: a. at least one pusher member adapted to engage a book being conveyed along said surface in response to said conveying means; and b. means for cyclically moving said pusher member above said surface and toward said first trimming table to advance a book thereon and for cyclically moving said pusher member beneath said surface and away from said machine to return said pusher member to a position to engage and push the next successive book being conveyed along said surface by said conveying means.
4. A machine for performing trimming operations in accordance with claim 1 in which: a. said means for conveying a book along said surface toward said machine includes a drive shaft; b. said means for pushing a book from engagement with said conveying means includes a drive cam coupled to said drive shaft and a cam follower engaging said drive cam for actuating said pushing means; and c. in which said means for adjusting the phase relationship of said conveying means and said pushing means includes gear train means connected between said drive shaft and said conveying means for adjustably selecting the phase relationship therebetween and means for positioning said cam follower relative to said drive cam for adjustably selecting the phase relationship therebetween.
5. A machine for performing trimming operations in accordance with claim 4 in which a common linkage is connected to said gear train means for adjustably selecting the phase relationship with said drive shaft and is connected to said cam follower for adjustably selecting the phase relationship with said cam, whereby said common linkage enables the phase relationship of said conveying means and said pushing means to be adjusted simultaneously.
6. A machine for performing a trimming operation in accordance with claim 1 and further comprising: a. a guide member extending along said surface toward the entrance of the machine, said guide member being adapted to engage one of the side edge portions of a book being conveyed along said surface by said conveying means; and b. means for urging the book toward said guide member as the book is being conveyed along said surface, whereby said guide member enables the book to be aligned with respect to the entrance of the machine.
7. A machine for performing trimming operations in accordance with claim 6 in which said means for urging the book comprises: a. at least one flexible endless member having a lower reach extending substantially parallel to and spaced from said surface at a distance enabling said flexible endless member to engage the face of the book disposed opposite said surface, said flexible endless member extending at an angle toward said guide member in the direction of the conveying of a book by said conveying means; and b. means for driving the lower reach of said flexible endless member toward the entrance of the machine.
US3733947D 1968-06-18 1970-08-25 Book trimming machine Expired - Lifetime US3733947A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US73796968A 1968-06-18 1968-06-18
US6684870A 1970-08-25 1970-08-25

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US3733947A true US3733947A (en) 1973-05-22

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US3733947D Expired - Lifetime US3733947A (en) 1968-06-18 1970-08-25 Book trimming machine

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Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4445407A (en) * 1982-08-09 1984-05-01 Koenig & Bauer/Egenolf Machine, Inc. Method and apparatus for handling book trimmings
US4506571A (en) * 1982-02-18 1985-03-26 Robert Jensen Machine for removing book bindings
US4518157A (en) * 1983-09-19 1985-05-21 Stobb, Inc. Method for trimming a signature held in a rotary clamp
US5100118A (en) * 1990-10-29 1992-03-31 Am International Incorporated Sheet material handling apparatus
US5125304A (en) * 1989-09-19 1992-06-30 Man Roland Druckmaschinen Ag Cutting system for cutting three sides of printed products, particularly folded printed products
US5211090A (en) * 1990-04-21 1993-05-18 Kolbus Gmbh & Co. Kg Method of and apparatus for shaping the corners of stacked sheet material
US5694823A (en) * 1994-10-18 1997-12-09 The Challenge Machinery Company Document trimming apparatus
US6134999A (en) * 1997-08-15 2000-10-24 Heidelberg Druckmaschinen Ag Trimming device for flat articles
EP1103357A2 (en) * 1999-11-24 2001-05-30 Heidelberger Druckmaschinen Aktiengesellschaft Apparatus and method for cutting printed material
US20010023630A1 (en) * 2000-03-08 2001-09-27 Akira Nakajima Three-side trimmer
US20020092394A1 (en) * 2001-01-17 2002-07-18 Horst Rathert Three-side trimmer, especially for short runs
US6532856B2 (en) * 2000-06-26 2003-03-18 Konica Corporation Paper cutting apparatus and image forming apparatus
US6591722B1 (en) * 2000-10-25 2003-07-15 Donald Sauer Book recycling apparatus
US20030145703A1 (en) * 2002-02-02 2003-08-07 Ansgar Rohe-Krebeck Device for the three-sided trimming of printed products
US20040134893A1 (en) * 2003-01-15 2004-07-15 Heidelberger Druckmaschinen Ag Book trimmer with laser scorer
US20040179921A1 (en) * 2003-03-11 2004-09-16 Heidelberger Druckmaschinen Ag Method and device for trimming a book
US20060032350A1 (en) * 2001-10-26 2006-02-16 Goss International Americas, Inc. Registration apparatus for a sheet material article handler
US7213493B2 (en) 2001-10-26 2007-05-08 Goss International Americas, Inc. Infeed apparatus for a sheet material article trimmer
US20080105098A1 (en) * 2006-11-08 2008-05-08 Formtek Metal Forming, Inc. Rotary punch
US20090238662A1 (en) * 2008-03-18 2009-09-24 Goss International Americas, Inc. Servo driven apparatus for trimming and transporting printed products in a trimmer
US20090238661A1 (en) * 2008-03-18 2009-09-24 Goss International Americas, Inc. Method and apparatus for trimming and transporting printed products in a trimmer
US7926396B2 (en) 2001-10-26 2011-04-19 Goss International Americas, Inc. Matched velocity transfer apparatus for a sheet material article trimmer

Cited By (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4506571A (en) * 1982-02-18 1985-03-26 Robert Jensen Machine for removing book bindings
US4445407A (en) * 1982-08-09 1984-05-01 Koenig & Bauer/Egenolf Machine, Inc. Method and apparatus for handling book trimmings
US4518157A (en) * 1983-09-19 1985-05-21 Stobb, Inc. Method for trimming a signature held in a rotary clamp
US5125304A (en) * 1989-09-19 1992-06-30 Man Roland Druckmaschinen Ag Cutting system for cutting three sides of printed products, particularly folded printed products
US5211090A (en) * 1990-04-21 1993-05-18 Kolbus Gmbh & Co. Kg Method of and apparatus for shaping the corners of stacked sheet material
US5100118A (en) * 1990-10-29 1992-03-31 Am International Incorporated Sheet material handling apparatus
US5694823A (en) * 1994-10-18 1997-12-09 The Challenge Machinery Company Document trimming apparatus
US6012367A (en) * 1994-10-18 2000-01-11 The Challenge Machinery Company Document trimming apparatus
US6134999A (en) * 1997-08-15 2000-10-24 Heidelberg Druckmaschinen Ag Trimming device for flat articles
EP1103357A2 (en) * 1999-11-24 2001-05-30 Heidelberger Druckmaschinen Aktiengesellschaft Apparatus and method for cutting printed material
EP1103357A3 (en) * 1999-11-24 2003-11-19 Heidelberger Druckmaschinen Aktiengesellschaft Apparatus and method for cutting printed material
US6516695B2 (en) * 1999-11-24 2003-02-11 Heidelberger Druckmashcinen Ag Device and method for trimming printed products
US20010023630A1 (en) * 2000-03-08 2001-09-27 Akira Nakajima Three-side trimmer
US6520058B2 (en) * 2000-03-08 2003-02-18 Horizon International Inc. Three-side trimmer
US6532856B2 (en) * 2000-06-26 2003-03-18 Konica Corporation Paper cutting apparatus and image forming apparatus
US6591722B1 (en) * 2000-10-25 2003-07-15 Donald Sauer Book recycling apparatus
US7533596B2 (en) * 2001-01-17 2009-05-19 Mueller Martini Holdings Ag Three-side trimmer, especially for short runs
US20020092394A1 (en) * 2001-01-17 2002-07-18 Horst Rathert Three-side trimmer, especially for short runs
US8171834B2 (en) 2001-01-17 2012-05-08 Mueller Martini Holding Ag Three-side trimmer, especially for short runs
US20090165616A1 (en) * 2001-01-17 2009-07-02 Muller Martini Holding Ag Three-side trimmer, especially for short runs
US7021185B2 (en) 2001-10-26 2006-04-04 Goss International Americas, Inc. Registration apparatus for a sheet material article handler
US20110167971A1 (en) * 2001-10-26 2011-07-14 Goss International Americas, Inc. Matched velocity transfer apparatus for a sheet material article trimmer
US20060032350A1 (en) * 2001-10-26 2006-02-16 Goss International Americas, Inc. Registration apparatus for a sheet material article handler
US7213493B2 (en) 2001-10-26 2007-05-08 Goss International Americas, Inc. Infeed apparatus for a sheet material article trimmer
US20070144321A1 (en) * 2001-10-26 2007-06-28 Gross International Americas, Inc. Infeed apparatus for a sheet material article trimmer
US7926396B2 (en) 2001-10-26 2011-04-19 Goss International Americas, Inc. Matched velocity transfer apparatus for a sheet material article trimmer
US7384039B2 (en) 2001-10-26 2008-06-10 Goss International Americas, Inc. Registration apparatus for a sheet material article handler
US7555975B2 (en) 2001-10-26 2009-07-07 Goss International Americas, Inc. Infeed apparatus for a sheet material article trimmer
US20030145703A1 (en) * 2002-02-02 2003-08-07 Ansgar Rohe-Krebeck Device for the three-sided trimming of printed products
US20040134893A1 (en) * 2003-01-15 2004-07-15 Heidelberger Druckmaschinen Ag Book trimmer with laser scorer
US8519301B2 (en) * 2003-01-15 2013-08-27 Goss International Americas, Inc. Book trimmer with laser scorer
US20040179921A1 (en) * 2003-03-11 2004-09-16 Heidelberger Druckmaschinen Ag Method and device for trimming a book
US6918729B2 (en) * 2003-03-11 2005-07-19 Goss International Americas, Inc. Method and device for trimming a book
US20080105098A1 (en) * 2006-11-08 2008-05-08 Formtek Metal Forming, Inc. Rotary punch
US7980162B2 (en) * 2006-11-08 2011-07-19 Formtek Metal Forming, Inc. Rotary punch
US20090238662A1 (en) * 2008-03-18 2009-09-24 Goss International Americas, Inc. Servo driven apparatus for trimming and transporting printed products in a trimmer
US20090238661A1 (en) * 2008-03-18 2009-09-24 Goss International Americas, Inc. Method and apparatus for trimming and transporting printed products in a trimmer
US8186252B2 (en) 2008-03-18 2012-05-29 Goss International Americas, Inc. Method and apparatus for trimming and transporting printed products in a trimmer

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AS Assignment

Owner name: HARRIS GRAPHICS CORPORATION MELBOURNE, FL A DE CO

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:HARRIS CORPORATION;REEL/FRAME:004227/0467

Effective date: 19830429

AS Assignment

Owner name: AM INTERNATIONAL INCORPORATED, A DE. CORP., ILLINO

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:HARRIS GRAPHICS CORPORATION;REEL/FRAME:005018/0144

Effective date: 19881006