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Publication numberUS3865482 A
Publication typeGrant
Publication dateFeb 11, 1975
Filing dateJun 19, 1973
Priority dateJun 23, 1972
Publication numberUS 3865482 A, US 3865482A, US-A-3865482, US3865482 A, US3865482A
InventorsDennis M Bendall, Alistair J Caldwell, William R Harris, John A Jones, Jeffrey Kew, Raymond S Pyart, Michael C D Sherborne, Peter Summers, Peter M Thorp
Original AssigneeRank Xerox Ltd
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Electrostatographic copying machine
US 3865482 A
Abstract
An electrostatographic reproduction machine for producing permanent copies of engineering drawings or the like. A photoconductive drum is rotated past various processing stations including a charging station, an exposure station for exposing documents to be reproduced, a transfer station at which electrostatic images are transferred from the drum member onto sheets of paper. The drum is cleaned and recycled for producing multiple prints of the same document or different prints of different documents. The copies are delivered to the front or rear of the machine after being permanently fixed by a fusing apparatus. The documents are directed to the front or rear of the machine at the option of the machine operator. One of the document paths intersects with one of the copy paths and an electrical control circuit is provided to prevent documents being delivered to the rear when copies should be delivered to the front.
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Description  (OCR text may contain errors)

United States Patent Bendall et al.

[ 1 Feb. 11, 1975 ELECTROSTATOGRAPl-IIC COPYING MACHINE [75] Inventors: Dennis M. Bendall, Coleford;

William R. Harris, Tutshill, near Chepstow; Peter Summers, Coleford; Raymond S. Pyart, Churchdown; Jeffrey Kew, Upton Saint Leonards; Michael C. D. Sherborne, Marlborough; Alistair J. Caldwell, Drybrook; Peter M. Thorp, Lydbrook; John A. Jones, Coleford, all of England [73] Assignee: Rank Xerox Ltd., London, England [22] Filed: June 19, 1973 [2]] Appl. No.: 371,654

[30] Foreign Application Priority Data June 23, 1972 Great Britain 29653 [52] US. Cl. 355/14, 355/3 R, 355/3 DD, 355/11, 355/13, 355/15, 355/57 [51] Int. Cl G03g 15/00 [58] Field of Search 355/3, 8, 14, 56, 57, 11, 355/13, 15

[56] References Cited UNITED STATES PATENTS 3,597,074 8/1971 Murgas 355/8 X Primary Examiner-Richard M. Sheer [57] ABSTRACT An electrostatographic reproduction machine for producing permanent copies of engineering drawings or the like. A photoconductive drum is rotated past various processing stations including a charging station, an exposure station for exposing documents to be reproduced, a transfer station at which electrostatic images are transferred from the drum member onto sheets of paper. The drum is cleaned and recycled for producing multiple prints of the same document or different prints of different documents. The copies are delivered to the front or rear of the machine after being permanently fixed by a fusing apparatus. The documents are directed to the front or rear of the machine at the option of the machine operator. One of the document paths intersects with one of the copy paths and an electrical control circuit is provided to prevent documents being delivered to the rear when copies should be delivered to the front.

3 Claims, 40 Drawing Figures PATENTEU FEB] 1 I975 SHEEI OlUF 33 PATENTED FEB] 1 I975 sum 13 0F 33 PATENTEU FEB] 1 m5 SHEEI 050F133 PM EHTEU FEB 1 1 I975 SHEET O8UF 33 PATENTED FEB] 1 I975 sum 100F 33 PATENTEUFEBI 1 I975 I saw 1 33 PATENTED FEB] U SHEET 12UF 33 llllllllilllull PATENTEUFEBI 1 I975 SHEET 13UF 33 PMENTEU FEB] I I975 SHEET 1M]? 33 Q wt PATENTED FEB? 1 F975 SHEU lSUF 33 PATENTED FEB] 1 I975 sum 18UF 33 mw wt MN wt

Patent Citations
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US3597074 *Jul 18, 1968Aug 3, 1971Icp IncCombination sheet and book copy machine
US3689133 *May 18, 1970Sep 5, 1972Addressograph MultigraphOptical system having lens and two movable mirrors
US3734604 *Sep 17, 1971May 22, 1973Agfa Gevaert AgFailsafe system for electrostatic copying apparatus
US3748039 *Apr 16, 1971Jul 24, 1973Kuhn UContact copying apparatus
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US3967895 *Sep 18, 1974Jul 6, 1976Xerox CorporationIllumination control system
US4007986 *Dec 19, 1974Feb 15, 1977Canon Kabushiki KaishaCopying apparatus
US4012139 *Apr 22, 1975Mar 15, 1977Mita Industrial Company, Ltd.Electrostatic copying apparatus having copy paper cut length control
US4029411 *Oct 30, 1975Jun 14, 1977Xerox CorporationVariable magnification copier
US4033692 *Oct 30, 1975Jul 5, 1977Xerox CorporationMulti-mode reproducing machine
US4053221 *Oct 14, 1975Oct 11, 1977Xerox CorporationMulti-mode reproducing apparatus
US4139300 *Oct 20, 1975Feb 13, 1979Canon Kabushiki KaishaCopying apparatus with variable stop position
US4264187 *May 14, 1979Apr 28, 1981International Business Machines CorporationDocument handler
US4350434 *Oct 4, 1978Sep 21, 1982Agfa-Gevaert AktiengesellschaftElectrophotographic copying machine
US4392740 *Apr 15, 1981Jul 12, 1983Minolta Camera Kabushiki KaishaPaper transport control device for use in mechanical arrangement including manual paper feeding mechanism
US4521099 *Sep 22, 1981Jun 4, 1985Canon Kabushiki KaishaCopying apparatus
US4563079 *Apr 12, 1984Jan 7, 1986Canon Kabushiki KaishaImage formation apparatus with variable scanning stroke
US4568170 *May 9, 1985Feb 4, 1986Mita Industrial Co., Ltd.Supporting frame for a variable ratio electrostatic copying apparatus
US4571062 *May 9, 1985Feb 18, 1986Mita Industrial Co., Ltd.Electrostatic copying process and apparatus
US4607943 *May 9, 1985Aug 26, 1986Mita Industrial Co., Ltd.Control circuit for an electrostatic copying apparatus
US4618253 *Mar 27, 1985Oct 21, 1986Asahi Kogaku Kogyo K.K.Focal position adjusting device for small variable-magnification type copying machine with zoom lens
US4707111 *Jan 16, 1987Nov 17, 1987Canon Kabushiki KaishaImage formation apparatus including means for manually and automatically feeding copy therethrough
US4891662 *Apr 5, 1988Jan 2, 1990Minolta Camera Kabushiki KaishaImage forming apparatus
US4893322 *Nov 15, 1985Jan 9, 1990Medrad, Inc.Medical film exposure device for an X-ray apparatus
US4953230 *Aug 21, 1989Aug 28, 1990Ricoh Company, Ltd.Document image processing system
US5018182 *Nov 15, 1988May 21, 1991Medrad, Inc.Film changer having film-receiving, nondriven cassette with spiral-shaped guide plate
US5095370 *May 16, 1990Mar 10, 1992Ricoh Company, Ltd.Sheet transport apparatus of printer having scanner unit and using manual and automatic sheet feeding modes
US5145163 *Nov 24, 1989Sep 8, 1992Medrad, Inc.Film sheet load magazine
US5158221 *Aug 31, 1990Oct 27, 1992Ricoh Company, Ltd.Automatic document feeder capable of feeding a document in the form of a computer form
US5232210 *Jul 14, 1992Aug 3, 1993Ricoh Company, Ltd.Document feeding method for a recycling automatic document feeder
US5263077 *Apr 26, 1991Nov 16, 1993Medrad, Inc.Film changer having film-receiving, nondriven cassette with spiral-shaped guide plate
US5295616 *May 21, 1991Mar 22, 1994Ricoh Company, Ltd.Switchable automatic document feeder capable of feeding continuous form documents or single sheet documents
US5881351 *May 6, 1997Mar 9, 1999Matsushita Electric Industrial Co., Ltd.Printing apparatus having reader, printer, cover, and transfer path from printer to cover
US5915157 *Jan 29, 1998Jun 22, 1999Ricoh Company, Ltd.Sheet transport system and apparatus for an image-forming apparatus with crossing sheet transport paths
US6131902 *Nov 20, 1998Oct 17, 2000Ricoh Company, Ltd.Sheet feeding paths for apparatus with feed paths selectable to correspond to desired function of apparatus
US8695976 *Sep 12, 2012Apr 15, 2014Brother Kogyo Kabushiki KaishaSheet conveyor device
DE2806397A1 *Feb 15, 1978Aug 17, 1978Ricoh KkVerfahren fuer eine lagerichtige uebertragung in einem kopiergeraet mit einer einrichtung zum aendern des vergroesserungsverhaeltnisses
DE2900766A1 *Jan 10, 1979Jul 19, 1979Konishiroku Photo IndSchaltung zur festlegung des oeffnungs- und schliesszustands einer tuer bei einem kopiergeraet
DE3051244C2 *May 16, 1980May 26, 1994Canon KkMulti-format feed for photocopiers
DE10228777B4 *Jun 27, 2002Jun 6, 2007Hewlett-Packard Development Co., L.P., HoustonDrucker/Scanner
WO1987003107A1 *Nov 14, 1986May 21, 1987Medrad IncFilm changer
Classifications
U.S. Classification399/364, 399/367, 355/57
International ClassificationG03G15/00, G03G15/30
Cooperative ClassificationG03G15/70, G03G15/30
European ClassificationG03G15/70, G03G15/30