Search Images Maps Play YouTube News Gmail Drive More »
Sign in
Screen reader users: click this link for accessible mode. Accessible mode has the same essential features but works better with your reader.

Patents

  1. Advanced Patent Search
Publication numberUS3661452 A
Publication typeGrant
Publication dateMay 9, 1972
Filing dateMay 24, 1968
Priority dateMay 24, 1968
Also published asDE1925398A1
Publication numberUS 3661452 A, US 3661452A, US-A-3661452, US3661452 A, US3661452A
InventorsHewes Ellsworth D, Kaupp Norbett H
Original AssigneeXerox Corp
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Xerographic reproduction machine
US 3661452 A
Abstract
A reproduction machine having a photoreceptor imaging medium in belt configuration which is exposed by a flash illumination system in timed relation to the feeding of sheets of copy paper prior to image transfer. The belt is arranged to be maintained flat during exposure and development with image transfer being effected along a curved presentation of the belt between the two flat sections of the belt.
Images(43)
Previous page
Next page
Description  (OCR text may contain errors)

United States Patent Hewes et al.

1541 XEROGRAPHIC REPRODUCTION MACHINE [72] Inventors: Ellsworth D. Hewes, Rochester; Norbett H.

Kaupp, Newark, both of NY.

[73] As'signee: Xerox Corporation, Rochester, N.Y. 22 Filed: M'ay 24, 1968 [2i] Appl.No.: 731,934

52 us. c1 51 Int. Cl.

[58] Field olSearch..- ..355/3, 5, ll, 16,67

[56] References Cited UNITED STATES PATENTS 2,551,582 5/1951 Carlson ..355/10- 1151 3,661,452 1 51 May 9,1972

3,146,688 9/1964 Clark ..355/16 3,168,857 2/1965 Hutto 3,339,469 9/l967 McFarlane.

3,427,658 2/1969 Roberts ..355/l6 Primary Examiner-John M. Horan Attorney-Norman E. Schrader, James J. Ralabate and Bernard A. Chioma 1 1 ABSTltACT A reproduction machine having a photoreceptor imaging medium in belt configurationiwhich is exposed by a flash illumination system in timed relation to the feeding of sheets of copy paper prior to image transfer. The belt is arranged to be maintained flat during exposure and development with image transfer being effected along a curved presentation of the belt between the two flat sections of the belt.

5 Claims, 70 Drawing Figures PATENTEDMAY 9 I972 3,661,452

sum 01 OF 43 INVENTORS ELLSWORTH D. HEWES NORBETT H. KAUPP PATENTEDMAY 9:912 3,661,452

sum 02 [1F 43 LMP-5" INVENTORS ELLSWORTH Dl HEWES NORBETT H. KAUPP A TTORNEYS PATENTEDMAY 9:922 3,661,452

sum 030F113 INVENTORS ELLSWORTH o. HEWES BY NORBETT H. KAUPP IMIIIIII m M A rromvs rs PATENTEDMAY 9 I972 3,661,452

sum us of 43 lNVL'NTORS ELLSWORTH D. HEWES NORBETT H. KAUPP BY y... .A/M

ATTORNEYS PATENTEDHAY 94572 3,661,452

SHEET 05 0F 43 INVENTORS ELLSWORTH D. HEWES NORBETT H. KAUPP PATENTED AY 91912 I 3,661,452

3pm IU8UF 43 FIG. I I

' INVENTORS ELLSWORTH D. HEWES NORBETT H. KAUPP ATTORNEYS Pmmmm 91912 3.661.452

SHEET [19 [IF 43 IN VENTORS ELLSWORTH D. HEWES FIG. 13 B NORBETT H. KAUPP PATENTEDMAY 91972 3,661,452

sum 11 [1F 43 NORBETT H. KAUPP FIG. 15 BY 44 :5

yw w

ATTOR/VEKS PATENTEDMAY 9l972 3.561.452

' sum 12 0F 43 MM ,,.|HIIHIHIIHHIIH'I w INVENTORS ELLSWORTH D. HEWES NORBETT H. KAUPP F1616 BY 56mg ATTORNEYS PATENTEDMAY 9 I972 SHEET 13 [1F 43 INVENTORS ELLSWORTH D. HEWES B NORBETT H. KAUPP ynqq ATTORNEYS PATENTEDMAY 9:912 3.661.452

sum 18 or 43 FIG. 30

- INVENTORS EL LSWORTH D. HEWES NORBETT H. KAUPP FIG. 29 I BY 54 444W ATTORNEYS PATENTEDMAY 91912 3,561,452

sum 19 0F 43 TIMER M NESA POWER SUPPLY L agp AND F979 ECTOR POWER SUPPLY Q L L l g r L gusv eoy 307 QD Ea e A Hm \1 FIG. 31

DEGEES o- A 90 I80 270 ,0 SHUTDOWN 5+ SAMPLE} c- CLEAN secouos 0 L5 3.0 4.5

- INVENTORS' FIG. 3 4 ELLSWORTH D.HEWES NORBETT H. KAUPP ATTORNEYS

Patent Citations
Cited PatentFiling datePublication dateApplicantTitle
US2551582 *Aug 27, 1943May 8, 1951Chester F CarlsonMethod of printing and developing solvent images
US3146688 *May 1, 1961Sep 1, 1964Xerox CorpXerographic machine
US3168857 *May 1, 1961Feb 9, 1965Rca CorpElectrostatic printing
US3339469 *Aug 23, 1965Sep 5, 1967Sun Chemical CorpElectrostatic printing apparatus
US3427658 *May 6, 1966Feb 11, 1969Harris Intertype CorpElectrophotographic apparatus and method
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US3791732 *Nov 15, 1972Feb 12, 1974Gestetner Copiers LtdElectrostatic copier
US3851966 *Dec 11, 1972Dec 3, 1974Xerox CorpReproduction apparatus
US3860338 *Jan 15, 1973Jan 14, 1975Xerox CorpAdjustable fadeout control
US3869203 *Sep 18, 1973Mar 4, 1975Xerox CorpColor electrophotographic printing machine
US3961849 *Apr 12, 1974Jun 8, 1976Xerox CorporationElectrostatic printing machine
US3967893 *Apr 29, 1974Jul 6, 1976Xerox CorporationIlluminating apparatus
US3976375 *Dec 26, 1973Aug 24, 1976Minolta Camera Kabushiki KaishaElectrostatic copying machine
US3981576 *Apr 22, 1974Sep 21, 1976Canon Kabushiki KaishaMulticolor electrophotographic copier with liquid developing
US3982832 *Nov 7, 1974Sep 28, 1976Rank Xerox Ltd.Electrostatographic copying machines
US4017170 *Jul 31, 1975Apr 12, 1977Canon Kabushiki KaishaElectrophotographic device
US4025180 *Sep 18, 1975May 24, 1977Minolta Camera Kabushiki KaishaTransfer type electrophotographic copying apparatus
US4084901 *Mar 25, 1976Apr 18, 1978Pitney-Bowes, Inc.Copying machine
US4095890 *Jun 24, 1976Jun 20, 1978Oce-Van Der Grinten N.V.Xerographic copying apparatus
US4346985 *Jun 25, 1979Aug 31, 1982Xerox CorporationAutomatic development control
US4396274 *Jan 29, 1982Aug 2, 1983International Business Machines CorporationElectrophotographic copier configuration
US4470693 *Jan 11, 1982Sep 11, 1984Pitney Bowes Inc.Self-cleaning xerographic apparatus
US4761671 *Feb 2, 1987Aug 2, 1988Eastman Kodak CompanyElectrophotographic subprocess for apparatus using discharged area toning
US4809032 *Dec 2, 1987Feb 28, 1989Kabushiki Kaisha ToshibaPrinting apparatus
US4956676 *May 12, 1987Sep 11, 1990Kentek Information Systems, Inc.Electrographic color printer/copier
US5237340 *Jun 14, 1991Aug 17, 1993Texas Instruments IncorporatedReplaceable elements for xerographic printing process and method of operation
US6798899 *Jan 4, 2001Sep 28, 2004Cummins-Allison Corp.Document feeding method and apparatus
US8493630 *May 9, 2008Jul 23, 2013L-I Indentity Solutions, Inc.Identification reader
EP0029953A1 *Nov 18, 1980Jun 10, 1981International Business Machines CorporationElectrophotographic copier including a belt photoconductor
Classifications
U.S. Classification399/195, 355/67, 399/217
International ClassificationG03G15/00, G03G15/26
Cooperative ClassificationG03G15/263
European ClassificationG03G15/26B