US20050056990A1 - Film centering device - Google Patents

Film centering device Download PDF

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Publication number
US20050056990A1
US20050056990A1 US10/664,559 US66455903A US2005056990A1 US 20050056990 A1 US20050056990 A1 US 20050056990A1 US 66455903 A US66455903 A US 66455903A US 2005056990 A1 US2005056990 A1 US 2005056990A1
Authority
US
United States
Prior art keywords
sheet
guide
transport path
film
base member
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
Application number
US10/664,559
Other languages
English (en)
Inventor
Scott Milton
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.)
Eastman Kodak Co
Original Assignee
Eastman Kodak Co
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 Eastman Kodak Co filed Critical Eastman Kodak Co
Priority to US10/664,559 priority Critical patent/US20050056990A1/en
Assigned to EASTMAN KODAK COMPANY reassignment EASTMAN KODAK COMPANY ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: MILTON, SCOTT C.
Priority to PCT/US2004/026585 priority patent/WO2005035408A1/fr
Publication of US20050056990A1 publication Critical patent/US20050056990A1/en
Abandoned legal-status Critical Current

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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
    • B65H9/00—Registering, e.g. orientating, articles; Devices therefor
    • B65H9/16—Inclined tape, roller, or like article-forwarding side registers
    • B65H9/166—Roller
    • 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
    • B65H2301/30—Orientation, displacement, position of the handled material
    • B65H2301/33—Modifying, selecting, changing orientation
    • B65H2301/331—Skewing, correcting skew, i.e. changing slightly orientation of material
    • 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
    • B65H2301/30—Orientation, displacement, position of the handled material
    • B65H2301/36—Positioning; Changing position
    • B65H2301/361—Positioning; Changing position during displacement
    • B65H2301/3611—Positioning; Changing position during displacement centering, positioning material symmetrically relatively to a given axis of displacement

Definitions

  • This invention relates in general to sheet handling systems and more particularly to the centering of sheets used in image reproduction apparatus.
  • Image reproduction apparatus such as electrographic, ink jet and laser printers, use media sheet such as paper or film to produce copies of images such as medical images.
  • the media sheet needs to be correctly positioned in the apparatus with respect to the printing system.
  • Methods for positioning the media sheet include positioning the media sheet so that one edge of the sheet is positioned against a reference surface located at one end of the printing system and positioning the sheet such that the center of the sheet comes in the center of the printing system.
  • One technique for carrying out the latter method is to provide members on both sides of the sheet transport path to center the sheet in the apparatus. This technique is relatively complex and inefficient.
  • a technique for carrying out the former method is disclosed in U.S. Pat. No. 4,982,946, issued Jan. 8, 1991, inventors Uchimura et al. As disclosed, a skew roller arranged at an angle to the transport direction of a paper sheet positions an edge of the paper sheet against a fixed reference guide running parallel to the transport direction.
  • a sheet centering device for centering at least first and second sized sheets comprising:
  • the invention has the following advantages.
  • FIG. 1 is a diagrammatic view, elevational view of a reproduction apparatus incorporating the present invention.
  • FIG. 2 is a top perspective view of an embodiment of the present invention, showing the small sheet guide in a down position.
  • FIG. 3 is a bottom perspective view of the embodiment shown in FIG. 2 .
  • FIG. 4 is a top perspective view of the embodiment of FIG. 2 showing the small sheet guide in the up position.
  • FIG. 5 is a bottom perspective view of the embodiment shown in FIG. 4 .
  • FIGS. 6A and 6B are respective side elevational views respectively showing the small sheet guide in the up and down positions.
  • FIGS. 7A, 7B and 7 C are top plan views illustrating how a sheet would be moved when the small sheet guide is in the up position. Similar action would occur for the large sheet but the sheet would move along the large sheet guide instead of the small sheet guide.
  • apparatus 100 includes a housing 102 , film supply and pick up module 104 , optics module 106 , film processor module 108 and output tray 110 .
  • Module 104 receives a cartridge of unexposed film.
  • the cartridge contains machine readable information including size of the film in the form of an optically readable bar code, or magnetic or radio frequency readable media. The read information is used to control the operation of apparatus 100 including the present invention.
  • a film pick-up device feeds a sheet of unexposed film from module 104 along a sheet transport path 112 .
  • the unexposed film is transported along path 112 from film pick up position 114 to transport rollers 116 at position 118 , where it enters the sheet centering device 120 of the present invention.
  • Device 120 includes skew roller 122 at position 124 at which the film is positioned by skew roller 122 against a film guide.
  • the centered film is transported to imaging position 126 including rollers 5 and 6 where the film is exposed to a medical image by optics module 106 .
  • the film is transported past positions 132 , 134 by transport rollers 136 , 138 respectively to image processor 108 , at position 139 .
  • Processor 108 heat processes the exposed film to produce a developed medical image on the film.
  • the film is transported along path 112 out of processor 108 to output tray 110 .
  • device 120 includes skew roller 122 mounted at an angle to film direction 32 on member 34 by brackets 36 , 38 .
  • Roller 122 is driven by skew roller drive motor assembly 3 .
  • Skew roller 122 could also be driven by a linkage between it and drive assembly 4 .
  • Device 120 includes large film guide 2 fixedly mounted on base plate 34 and small film guide 9 mounted on member 34 for movement into and out of the film path. Further shown are pinch rollers 5 forming an imaging nip with roller 6 and driven by drive motor assembly 4 .
  • Small film guide 9 is driven between up and down positions by small film guide lift drive motor assembly 7 , lift springs 8 , drive motor pulley 10 , cam 11 , and belt 12 .
  • the small film guide could also be driven up by a solenoid or other device.
  • the sheet is directed towards a fixed guide 2 and the skew roller 1 is rotated via means of a motor assembly 3 .
  • the film is pushed towards and into the edge guide 2 and then slides along the edge guide towards the imaging nip 5 , 6 .
  • the small film guide is in the down position out of the film path.
  • FIGS. 6A and 6B show the small film guide in the up position in the film path and FIGS. 7A-7C show film 200 as it moves through device 120 to imaging nip rollers 5 .
  • the device After imaging a small film sheet, the device can either be left in position or lowered back into it's home position to allow a large film sheet to be imaged.
  • the lift motor assembly 7 To lower the small film guide 9 back below the base plate, the lift motor assembly 7 is engaged which rotates a shaft/cam assembly 11 .
  • the cams on the shaft are located directly under the small film guide 9 and as they are rotated the small film guide 9 is pushed below the base plate by the springs 8 as the cam assembly 11 retreats. ( FIGS. 6A, 6B ).
  • the machine would know what size film sheet is loaded by reading the information on the film cartridge after it is inserted into the machine. It would then correctly position the small edge guide into the up or down position.
  • the offset can be measured during manufacturing and an offset can be added to the machine electronics to allow no border if desired.
  • this device would be to have the skew roller assembly 122 rotate. That is, the drive angle of the roller in regards to the sheet could also be varied as different width sheets are passed through the system. The angle setting would be dependent on what size cartridge is loaded in device 104 . Similarly it reads the information off of the cartridge. The advantage of this would be a smoother rotation of the sheet and push into the nip rollers.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Registering Or Overturning Sheets (AREA)
US10/664,559 2003-09-17 2003-09-17 Film centering device Abandoned US20050056990A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US10/664,559 US20050056990A1 (en) 2003-09-17 2003-09-17 Film centering device
PCT/US2004/026585 WO2005035408A1 (fr) 2003-09-17 2004-08-16 Dispositif de centrage de film

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/664,559 US20050056990A1 (en) 2003-09-17 2003-09-17 Film centering device

Publications (1)

Publication Number Publication Date
US20050056990A1 true US20050056990A1 (en) 2005-03-17

Family

ID=34274616

Family Applications (1)

Application Number Title Priority Date Filing Date
US10/664,559 Abandoned US20050056990A1 (en) 2003-09-17 2003-09-17 Film centering device

Country Status (2)

Country Link
US (1) US20050056990A1 (fr)
WO (1) WO2005035408A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070182089A1 (en) * 2006-02-09 2007-08-09 Canon Kabushiki Kaisha Sheet feeding apparatus and recording apparatus
US20090152806A1 (en) * 2007-12-17 2009-06-18 Xerox Corporation Sheet lateral positioning device

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3948509A (en) * 1972-04-29 1976-04-06 Heidelberger Druckmaschinen Aktiengesellschaft Control device for the lateral stop on the feed table of sheet feeds for feeding individual sheets
US4192495A (en) * 1977-02-23 1980-03-11 Siemens Aktiengesellschaft Film feeder
US4211399A (en) * 1978-06-09 1980-07-08 Eocom Corporation Multiple size plate registration apparatus and method
US4401302A (en) * 1981-05-04 1983-08-30 International Business Machines Corporation Sheet separation apparatus and method
US4836527A (en) * 1988-04-18 1989-06-06 Xerox Corporation Side edge registration system
US5080345A (en) * 1990-06-12 1992-01-14 Eastman Kodak Company Registration mechanism for sheets of different sizes
US5697609A (en) * 1996-06-26 1997-12-16 Xerox Corporation Lateral sheet pre-registration device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56122747A (en) * 1980-02-27 1981-09-26 Ricoh Co Ltd Corrector for skew and lateral position of paper
US5628504A (en) * 1994-12-15 1997-05-13 Pitney Bowes Inc. Side guide for a mail handling machine

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3948509A (en) * 1972-04-29 1976-04-06 Heidelberger Druckmaschinen Aktiengesellschaft Control device for the lateral stop on the feed table of sheet feeds for feeding individual sheets
US4192495A (en) * 1977-02-23 1980-03-11 Siemens Aktiengesellschaft Film feeder
US4211399A (en) * 1978-06-09 1980-07-08 Eocom Corporation Multiple size plate registration apparatus and method
US4401302A (en) * 1981-05-04 1983-08-30 International Business Machines Corporation Sheet separation apparatus and method
US4836527A (en) * 1988-04-18 1989-06-06 Xerox Corporation Side edge registration system
US5080345A (en) * 1990-06-12 1992-01-14 Eastman Kodak Company Registration mechanism for sheets of different sizes
US5697609A (en) * 1996-06-26 1997-12-16 Xerox Corporation Lateral sheet pre-registration device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070182089A1 (en) * 2006-02-09 2007-08-09 Canon Kabushiki Kaisha Sheet feeding apparatus and recording apparatus
US7637499B2 (en) * 2006-02-09 2009-12-29 Canon Kabushiki Kaisha Sheet feeding apparatus and recording apparatus
US20090152806A1 (en) * 2007-12-17 2009-06-18 Xerox Corporation Sheet lateral positioning device

Also Published As

Publication number Publication date
WO2005035408A1 (fr) 2005-04-21

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Legal Events

Date Code Title Description
AS Assignment

Owner name: EASTMAN KODAK COMPANY, NEW YORK

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:MILTON, SCOTT C.;REEL/FRAME:014517/0774

Effective date: 20030915

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION