JPS5724956A - Correcting device for zigzag movement - Google Patents

Correcting device for zigzag movement

Info

Publication number
JPS5724956A
JPS5724956A JP9977680A JP9977680A JPS5724956A JP S5724956 A JPS5724956 A JP S5724956A JP 9977680 A JP9977680 A JP 9977680A JP 9977680 A JP9977680 A JP 9977680A JP S5724956 A JPS5724956 A JP S5724956A
Authority
JP
Japan
Prior art keywords
belt
sensor
detecting
controller
circuit
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.)
Pending
Application number
JP9977680A
Other languages
Japanese (ja)
Inventor
Toshihiko Toyoshima
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.)
Fujifilm Business Innovation Corp
Original Assignee
Fuji Xerox Co Ltd
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 Fuji Xerox Co Ltd filed Critical Fuji Xerox Co Ltd
Priority to JP9977680A priority Critical patent/JPS5724956A/en
Publication of JPS5724956A publication Critical patent/JPS5724956A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/75—Details relating to xerographic drum, band or plate, e.g. replacing, testing
    • G03G15/754—Details relating to xerographic drum, band or plate, e.g. replacing, testing relating to band, e.g. tensioning
    • G03G15/755—Details relating to xerographic drum, band or plate, e.g. replacing, testing relating to band, e.g. tensioning for maintaining the lateral alignment of the band
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/00135—Handling of parts of the apparatus
    • G03G2215/00139—Belt
    • G03G2215/00143—Meandering prevention
    • G03G2215/00156—Meandering prevention by controlling drive mechanism

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Discharging, Photosensitive Material Shape In Electrophotography (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Structure Of Belt Conveyors (AREA)

Abstract

PURPOSE:To make a relative positon of a belt invariable even if a running speed of the belt varies by setting both a detecting mark for deviation and a detecting mark for position to the belt. CONSTITUTION:To a side edge of a belt 5, a detecting sensor 26 for the deviating direction and a detecting sensor 27 for belt position are set. The sensor 26 is connected to an output circuit 31 for detecting the deviating directon, and the circuit 31 is connected to one side of input terminals of a controller 28. On the other hand, the sensor 27 is connected to another side of input terminals of the controller 28 through the circuit 31. The controller 28 detects a difference between the detected signals by the sensor 26 and by the sensor 27, and signals contolling an amount of rotation and a sense of rotation of a reversible motor 29 are output from the controller 28. In rotating the motor 29, a rotating angle of a correcting roll 30 is controlled and the roll 30 rotates in the sense following the arrow (b) or (c). Respective definite examples of a detecting mark 32 for deviation and a detecting mark 33 for position, which are to be set to the belt respectively, are showed in the figure.
JP9977680A 1980-07-23 1980-07-23 Correcting device for zigzag movement Pending JPS5724956A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9977680A JPS5724956A (en) 1980-07-23 1980-07-23 Correcting device for zigzag movement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9977680A JPS5724956A (en) 1980-07-23 1980-07-23 Correcting device for zigzag movement

Publications (1)

Publication Number Publication Date
JPS5724956A true JPS5724956A (en) 1982-02-09

Family

ID=14256347

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9977680A Pending JPS5724956A (en) 1980-07-23 1980-07-23 Correcting device for zigzag movement

Country Status (1)

Country Link
JP (1) JPS5724956A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59113453A (en) * 1982-12-20 1984-06-30 Ricoh Co Ltd Copying machine
JPS617867A (en) * 1984-06-21 1986-01-14 Fujitsu Ltd Detecting device for seam and deviation of endless belt recording body
JPS6190171A (en) * 1984-10-09 1986-05-08 Fuji Xerox Co Ltd Detection method of latent image position on photosensitive belt
JP2007331864A (en) * 2006-06-13 2007-12-27 Toyota Motor Corp Transfer device for article to be conveyed
JP2013190752A (en) * 2012-03-15 2013-09-26 Canon Inc Image heating device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59113453A (en) * 1982-12-20 1984-06-30 Ricoh Co Ltd Copying machine
JPH0581900B2 (en) * 1982-12-20 1993-11-16 Ricoh Kk
JPS617867A (en) * 1984-06-21 1986-01-14 Fujitsu Ltd Detecting device for seam and deviation of endless belt recording body
JPS6190171A (en) * 1984-10-09 1986-05-08 Fuji Xerox Co Ltd Detection method of latent image position on photosensitive belt
JP2007331864A (en) * 2006-06-13 2007-12-27 Toyota Motor Corp Transfer device for article to be conveyed
JP2013190752A (en) * 2012-03-15 2013-09-26 Canon Inc Image heating device

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