JPS5637943A - Sheet clamper - Google Patents

Sheet clamper

Info

Publication number
JPS5637943A
JPS5637943A JP11455079A JP11455079A JPS5637943A JP S5637943 A JPS5637943 A JP S5637943A JP 11455079 A JP11455079 A JP 11455079A JP 11455079 A JP11455079 A JP 11455079A JP S5637943 A JPS5637943 A JP S5637943A
Authority
JP
Japan
Prior art keywords
sheet
pump
air
unclamp
claw
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.)
Granted
Application number
JP11455079A
Other languages
Japanese (ja)
Other versions
JPS6363446B2 (en
Inventor
Saburo Kato
Michio Umezawa
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.)
Ricoh Co Ltd
Original Assignee
Ricoh 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP11455079A priority Critical patent/JPS5637943A/en
Publication of JPS5637943A publication Critical patent/JPS5637943A/en
Publication of JPS6363446B2 publication Critical patent/JPS6363446B2/ja
Granted legal-status Critical Current

Links

Abstract

PURPOSE: To decrease mechanical operating parts and reduce the capacity and size of a pump, etc., by providing rows of air holes in positions of clamping of the front and rear ends of a sheet on a drum around which the sheet is wound and by sucking air to clamp the sheet and exhausting the air to unclamp the sheet.
CONSTITUTION: When a sheet bite-in claw 23 is open, the ffont end Sa of a sheet collides against a stopper 25 and is revolved together with a drum and thrusted by a handling roller 64. At the same time, the rotation of a pair of send-out rollers 69 is stopped to eliminate the looseness of the sheet. A suction pump is then operated by the action of an solenoid valve to suck the front end of the sheet S first and thereafter suck the bite-in claw 23 and clamp the front end Sa. When the rear end Sb of the sheet is brought to air holes 52 for the rear end, this end is clamped by suction in the same manner. To unclamp the sheet, air is exhausted from the pump. Since the front and rear ends of the sheet are separately clamped and unclamped, the capacity and size of the pump and a noise can be reduced.
COPYRIGHT: (C)1981,JPO&Japio
JP11455079A 1979-09-06 1979-09-06 Sheet clamper Granted JPS5637943A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11455079A JPS5637943A (en) 1979-09-06 1979-09-06 Sheet clamper

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11455079A JPS5637943A (en) 1979-09-06 1979-09-06 Sheet clamper

Publications (2)

Publication Number Publication Date
JPS5637943A true JPS5637943A (en) 1981-04-11
JPS6363446B2 JPS6363446B2 (en) 1988-12-07

Family

ID=14640586

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11455079A Granted JPS5637943A (en) 1979-09-06 1979-09-06 Sheet clamper

Country Status (1)

Country Link
JP (1) JPS5637943A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5992671A (en) * 1982-11-18 1984-05-28 Sanyo Electric Co Ltd Form loading device of rotating drum
US5964430A (en) * 1998-05-28 1999-10-12 Ncr Corporation Winding arbor
JP2009242064A (en) * 2008-03-31 2009-10-22 Fujifilm Corp Conveying body and image forming device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5348467U (en) * 1976-09-28 1978-04-24
JPS5477139A (en) * 1977-12-01 1979-06-20 Ibm Device for treating flexible sheet material of different size

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5348467U (en) * 1976-09-28 1978-04-24
JPS5477139A (en) * 1977-12-01 1979-06-20 Ibm Device for treating flexible sheet material of different size

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5992671A (en) * 1982-11-18 1984-05-28 Sanyo Electric Co Ltd Form loading device of rotating drum
JPH0420307B2 (en) * 1982-11-18 1992-04-02 Sanyo Electric Co
US5964430A (en) * 1998-05-28 1999-10-12 Ncr Corporation Winding arbor
JP2009242064A (en) * 2008-03-31 2009-10-22 Fujifilm Corp Conveying body and image forming device

Also Published As

Publication number Publication date
JPS6363446B2 (en) 1988-12-07

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