JPS55146459A - Roll paper cutter - Google Patents

Roll paper cutter

Info

Publication number
JPS55146459A
JPS55146459A JP5249979A JP5249979A JPS55146459A JP S55146459 A JPS55146459 A JP S55146459A JP 5249979 A JP5249979 A JP 5249979A JP 5249979 A JP5249979 A JP 5249979A JP S55146459 A JPS55146459 A JP S55146459A
Authority
JP
Japan
Prior art keywords
signal
circuit
paper
original
roll paper
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
JP5249979A
Other languages
Japanese (ja)
Other versions
JPH0253787B2 (en
Inventor
Kunio Kudo
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 JP5249979A priority Critical patent/JPS55146459A/en
Publication of JPS55146459A publication Critical patent/JPS55146459A/en
Publication of JPH0253787B2 publication Critical patent/JPH0253787B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Paper Feeding For Electrophotography (AREA)
  • Control Or Security For Electrophotography (AREA)

Abstract

PURPOSE: To cut roll paper by the same length as that of an original, by automatically changing the generation timing of a cutting signal for cutting the paper in accordance with the original length.
CONSTITUTION: Roll paper is fed with paper feed roller 13 in a paper feeder, and is cut with a cutter 19. Roller 13 is connected with motor M always rotating through clutch CL, and clutch CL and cutter drive circuit 18 are controlled by signals 16', 17' from paper feed control circuit 14. Circuit 14 comprises control signal circuit 15, timer 16, 17, and original length correcting circuit 20, and receives original detection signal 10' from original detecting circuit 10. Control signal circuit 15 delays signal 10' by a constant time, differentiates the rise and breaking of signal 10' to send the differentiated rise output as wave shaped signal 15' and the differentiated fall output as wave shaped and reversed signal 15". Signal 15' accords the ends of the roll paper and the original, and signal 15" stops paper feed to cut the paper with cutter 19.
COPYRIGHT: (C)1980,JPO&Japio
JP5249979A 1979-05-01 1979-05-01 Roll paper cutter Granted JPS55146459A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5249979A JPS55146459A (en) 1979-05-01 1979-05-01 Roll paper cutter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5249979A JPS55146459A (en) 1979-05-01 1979-05-01 Roll paper cutter

Publications (2)

Publication Number Publication Date
JPS55146459A true JPS55146459A (en) 1980-11-14
JPH0253787B2 JPH0253787B2 (en) 1990-11-19

Family

ID=12916407

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5249979A Granted JPS55146459A (en) 1979-05-01 1979-05-01 Roll paper cutter

Country Status (1)

Country Link
JP (1) JPS55146459A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0546493U (en) * 1991-11-27 1993-06-22 旭精密株式会社 Lower roller support device for drafting machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0546493U (en) * 1991-11-27 1993-06-22 旭精密株式会社 Lower roller support device for drafting machine

Also Published As

Publication number Publication date
JPH0253787B2 (en) 1990-11-19

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