JPS5581183A - Ink ribbon driving system of printing machine - Google Patents

Ink ribbon driving system of printing machine

Info

Publication number
JPS5581183A
JPS5581183A JP15561278A JP15561278A JPS5581183A JP S5581183 A JPS5581183 A JP S5581183A JP 15561278 A JP15561278 A JP 15561278A JP 15561278 A JP15561278 A JP 15561278A JP S5581183 A JPS5581183 A JP S5581183A
Authority
JP
Japan
Prior art keywords
ribbon
ink ribbon
resistor
resistance
braking force
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
JP15561278A
Other languages
Japanese (ja)
Inventor
Toshio Hiki
Hisayoshi Monma
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.)
Koki Holdings Co Ltd
Original Assignee
Hitachi Koki 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 Hitachi Koki Co Ltd filed Critical Hitachi Koki Co Ltd
Priority to JP15561278A priority Critical patent/JPS5581183A/en
Publication of JPS5581183A publication Critical patent/JPS5581183A/en
Pending legal-status Critical Current

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  • Impression-Transfer Materials And Handling Thereof (AREA)

Abstract

PURPOSE: To maintain nearly a constant tension acted on an ink ribbon regardless of running direction of the ink ribbon by reducing the braking force applied on the ink ribbon when the ink ribbon runs in a reverse direction of the printing carriage.
CONSTITUTION: When an ink ribbon 3 is wound around a spool 4, the more resistance of a resistor 33 develops less braking force applied to the ribbon with a motor 7. When the ribbon 3 is wound around the spool 5, the more resistance of a resistor 34 develops less braking force applied to the ribbon 3 with the motor 6. According, when the motors 6, 7 allow to have the same rating, and the ribbon 3 is wound around the spool 5, that is, running in a opposite direction of a printing belt 1, the braking force acting on the ribbon 3 can be reduced to maintain a constant tension acted on the ribbon 3 regardless of running direction of the ribbon 3 by allowing the resistance of the resistor 34 to set larger value than the resistance of the resistor 33.
COPYRIGHT: (C)1980,JPO&Japio
JP15561278A 1978-12-15 1978-12-15 Ink ribbon driving system of printing machine Pending JPS5581183A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15561278A JPS5581183A (en) 1978-12-15 1978-12-15 Ink ribbon driving system of printing machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15561278A JPS5581183A (en) 1978-12-15 1978-12-15 Ink ribbon driving system of printing machine

Publications (1)

Publication Number Publication Date
JPS5581183A true JPS5581183A (en) 1980-06-18

Family

ID=15609819

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15561278A Pending JPS5581183A (en) 1978-12-15 1978-12-15 Ink ribbon driving system of printing machine

Country Status (1)

Country Link
JP (1) JPS5581183A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5892067U (en) * 1981-12-17 1983-06-22 日立工機株式会社 Ink ribbon drive device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5892067U (en) * 1981-12-17 1983-06-22 日立工機株式会社 Ink ribbon drive device
JPS6329582Y2 (en) * 1981-12-17 1988-08-09

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