JPS5770686A - Printer - Google Patents
PrinterInfo
- Publication number
- JPS5770686A JPS5770686A JP14772280A JP14772280A JPS5770686A JP S5770686 A JPS5770686 A JP S5770686A JP 14772280 A JP14772280 A JP 14772280A JP 14772280 A JP14772280 A JP 14772280A JP S5770686 A JPS5770686 A JP S5770686A
- Authority
- JP
- Japan
- Prior art keywords
- ribbon
- typeprinting
- tension
- ratchet
- printer
- 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
Links
Landscapes
- Impression-Transfer Materials And Handling Thereof (AREA)
Abstract
PURPOSE: To smoothly carry a predetermined amount of a ribbon synchronizedly with typeprinting operation of a printer, by making the drive member of a cassettemounting device, which rotates synchronizedly with typeprinting operation of the printer, couplable to each cassette, respectively.
CONSTITUTION: When typeprinting operation is performed, the rotation of a ratchet wheel 4 is transmitted through the first to third gears 5, 13, 14 to the fouth gear 15 to rotate a rotary member 16 by a predetermined rate. At this time, a used carbon ribbon 44 is wound onto a winding reel 49 by the engagement of an engaging needle 18 with the ribbon 33, and a large tension along the winding direcion is concurrently applied to the ribbon 44 exposed outside a cassette 36 by the spring power of a tension spring 33. A ribbon tension-control lever 27 is rotated by the tension, so that the engaging ratchet 34 of a drive lever 32 is detached from a ratchet 24a. Consequently, ratchet wheel 24 and a ribbon-feed reel 46 are integrally rotated to smoothly feed the predetermined amount of the ribbon 44 to the typeprinting surface of a platen under the condition that the tension is constantly applied to the ribbon 44 at every typeprinting operation.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14772280A JPS5770686A (en) | 1980-10-22 | 1980-10-22 | Printer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14772280A JPS5770686A (en) | 1980-10-22 | 1980-10-22 | Printer |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5770686A true JPS5770686A (en) | 1982-05-01 |
Family
ID=15436696
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14772280A Pending JPS5770686A (en) | 1980-10-22 | 1980-10-22 | Printer |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5770686A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5968964U (en) * | 1982-10-30 | 1984-05-10 | ジューキ株式会社 | Ribbon back tension spring holder in ink ribbon cassette |
US4717272A (en) * | 1985-08-26 | 1988-01-05 | Smith Corona Corporation | Ribbon feed mechanism |
US4886385A (en) * | 1988-06-27 | 1989-12-12 | Smith Corona Corporation | Ribbon tensioning mechanism |
-
1980
- 1980-10-22 JP JP14772280A patent/JPS5770686A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5968964U (en) * | 1982-10-30 | 1984-05-10 | ジューキ株式会社 | Ribbon back tension spring holder in ink ribbon cassette |
JPH038450Y2 (en) * | 1982-10-30 | 1991-03-01 | ||
US4717272A (en) * | 1985-08-26 | 1988-01-05 | Smith Corona Corporation | Ribbon feed mechanism |
US4886385A (en) * | 1988-06-27 | 1989-12-12 | Smith Corona Corporation | Ribbon tensioning mechanism |
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