Ink ribbon cassette and method of replacing ink ribbon film

Details Ink ribbon cassette and method of replacing ink ribbon film Ink ribbon cassette and method of replacing ink ribbon film

1994-04-15

1995-03-21

Burr, Edgar S.

Typewriting machines

Including interposed inking device for record-medium

Package for ribbon facilitating mounting of ribbon on...

400208, B41J 3528

Patent

active

053990358

ABSTRACT:
An ink ribbon cassette includes an ink ribbon unit, first and second housings, and coupling mechanisms, and holding mechanisms. The ink ribbon unit is replaced while an ink ribbon film is wound around a supply bobbin and a take-up bobbin. The first housing has a pair of first semi-cylindrical bobbin housing portions in which the supply and take-up bobbins of the ink ribbon unit are housed parallel to be spaced apart from each other at a predetermined interval. The second housing has a pair of second semi-cylindrical bobbin housing portions in which the supply and take-up bobbins are housed parallel to be spaced apart from each other at a predetermined interval. The coupling mechanisms couple the second housing to the first housing while the first bobbin housing portions are caused to correspond to the second bobbin housing portions, respectively. The holding mechanisms are arranged at two end portions of each of the first bobbin housing portions or each of the second bobbin housing portions, for detachably holding two end portions of the supply bobbin and those of the take-up bobbin. A method of replacing an ink ribbon film is also disclosed.

REFERENCES:
patent: 4160605 (1979-07-01), Neubaum
"Ribbon Cartridge", IBM Technical Disclosure Bulletin vol. 29, No. 12, May 1987.
"Colormate.TM.PS User's Guide", Mar. 1991, NEC Technologies, Inc., 1414 Massachusetts Avenue Boxborough, Mass. 01719, total 8 pages.
Abstract of "Japanese Office Printer Manual" (Disclosed in Nov., 1988), total 6 pages.
Abstract of "Catalog of Japanese Color Thermal Transfer Printer and User's Manual" (Disclosed in Dec., 1988), total 14 pages.

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