Ink ribbon unit and ink ribbon cassette
US5290114A · kind A · utility
14Cited by
7References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 3, 1993 |
| Grant date | Mar 1, 1994 |
| Priority date | — |
| Expiry date | Feb 3, 2013 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J17/36
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
An ink ribbon unit and an ink ribbon cassette for use in printers of thermally sublimate ink transferal type are described. The cassette comprises a casing and the ink ribbon unit installed in the casing. The ink ribbon unit comprises an ink film, a spool around which the ink film is wound, a coaxial shaft portion possessed by the spool, a ring rotatably disposed about the coaxial shaft portion of the spool, and a mark representing information on the ink film. The mark is applied to the ring to rotate therewith. Another mark similar to the above-mentioned mark is attached to the casing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.