Cassette for dye impregnated ribbon
US4071133A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 31, 1976 |
| Grant date | Jan 31, 1978 |
| Priority date | — |
| Expiry date | Mar 31, 1996 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J33/10
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A cassette, for use in connection with a device for printing characters on a surface from the stroke impact of an endless dye impregnated ribbon such as a typewriter, the device defining a stroke region, features a housing defining two chambers, one of the chambers providing a storage region, the housing having a passageway for the ribbon, the passageway interconnecting with the storage region and being adapted to communicate with the stroke region, the ribbon being adapted to move between the stroke area and the storage region, re-impregnating means disposed in the other chamber and operable for re-impregnating the ribbon with dye, and transport means disposed substantially between the chambers and the passageway and operable for transporting the ribbon and for maintaining the ribbon substantially stretched in the stroke region.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.