Ribbon cartridge for dual automatic typewriter function
US3976184A · kind A · utility
1Cited by
15References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 23, 1975 |
| Grant date | Aug 24, 1976 |
| Priority date | — |
| Expiry date | Jun 23, 1995 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J31/10
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A typewriter ribbon cartridge having a camming abutment thereon for engaging one or more typewriter function responsive means to thereby actuate the typewriter function mechanism when the ribbon cartridge is inserted into the typewriter and thereafter to re-engage the responsive means to actuate the function mechanism a second time when the ribbon cartridge is removed from the typewriter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.