Mechanism for raising and transporting of print and correction ribbons
US4589788A · kind A · utility
7Cited by
2References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 5, 1984 |
| Grant date | May 20, 1986 |
| Priority date | — |
| Expiry date | Dec 5, 2004 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J35/10
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Mechanism to raise and transport print and correction ribbons in typewriters and similar machines as a function of the direction of a rotation of a motor. The required motions are brought about by means of a cam wheel containing different cams and by appropriate cam followers, and provision is made to maintain ribbon raised to the typed line level so that during rapid printing only transport steps need to be carried out. It is also possible with the mechanism to effect transport steps of different size, to meet the requirements of the ribbon type used.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.