Feed device for tape perforators
US4032055A · kind A · utility
4Cited by
3References
3Claims
0Family size
Assignees
Inventor
Key dates
| Filing date | Apr 9, 1976 |
| Grant date | Jun 28, 1977 |
| Priority date | — |
| Expiry date | Apr 9, 1996 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/2141
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A tape feeding apparatus for perforators or reader of punched tape in which a circular cam continuously rotates in a slot machined in a first lever. A second lever, selectively activated by an electromagnet, enables the first lever to be operated by the cam for jogging a saw tooth wheel integral with a sprocket pulley, feeding the paper.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.