Copying apparatus
US4171781A · kind A · utility
13Cited by
6References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 20, 1978 |
| Grant date | Oct 23, 1979 |
| Priority date | — |
| Expiry date | Mar 20, 1998 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2215/00518
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A copying apparatus with a paper roll wound on a sleeve, a pair of roll holders having lugs frictionally held in the ends of the sleeve, each roll holder being provided with a journal pin adapted to engage an associated guide mounted on the copying apparatus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.