Method for feeding documents to a copy machine
US4336928A · kind A · utility
12Cited by
3References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 4, 1980 |
| Grant date | Jun 29, 1982 |
| Priority date | — |
| Expiry date | Aug 4, 2000 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B27/6257
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A document handler employing a vacuum belt feeder having an air knife to aid in sheet separation. The quantity of air discharged from the air knife is varied in accordance with the number of documents placed in the document handler as determined by counting the documents fed through the document handler during the initial feed cycle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.