Sheet feeding apparatus
US4299381A · kind A · utility
22Cited by
4References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 4, 1980 |
| Grant date | Nov 10, 1981 |
| Priority date | — |
| Expiry date | Aug 4, 2000 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65H3/126
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A bottom sheet feeder employing a vacuum feed assembly in conjunction with an air knife for separating and feeding sheets from a sheet stack. A self regulating blower input and output bleed valve assembly utilized in conjunction with a single blower regulates air flow through the blower to the air knife irrespective of the degree of air flow through the vacuum feed assembly caused by blockage thereof by the acquired sheets.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.