Sheet feeding apparatus having an air plenum with a leaky seal
US6398208B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 12, 2000 |
| Grant date | Jun 4, 2002 |
| Priority date | — |
| Expiry date | Jun 12, 2020 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65H2406/31
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A sheet feeding apparatus for feeding a compilation of sheets to a process station, including: a sheet tray for holding the compilation of sheets; an air plenum, positioned above the compilation of sheets, the air plenum including an outer perimeter, and a corrugated surface for corrugating one of the compilation of sheets into predefine multiple spans; a blower for generating a vacuum force in the air plenum to drive one of the compilation of sheets into contact with the air plenum thereby corrugating one of the compilation of sheets into predefine multiple spans; a series of sets of seals around the outer perimeter of the air plenum, for sealing one of the compilation of sheets against the air plenum.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.