Passive vacuum transport
US6969066B2 · kind B2 · utility
1Cited by
8References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 19, 2002 |
| Grant date | Nov 29, 2005 |
| Priority date | — |
| Expiry date | Nov 23, 2023 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65H2406/351
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
An apparatus for improving sheet feeding in a direction of movement to a process station, including: a contact surface having ribs spaced along contact surface in the direction of movement, apertures being defined in the space between each rib; a blower; and an air plenum for supplying a vacuum generated by the blower to the contact surface so that when an leading edge of the sheet passes by the contact surface the vacuum pulls the leading edge of the sheet towards contact surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.