Device for separating an uppermost sheet from a supply stack by means of air blowers
US6629692B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 6, 2001 |
| Grant date | Oct 7, 2003 |
| Priority date | — |
| Expiry date | Dec 18, 2021 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65H2406/122
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A device (I) for separating an uppermost sheet (S1) from a supply stack (S), for the purpose of grasping the separated uppermost sheet and feeding it, wherein air blowers (3.1) for spreading apart several sheets of an upper sheet stack area (SR) and air blowers (3.2) for separating the uppermost sheet (S1) and holding back an adhering sheet (S2), are located downstream in front of the supply stack and transverse to a sheet transport path (42), and wherein air jets with different pressures, directions, and diameters may be generated by the air blowers (3.1; 3.2) supplied from an air pressure source (6) with at least one air nozzle (31) located in the area of a center line (Y, Z) of the stack (2) and the transport path (42) and with several air nozzles (32) located on both sides of the center line.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.