Sheet feeding apparatus
US5213036A · kind A · utility
18Cited by
3References
2Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Dec 5, 1991 |
| Grant date | May 25, 1993 |
| Priority date | — |
| Expiry date | Dec 5, 2011 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65H9/00
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
With a sheet feeding apparatus, to feed sheets piled up in a hopper, piece by piece, to a printing press from a suction conveyor installed at bottom of the hopper, having motor for driving the suction conveyor, sensor positioned above the suction conveyor to detect front edges of sheets, and a control unit to equalize speed of motor with speed of plate cylinder of the said printing press and to adjust phase of sheet to phase of the plate cylinder, sheet feeding accuracy is improved.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.