Suction head with lifting suction devices
US4869489A · kind A · utility
12Cited by
14References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 1, 1988 |
| Grant date | Sep 26, 1989 |
| Priority date | — |
| Expiry date | Apr 1, 2008 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65H3/0816
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
Suction head includes a vertically adjustable lifting suction device having a respective guiding element, and an axially displaceable, telescopically guided suction chamber arranged on the guiding element, the suction chamber having at least two suction nozzles disposed adjacent one another transversely to a direction in which sheets are conveyed, the suction nozzles being united into a double suction chamber so as to form a narrowly defined vacuum chamber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.