Patent · US Expired

Suction head with lifting suction devices

US4869489A · kind A · utility

12Cited by
14References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 1, 1988
Grant dateSep 26, 1989
Priority date
Expiry dateApr 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.