Patent · US Expired

Sheet pick-up and feeder

US4003567A · kind A · utility

8Cited by
3References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 7, 1976
Grant dateJan 18, 1977
Priority date
Expiry dateApr 7, 1996

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB65H3/0816
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

Abstract

Apparatus for picking up a single sheet of semi-rigid material from the top of a stack of such sheets having a device overlying the back end of the stack and holding down that end of the stack, vacuum pick-up shoes to engage the back end of the topmost sheet in the stack, said shoes moving initially to slide the sheet forward from beneath the overlying device and then to lift the back end of the sheet, and a chain conveyor with hooks to engage the raised end of the sheet and feed such sheet into a conveyor for transporting the sheet away from the stack.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.