Patent · US Expired

Paper guide means for reverse feed sheet paper separation device

US4136861A · kind A · utility

6Cited by
2References
8Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 30, 1977
Grant dateJan 30, 1979
Priority date
Expiry dateSep 30, 1997

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB65H3/0623
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

Abstract

Mechanism for separating the uppermost pliant sheet of a stack of such sheets from the stack including a rotatable friction drive wheel effective on the longitudinal center line of the uppermost sheet for initially moving the sheet rearwardly, and a pair of downwardly tapered posts at the rear face of the stack and on opposite sides of the center line which cause the uppermost sheet to bow upwardly away from the stack particularly on its side edges for thereby effectively separating the sheet from the stack and allowing it to be driven subsequently in the forward direction to free it completely from the stack.

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