Patent · US Expired

Method for reversing the direction of travel of a sheet

US4159824A · kind A · utility

11Cited by
4References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 5, 1977
Grant dateJul 3, 1979
Priority date
Expiry dateDec 5, 1997

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S271/902
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

Abstract

A method for changing the direction of travel of a sheet includes the steps of providing a pocket, guiding a sheet traveling in a first direction into the pocket, and providing a fluid stream in the pocket to bias the sheet in a substantially opposite direction, thereby reversing the direction of travel of the sheet.

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