Patent · US Expired

Duplex printer and method of printing

US5150168A · kind A · utility

7Cited by
8References
26Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 1, 1991
Grant dateSep 22, 1992
Priority date
Expiry dateAug 1, 2011

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB65H31/3081
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

Abstract

A copying and or printing apparatus including a duplex feeder for feeding sheets having had page image information copied/printed on one side thereof, back to a copying/printing station for transferring page image information to the other side thereof. The duplex feeder includes a buffer tray that can be positioned above and slightly upstream of a feeder tray. The buffer tray stores copy sheets exceeding the maximum capacity of the feeder tray such that the copier/printer can process a greater number of duplex copies in a single run.

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