Patent · US Expired

Sheet conveyer having a sheet aligner

US5162857A · kind A · utility

35Cited by
7References
19Claims
0Family size

Assignees

Inventors

Key dates

Filing dateJan 16, 1991
Grant dateNov 10, 1992
Priority date
Expiry dateJan 16, 2011

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G2215/00586
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A sheet conveyer having a sheet registration device for an image forming apparatus having a sheet path for guiding a sheet having an image recorded on one side thereof back to an image forming unit for recording another image on the other side, comprises a mechanism for switching the sheet having the image recorded on one side thereof back to the sheet path, a mechanism for abutting the switched-back sheet against a lateral registration reference plane, and a preliminary shift function shared by the switch-back mechanism for shifting the sheet oppositely to the reference plane.

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