Patent · US Expired

Sheet processing apparatus and image forming apparatus using same

US6241234A · kind A · utility

41Cited by
12References
22Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 29, 1997
Grant dateJun 5, 2001
Priority date
Expiry dateDec 29, 2017

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB65H2801/27
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

Abstract

A sheet processing apparatus has a first stacker for stacking discharged sheets; a feeder for feeding a set of sheets from the first stacker; and second stacker for stacking the set of sheets fed by the feeder. A shifting device shifts the sheets stacked on the first stacker and; a controller groups the sheets in a set into a plurality of groups of sheets, and stacks, shifts and feeds the sheets, for each group, to the first stacker, and stacks the set of sheets on the second stacker.

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