Patent · US Expired

Sheet processing apparatus and image forming apparatus

US6220592A · kind A · utility

50Cited by
3References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 13, 1999
Grant dateApr 24, 2001
Priority date
Expiry dateMay 13, 2019

Classification

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

Abstract

A sheet processing apparatus includes a stacking device for stacking a sheet, a delivering device for delivering the sheet to the stacking device, and a pulling device for pulling in a direction opposite to a delivery direction the sheet delivered to the stacking device. The pulling device is structured to keep approximately constant a contract pressure exerted to the topmost sheet delivered on the stacking device, and the pulling device is formed in a tapered shape whose one end is narrower than the opposite end.

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