Patent · US Expired

Stapling device and image forming apparatus having a stapling device

US5187534A · kind A · utility

23Cited by
4References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 29, 1991
Grant dateFeb 16, 1993
Priority date
Expiry dateMay 29, 2011

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G2215/00864
  • WIPO fieldOther consumer goods
  • WIPO sectorOther fields

Abstract

A device for stapling sheets at a stapling zone includes a conveyor for conveying the sheets to be collated to the stapling zone, a detector for detecting the overall thickness of sheets conveyed by the conveyor to the stapling zone, a first stapler for stapling the sheets collated at the stapling zone, and a second stapler for stapling the sheets collated at the stapling zone. In the device, one of the first and second staplers is selected to be actuated in accordance with the overall thickness of the stack of sheets detected by the detector.

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