Stapling device and image forming apparatus having a stapling de

Details Stapling device and image forming apparatus having a stapling de Stapling device and image forming apparatus having a stapling de

1991-05-29

1993-02-16

Pendegrass, Joan H.

Photocopying

Contact printing

Light boxes

227155, 270 53, G03G 1500

Patent

active

051875349

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.

REFERENCES:
patent: 2083227 (1933-10-01), Drypolcher
patent: 4366924 (1983-01-01), Leiter
patent: 4994865 (1991-02-01), Nishimori et al.
patent: 5029745 (1991-07-01), Akizawa et al.

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