Sheet processing apparatus and sheet processing method

Details Sheet processing apparatus and sheet processing method Sheet processing apparatus and sheet processing method

2007-04-10

2007-04-10

Mackey, Patrick (Department: 3653)

Sheet feeding or delivering

Delivering

With transfer means between conveyor and receiver

C271S065000, C271S902000

Reexamination Certificate

active

11009385

ABSTRACT:
A sheet direction inverting apparatus has a switchback portion for inverting the conveying direction of mails and the switchback portion has a drive roller and a driven roller. The length of mails sent to nips of the two rollers in the conveying direction is detected by a sensor, and after switching back, the length of the mails sent from the switchback portion in the conveying direction is detected by a sensor, and an overlapped sheets detector compares detection results. When the detection results are different, the overlapped sheets detector detects overlapping of the mails.

REFERENCES:
patent: 5505440 (1996-04-01), Uematsu
patent: 6419222 (2002-07-01), Morrison et al.
patent: 6726199 (2004-04-01), Ina et al.
patent: 7080834 (2006-07-01), Asari
patent: 2004/0163558 (2004-08-01), Itoh et al.
patent: 2004/0232055 (2004-11-01), Reboul et al.

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