Sheet transport apparatus and image forming apparatus

Details Sheet transport apparatus and image forming apparatus Sheet transport apparatus and image forming apparatus

2005-09-13

2008-11-11

Primo, Allister (Department: 2854)

Electrophotography

Document handling

Copy

C271S003170, C271S003160

Reexamination Certificate

active

07450896

ABSTRACT:
A sheet transport apparatus includes a fixed driving roller and a driven roller capable of coming into contact with or being separated from the driving roller, the driving roller and driven roller being capable of rotating and transporting a sheet interposed therebetween; a rotating-body acceleration sensor moving together with the driven roller and capable of detecting acceleration of movement of the driven roller; and a determining unit for determining, based on the acceleration detected by the rotating-body acceleration sensor, the arrival of a sheet at the driving roller and the driven roller, and the thickness of a sheet.

REFERENCES:
patent: 6499734 (2002-12-01), Tranquilla
patent: 6827279 (2004-12-01), Teraura
patent: 401172148 (1989-07-01), None
patent: 05-005750 (1993-01-01), None
patent: 05-034370 (1993-02-01), None
patent: 05-313516 (1993-11-01), None
patent: 06-331648 (1994-12-01), None
patent: 07-215538 (1995-08-01), None
patent: 2002-337426 (2002-11-01), None
JP 05-313516 English translation of Abstract.

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