Belt unit for image-forming apparatus

Details Belt unit for image-forming apparatus Belt unit for image-forming apparatus

2006-02-27

2008-05-06

Brase, Sandra L. (Department: 2852)

Electrophotography

Having particular structure

Modular or displaceable

C399S116000

Reexamination Certificate

active

07369793

ABSTRACT:
A belt unit is detachably mountable in an image-forming apparatus. The belt unit includes: at least two rollers, each having a roller shaft; an endless belt looped around the two rollers; and an outer frame disposed around the endless belt and having two roller-supporting walls rotatably supporting the rollers therebetween, the roller shafts of the rollers extending in a direction intersecting the roller-supporting walls.

REFERENCES:
patent: 4674858 (1987-06-01), Nagayama
patent: 5602634 (1997-02-01), Uchida et al.
patent: 6493533 (2002-12-01), Munakata
patent: 7187887 (2007-03-01), Inaba
patent: 7-315614 (1995-12-01), None
patent: 8-123294 (1996-05-01), None
patent: 2001-13800 (2001-01-01), None
patent: 2004-109267 (2004-04-01), None

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