Unit assembly structure and fuser of image formation apparatus

Details Unit assembly structure and fuser of image formation apparatus Unit assembly structure and fuser of image formation apparatus

2007-03-27

2007-03-27

Evans, Robin (Department: 3742)

Electric heating

Heating devices

Combined with diverse-type art device

C399S122000, C399S124000, C399S113000, C399S328000, C399S320000, C399S321000

Reexamination Certificate

active

11358640

ABSTRACT:
A fuser includes a fusing roll unit having a fusing roll, a pressurizing roll unit having a pressurizing roll and a coil spring resiliently biasing the pressurizing roll. The units are secured by a pair of engagements. One engagement includes a hook provided at the fusing roll unit and an eye provided at the pressurizing roll unit and capable of guiding and thus moving the units pivotably relative to each other when said hook is engaged therein. The fuser can thus have a simple structure formed of a reduced number of components and enhancing workability and facilitating its fabrication.

REFERENCES:
patent: 5572307 (1996-11-01), Tomatsu et al.
patent: 5758252 (1998-05-01), Enomoto et al.
patent: 6104889 (2000-08-01), Saitoh
patent: 6819895 (2004-11-01), Suzuki
patent: 6990303 (2006-01-01), Suzuki
patent: 2003/0118382 (2003-06-01), Tomatsu
patent: 06-348164 (1994-12-01), None
patent: 07-084419 (1995-03-01), None
Patent Abstracts of Japan, Application No. 07-084419, dated Mar. 31, 1995 (2 pages).
Patent Abstracts of Japan, Application No. 06-348164, dated Dec. 22, 1994 (2 pages).

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