Fusing device having a pressure member, pushing member...

Details Fusing device having a pressure member, pushing member... Fusing device having a pressure member, pushing member...

2007-04-24

2007-04-24

Grainger, Quana (Department: 2852)

Electrophotography

Image formation

Fixing

Reexamination Certificate

active

11053868

ABSTRACT:
To prevent a defective fusing from occurring, a fusing member has a roller; a fusing belt heated and rendered to drive along a circumference of the roller; a pressure member disposed outside the fusing belt and rendered in pressurized contact with the roller through the fusing belt; and a pushing member disposed inside the fusing belt, as arranged together with and at an upstream side from the roller in a driving direction of the fusing belt, and rendered in pressurized contact with the pressure member through the fusing belt. The fusing belt and the pressure member compose a contact area for allowing a recording medium to pass through. The pushing member is disposed inside the fusing belt as arranged together with and on an upstream side with respect to the roller in a driving direction of the fusing belt, so that the contact becomes wider.

REFERENCES:
patent: 5873020 (1999-02-01), Matsuura et al.
patent: 6795678 (2004-09-01), Yura et al.
patent: 2005/0078990 (2005-04-01), Shiraishi
patent: 11-282293 (1999-10-01), None

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