Fixing unit

Details Fixing unit Fixing unit

1997-08-05

1998-11-24

Burr, Edgar S.

Electrophotography

Image formation

Fixing

399332, 399330, G03G 1520

Patent

active

058421009

ABSTRACT:
A fixing unit includes a heat roller accommodating a heater and a press roller movable toward and away from the heat roller. Both shaft members of the heat roller are supported by two receiving members, with a clearance provided between each shaft member and respective receiving member. A driven gear is provided to one of the shaft member, which engages a rotating mechanism for rotating the heat roller. The fixing unit further includes a biasing member which biases the other shaft of the heat roller away from the press roller within the clearance, in such a manner that the heat roller and the press roller become parallel when the above-described one shaft member is urged away from the press roller due to the meshing engagement of the driven gear and the rotating mechanism.

REFERENCES:
patent: 5144360 (1992-09-01), Ishida
patent: 5253013 (1993-10-01), Takano et al.
patent: 5564845 (1996-10-01), Yamaguchi et al.
patent: 5572307 (1996-11-01), Tomatsu et al.
patent: 5666627 (1997-09-01), Yamaguchi

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