Apparatus and method for fuser nip balance control

Details Apparatus and method for fuser nip balance control Apparatus and method for fuser nip balance control

2009-02-12

2011-12-13

Porta, David (Department: 2884)

Electrophotography

Image formation

Fixing

Reexamination Certificate

active

08078091

ABSTRACT:
An apparatus (100) and method (700) that controls fuser nip balance is disclosed. The apparatus can include a first fuser member (110) rotationally supported in the apparatus, a second fuser member (120) rotationally supported in the apparatus, and a rotatable cam mechanism (130) coupled to the second fuser member. The rotatable cam mechanism can be configured to provide variable pressure between the first fuser member and the second fuser member, The rotatable cam mechanism can include a cam rotational axis (135), a first cam end (131) at one end of the cam rotational axis, the first cam end including a first cam member (141) having a first cam profile perpendicular to the cam rotational axis, and a second cam end (132) at another end of the cam rotational axis, the second cam end including a second cam member (142) having a second cam profile perpendicular to the cam rotational axis, the second cam profile different from the first cam profile.

REFERENCES:
patent: 6169874 (2001-01-01), Quesnel et al.
patent: 6687468 (2004-02-01), Holubek et al.
patent: 2010/0061786 (2010-03-01), Van Bortel et al.

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