Patent ID: 9152099
Filing Date: 2015-10-06
Classification: G03G

Abstract:
1. A fixing device comprising: a fixing rotary body; a pressing rotary body to press against the fixing rotary body to form a fixing nip therebetween through which a recording medium is conveyed; a pivotable pressure lever rotatably mounting the pressing rotary body; a pressurization cam assembly contacting the pressure lever to pivot the pressure lever to press the pressing rotary body against the fixing rotary body and release pressure between the pressing rotary body and the fixing rotary body; a pivotable cleaning unit separably pressed against the pressing rotary body and including: a cleaning unit cam assembly contacting the cleaning unit to pivot the cleaning unit to press against and separate from the pressing rotary body, wherein a center of gravity of the cleaning unit is situated in a region defined by a vertical perpendicular passing through a pivot shaft of the cleaning unit and a vertical perpendicular passing through a rotation shaft of the pressing rotary body.