Patent ID: 9354573
Filing Date: 2016-05-31
CPC Classification: G03G

Claim Text:
1. A fusing device, comprising: a housing; a pressure roller rotatably installed in the housing; a heating unit arranged to face the pressure roller, the heating unit including a side frame slidably installed to the housing to rotatably support a film-shaped fusing belt inside of which a heat source is provided; a pressure unit to press the side frame such that the fusing belt comes into close contact with the pressure roller while defining a fusing nip therebetween; and a position regulating device to support the side frame to regulate a position of the side frame when the side frame is pressed and moved by the pressure unit, thereby fixing a position of the fusing nip, the position regulating device arranged to perform a linear movement together with the side frame, wherein one side of the side frame is supported by the pressure unit and the other side of the side frame is supported by the position regulating device, and the position regulating device is slidably coupled to the housing.