Patent ID: 9632467
Date: 2017-04-25
CPC Classifications: G03G

Claim:
1. A fixing device comprising: a fixing roller; a heating unit for forming a heating nip in cooperation with said fixing roller; a pressing unit for forming a fixing nip in cooperation with said fixing roller; a force imparting mechanism for imparting a force to said heating unit and said pressing unit in directions of sandwiching said fixing roller; a first pressure releasing mechanism including a first cam portion actable on said force imparting mechanism in a direction of spacing said heating unit from said fixing roller and including a first gear portion for driving said first cam portion; and a second pressure releasing mechanism including a second cam portion actable on said force imparting mechanism in a direction of spacing said pressing unit from said fixing roller and including a second gear portion for driving said second cam portion, wherein said first gear portion and said second gear portion engage with each other, and a driving force is transmitted from one gear portion of said first and second gear portions to the other gear portion of said first and second gear portions.