Patent ID: 9696669
Date: 2017-07-04
CPC Classifications: G03G

Claim:
1. A fuser device, comprising: a first belt that includes a first base material, a heat application member that heats an inner surface of the first belt, a fuser member that contacts the inner surface of the first belt, a nip forming member that contacts the inner surface of the first belt, a second belt that includes a second base material, and a pressure application member that contacts an inner surface of the second belt, wherein rigidity of the first base material of the first belt is less than rigidity of the second base material of the second belt, a first nip region, in which the first belt and the second belt contact, is formed in an area where the nip forming member contacts the first belt, a second nip region is formed in an area where the fuser member and the pressure application member are arranged to oppose each other, the first nip region formed by the nip forming member is formed on a upstream most side in a medium carrying direction of a belt contact region where the first belt and the second belt contact, the second nip region formed by the fuser member and the pressure application member is formed on a downstream most side in the medium carrying direction of the belt contact region, and in the first nip region where the nip forming member contacts the first belt, the second belt is free from any contact on the inner surface of the second belt.