Patent ID: 9599940
Date: 2017-03-21
CPC Classifications: G03G

Claim:
1. A fixing device, comprising: a fixing member that is rotatable and in an endless shape; a heat source that heats the fixing member; a nip forming member that is arranged inside the fixing member; and a pressurizing member that is pressurized to be in contact with the nip forming member through the fixing member, to form a fixing nip, and the fixing device fixing an unfixed image on a recording medium by passing the recording medium that carries the unfixed image through the fixing nip, wherein the nip forming member includes a base layer, and a high thermal-conductive layer that is arranged on a surface layer of the base layer on a fixing nip side, and that has higher thermal conductivity than the base layer, in the high thermal-conductive layer, a low thermal-conductive portion is arranged near an end portion in an axial direction of the fixing member, and the low thermal-conductive portion is structured by engaging a convex portion arranged in the base layer into a through hole arranged in the high thermal-conductive layer.