Patent ID: 8369761

Claim:
A heating device comprising: a heating member that includes a heat generation layer generating heat through electromagnetic induction, and that heats a recording medium by the heat generation layer heated through electromagnetic induction; a pressure member that is configured to come into contact with and to separate from the heating member, and that forms a nip portion between the pressure member and the heating member by coming into contact with the heating member, the nip portion being a portion through which the recording medium passes; a first elastic member that is arranged at an inner side of the heating member, and that is elastically deformed at the nip portion by a pressing force from the pressure member; a second elastic member being arranged between an outer circumferential surface of the first elastic member and an inner circumferential surface of the heating member while being fixed to both of the first elastic member and the heating member, and having a larger elastic deformation ratio at the nip portion than the first elastic member; and a support member supporting the heating member and the first elastic member so as to form a gap between the outer circumferential surface of the first elastic member and the inner circumferential surface of the heating member, and rotating both of the heating member and the first elastic member when a rotational drive force is transmitted to the support member, wherein the heating device comprises the second elastic member, and the second elastic member has a lower thermal conductivity than the first elastic member.