FIXING DEVICE AND IMAGE FORMING APPARATUS

摘要

PROBLEM TO BE SOLVED: To provide a fixing device capable of improving strength of a support member to prevent a nip forming member from bending.SOLUTION: There is provided a fixing device which comprises: a rotatable endless fixing belt 21; a nip forming member 24 arranged inside the fixing belt 21; an opposite rotor 22 for forming a nip part N between the fixing belt 21 by abutting on the nip forming member 24 through the fixing belt 21; a heating source 23 for heating the fixing belt 21; and a support member 25 for supporting the nip forming member 24. The support member 25 has a base part 25a in contact with the nip forming member 24 and two or more rising portions 25b which rise in the pressing direction from the base part 25a. The rising portions 25b are disposed at the respective distance. Two rising portions 25b are located at the end of or outside the nip part N.