Patent ID: 8369762

Claim:
A heating device comprising: a heating member that heats a recording medium; a pressure member that forms a heating pressure portion between the pressure member and the heating member by coming into pressure contact with an outer circumferential surface of the heating member, the heating pressure portion being passed through by the recording medium; a tensioning member that is placed facing the pressure member with the heating member interposed therebetween, and that provides a tension to the heating member; and an inside heating unit that heats the heating member from inside and that controls meandering of the heating member, the inside heating unit including: a secured center shaft; an outer circumferential portion that rotates about the center shaft; a heater that is placed inside the outer circumferential portion, and that heats the outer circumferential portion from inside; and a plurality of heat reflecting members, each of the plurality of heat reflecting members are secured to the center shaft and placed at each of both end portions of the outer circumferential portion, the plurality of heat reflecting members are arranged in a horizontal direction that is a same direction as a direction of the center shaft, and the plurality of heat reflecting members reflect heat emitted from the heater.