Induction heating type fixing device for an image forming apparatus and induction heating coil therefor

摘要

An induction heating type fixing device for an electrophotographic image forming apparatus is disclosed. An inducting heating coil has a plurality of bobbins (6a,6b) each having a particular diameter and assembled in a telescopic manner. A particular conductor (3a,3b) is wound round each bobbin beforehand with leads being laid inside of the conductor. The bobbin may be implemented as a plurality of bobbin members removably connected together.