Patent ID: 9519250
Filing Date: 2016-12-13
CPC Classification: G03G

Claim Text:
1. A heater usable with an image heating apparatus including an electric energy supplying portion provided with a first terminal and a second terminal, and an endless belt configured to heat an image on a sheet, wherein said heater is contactable to the belt to heat the belt, said heater comprising: a substrate; a first electrical contact provided on said substrate and electrically connectable with the first terminal; a plurality of second electrical contacts provided on said substrate and electrically connectable with the second terminal; a plurality of electrode portions including first electrode portions electrically connected with said first electrical contact and second electrode portions electrically connected with said second electrical contacts, said first electrode portions and said second electrode portions being arranged alternately with predetermined gaps in a longitudinal direction of said substrate; a plurality of heat generating portions provided between adjacent ones of said electrode portions so as to electrically connect between adjacent electrode portions, said heat generating portions being capable of generating heat by electric power supply between adjacent electrode portions; a first electroconductive line portion configured to electrically connect said first electrical contact and said first electrode portions; and a second electroconductive line portion configured to electrically connect one of said second electrical contacts and a part of said second electrode portions; wherein said heat generating portions are disposed so as to be offset from a center line of said substrate with respect to a widthwise direction of said substrate.