US 2013/0094887 A1 · IMAGE HEATING APPARATUS

Abstract

An image heater a hollow heating roller having a hole at an axial end portion thereof; a bearing supporting the heating roller; a heat insulating bush fitted between an outer surface of the heating roller and the bearing; a retaining ring for retaining the heat insulating bush in an axial direction of the heating roller, the retaining ring including a projection engaging with the hole; an annular spacer provided between the retaining ring and the heat insulating bush, wherein the spacer includes a connecting portion having a connecting hole, the retaining ring includes a hooking portion engaging with the connecting hole.

Claims11

Dependent claims

An image heating apparatus:

a hollow heating roller having a hole at an axial end portion thereof;
a bearing supporting said heating roller at an outer surface of said heating roller;
a heat insulating bush fitted between an outer surface of said heating roller and said bearing;
a retaining ring configured to retain a position of said heat insulating bush relative to said heating roller in an axial direction of said heating roller, said retaining ring including a projecting portion configured to engage with said hole;
an annular spacer provided at a position between said retaining ring and said heat insulating bush,
wherein said spacer includes a connecting portion having a connecting hole, said retaining ring includes a hooking portion configured to engage with said connecting hole.

3 more elements

Dependencies are inferred from the claim text.

Image heating apparatus

Life of this patent

Image heating apparatus

Life of this patent

Abstract

Claims11