Patent ID: 7383008
Filing Date: 2008-06-03
Classification: G03G

Abstract:
1. A device for fixing a toner image on a recording medium, comprising: a first roller, comprising: a heat source; a rotatable, cylindrical first core member; a first elastic member, rotatable together with the first core member; a first rubber layer, secured to an outer periphery of the first core member; and a second roller, comprising: a rotatable, cylindrical second core member; a second elastic member, rotatable together with the second core member; and a second rubber layer, secured to an outer periphery of the second core member, and brought into contact with the first rubber layer to form a nip portion therebetween through which the recording medium is passed, and such that one of the first roller and the second roller is rotated by the rotation of the other; wherein the first elastic member and the second elastic member are brought into contact with each other at a position other than the nip portion; the first elastic member has a hardness which is lower than a hardness of the first rubber layer; and the second elastic member has a hardness which is lower than a hardness of the second rubber layer.