Patent ID: 9261833
Filing Date: 2016-02-16
CPC Classification: G03G

Claim Text:
1. A fuser assembly for an imaging device, comprising: a heat transfer member for generating heat; a backup roll coupled to the heat transfer member and rotatable therewith, comprising a central core and a rubber layer surrounding the central core; and a plurality of end cap members, each end cap member being disposed at an end of the backup roll and dimensioned for substantially preventing outward expansion of the rubber layer in an axial direction of the backup roll; wherein the backup roll includes a shaft about which the backup roll rotates, and each end cap member is attached to the shaft so as to rotate therewith, and wherein each end cap member includes a metal portion connecting to the shaft of the backup roll, and a rubber portion disposed between the metal portion and the backup roll and having at least one surface contacting the rubber layer of the backup roll.