Patent ID: 7769331

Claim:
A fuser assembly for an electrophotographic device, comprising: a casing; a deformable tubular roller disposed in said casing; a heat-conductive pressing member disposed in said tubular roller, and inducing a tubular part that has a flat surface and opposing open ends; a pressing roller disposed in said casing and in contiguous contact with said tubular roller; a heater disposed in said tubular part of said pressing member; and a roller support including: first and second support members disposed in spaced relationship one from the other, each of said first and second support members being mounted movably on said casing, said tubular roller having a pair of opposing open end portions, each of said end portions being sleeved rotatably on a respective one of said first and second support members and defines an opening, said tubular part of said pressing member having front and rear ends, and extending through said opening defined by each of said open end portions of said tubular roller, said pressing member further including a pair of wing portions that extend outwardly and respectively from said front and rear ends of said tubular part thereof and engage said first and second support members on opposing sides thereof, and a biasing unit for biasing said tubular roller against said pressing roller, said tubular roller being biased against said flat surface of said tubular part of said pressing member, said biasing unit including first and second abutting members, said first and second abutting members being disposed on said casing, a first biasing member being disposed between said first support member and said first abutting member, and a second biasing member being disposed between said second support member and said second abutting member; wherein said casing has a pair of opposing end walls, end wall having in respective engaging member disposed thereon; and said heater having opposing ends releasably engaged with a corresponding one of said engaging members, whereby said heater is replaceable independently of said pressing member and said tubular roller.