Back-up roller with reduced mass
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United States of America Patent
Stats
-
Dec 4, 2001
Grant Date -
Dec 6, 2001
app pub date -
Jan 26, 2000
filing date -
Jan 26, 2000
priority date (Note) -
Granted
status (Latency Note)
Importance
Abstract
A back-up roller for use in the fusing portion of an electrophotographic process is disclosed. This back-up roller comprises an inner cylindrical metal core, an outer hollow cylindrical metal shell surrounding the core, and a plurality of metal ribs running lengthwise between and attached to the core and the shell. The outer surface of the shell is coated with a layer of a rubberized material. This back-up roller, when used in the fuser portion of an electrophotographic process, reducing the condensation of moisture on its surface, thereby effectively eliminating fuser stalls.
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