Fuser roller with improved crack resistance

Electrophotography – Image formation – Fixing

Reexamination Certificate

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Details

C399S320000

Reexamination Certificate

active

11346778

ABSTRACT:
This is a fuser roll having a driver slot having a large rounded upper portion to reduce cracking caused by drive load stresses. Around the slot is a reinforcing driver yoke to add additional resistance to cracking. Two reinforcing lugs can be used in place of the driver yoke.

REFERENCES:
patent: 4780078 (1988-10-01), Masui
patent: 4952782 (1990-08-01), Yokokawa et al.
patent: 2003/0044204 (2003-03-01), Lee
patent: 63293575 (1988-11-01), None
patent: 09269691 (1997-10-01), None
patent: 09281834 (1997-10-01), None

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