Electrophotography – Having particular structure – Modular or displaceable
Reexamination Certificate
2007-05-22
2007-05-22
Brase, Sandra L. (Department: 2852)
Electrophotography
Having particular structure
Modular or displaceable
C399S286000
Reexamination Certificate
active
11077438
ABSTRACT:
A replaceable developer roller apparatus is disclosed for a printing device. The apparatus includes a cylindrical developer roller having two opposed ends, and a drive assembly selectively and operatively engageable with one of the opposed ends of the developer roller. The drive assembly includes a shaft having two opposed regions; a gear rotationally fixed to one of the opposed regions of the shaft; and a drive member rotationally fixed to the other of the opposed regions of the shaft, and selectively, axially moveable between an engagement position and a disengagement position. A spindle assembly is engageable with the other of the opposed ends of the developer roller. The spindle assembly includes a spindle assembly shaft and an alignment member rotationally fixed to the spindle assembly shaft.
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International Search Report for Application No. PCT/US2006/008713. Report issued Jul. 18, 2006.
Gilan Ziv
Guzman Marco
Patton M. Derek
Tanner Christopher S.
Brase Sandra L.
Hewlett--Packard Development Company, L.P.
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