Appeal No. 2000-1492
Application No. 09/255,276
known chucks. Certainly, nothing in Kewin would have
suggested such a modification. Instead, Kewin suggests just
the opposite, namely, that the inner annular surface of the
end member should be provided with notches to make the end
member compatible with a variety of different types of chucks
(see column 1, lines 52-62). As to Bushell, we have carefully
reviewed this reference and conclude that there is no teaching
therein that would justify modifying the chuck receiving inner
annular surface of Kewin in the manner proposed by the
examiner. In this regard, while Bushell certainly discloses
an end cap having a continuous, constant radius inner annular
surface, Bushell provides no cogent reason for providing this
feature in Kewin’s end member. In this regard, Bushell’s end
member is not used in conjunction with a chuck (i.e., a clamp 2
member capable of transmitted torque), but rather in
conjunction with a mandrel, which we understand as not3
2The noun “chuck” denotes “[a] clamp that holds a tool or
material being worked in a machine such as a lathe.”
Webster’s III New Riverside University Dictionary, Riverside
Publishing Company, copyright © 1984 by Houghton Mifflin
Company.
3The noun “mandrel” denotes “[a] spindle or axle for
securing or supporting material being machined.” Webster’s
5
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