Appeal No. 2000-0581
Application No. 08/429,155
includes the tips and claim 28, in reciting an attaching
device and aligning means, implicitly includes the blade or
(2) an aperture, receptacle, recess, clip, screw or cam
disposed on either the blade or tip constitutes an "attachment
means" itself, and an aligning pin, a recess or an abutting
surface disposed on either of the blade or tip constitutes an
"aligning means" itself, without the cooperating structure on
the other of the tip or blade.
Additionally, we note that claim 28 recites an "attaching
device" and a "fastening means" as separate elements. This is
in contrast to, for example, claim 5, which recites the
attaching devices as further including a fastening means. In
this regard, this recitation in claim 28 also appears to be at
odds with page 6 of the specification, which seems to imply
that the fastening means and the threaded receptacle make up
the attaching device (the alternative to the snap-on
arrangement of the first embodiment).
Moreover, the screw 28 or the like, the only "fastening
means" disclosed in the specification, does not appear to be
part of the blade tip as disclosed. Rather, the screw or the
like fastening means appears to be a separate element which
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