Appeal No. 2006-2406 Παγε 9
Application No. 10/745,113
injection molded, high impact plastic (col. 3, lines 66 and 67
and col. 7, lines 21-24). Bi-symmetrical housing 112 can be
designed to provide mounting points for the internal components
while at the same time provide areas of increased strength where
needed to accommodate bending moments and internal stresses (col.
7, lines 33-36). It is further disclosed that the pulley covers
protect the pulleys and the guide bearings from direct impact
(col. 10, lines 56-58). From the disclosure of Dean, we find
that the high impact material provides increased strength where
needed to accommodate bending moments and internal stresses and
protect the pulleys and the guide bearings from direct impact.
However, we find no reference to protection from dropping the saw
or placing it on the ground, as asserted by Appellants (answer,
pages 3 and 4). Turning to Bennett, we find that the reference,
like Dean, is directed to a portable saw with a continuous loop
blade (page 1, lines 6, 7 and 67. Bennett additionally discloses
(page 1, lines 92-95) that “I also provide a suitable eye or hook
20 at the end of the frame opposite the handle for hanging the
saw up when not in use.” From the disclosure of Bennett that a
portable, motor powered band saw have a hook for hanging up the
saw when not in use, we find that an artisan would have been
motivated to place a hook on other portable motor-driven band
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