Appeal No. 2003-1472
Application No. 09/606,955
contemplated by Enders would result in the spindle having a
component of movement in the “cutting direction” of the blade
during the “cutting stroke” in the event the saw blade is
reoriented. Stated differently, it appears to us that in order for
the spindle of Enders to have a component of movement in the
“cutting direction” during the “cutting stroke” upon reorientation
of the saw blade in the reverse direction, the guide channel 35 of
Enders would have to be repositioned such that its upper end is to
the right (as viewed in Figure 3) of its lower end, so that when
the spindle moves in the “cutting direction” (toward the housing),
the front end of the spindle would have a rearward component of
movement. As we see it, the path of travel for the spindle that
would ensue from simply reversing the orientation of the saw blade
in Enders would not result in a saw having the claimed paths of
travel unless the saw of Enders is also modified to provide for a
range of adjustment of the guide channel that is not taught or
suggested by the applied reference, either singly or in
combination. The examiner’s position to the effect that a second
path of travel characterized by movement at least partially in the
second (opposite) cutting direction during the second cutting
stroke would follow as a consequence of applying the saw blade
reorienting teachings of Ketchpel to Enders appears to us to be a
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