Appeal No. 97-2888
Application 08/389,077
extension plate 220 that receives a hex bolt 215 at
one end and an attach-ment post 222 that projects
perpendicularly from the other end of the extension
plate 220. The extension plate 220 is flat and fits
closely with the horizontal lower side rods 110, 112
of the side frame members 102, 104. In order to
loosen and secure the pivoting leg 146, the hex bolt
215 attaches the extension plate 220 of the pivoting
leg 146 to the bottom of the side frame members 102,
104. The hex bolt may be tightened or loosened by a
hex key K.
We can find no specific description of the structure for
changing the position of the pivoting legs relative to first
and second frame members. We do not know whether the means
for changing the position of the pivoting legs relative to
first and
second frame members is the hex bolt 215, the hex bolt and the
attachment plate 220 or includes additional or different
structure. For the additional reason set forth above, we
cannot determine the scope of the invention sought to be
patented by claim 1 and its dependent claim 17 with a
reasonable degree of
certainty. Thus, the scope of claims 1 and 17 is not clearly
defined.
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