Appeal No. 98-1243
Application No. 08/679,939
the damage to the operating mechanism and allows quick repair.
In the rejection directed to claim 10 alone, the examiner
is of the view that the claim is unpatentable over the
teachings of Kraeutler taken in view of those of Mueller, a
conclusion with which we do not agree. Kraeutler is directed
to the problem of preventing wind from blowing around the
track mechanism for a door of the same type as that which is
the subject of the present case. To solve this problem, draft
preventing elements, such as brushes or foam material, are
installed in the tracks in such a fashion as to stop the wind
while not inhibiting the action of the door carriages or
wheels. There is no explicit mention of the problem of high
wind loading or collision by vehicles. It would appear that
in the face of such forces the Kraeutler door would, at best,
flex outwardly to such an extent as to pull the edges of the
door and the carriages from the tracks. This is precisely
what the appellant wishes to avoid.
Like the appellant, Mueller wishes to minimize the damage
to roll-up doors and their operating mechanisms caused by the
impact of machinery. Mueller attaches the door to its
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