Appeal No. 1998-2775
Application 08/574,544
In each of Lewis’ strap assemblies, an arcuate portion
on the lower end of the upper strap E seats on and is
capable of articulating about a generally circular portion
at the upper end of the lower strap F to provide a hinged
joint e as shown in Figures 3 and 4 of Lewis’ drawings. The
arcuate portion on the lower end of the upper strap E lies
circumferentially between two circumferentially opposed,
radially extending shoulders on the circular portion at the
upper end of the lower strap F. The end e’ of the arcuate
portion is described as a stop and is engagable with the
opposing shoulder on the generally circular portion of the
lower strap F to limit clockwise rotation of the upper strap
E to a generally vertical standing position as shown in
Figure 3.
There is no description, however, about the other
circumferential shoulder. In particular, Lewis’
specification lacks a disclosure that the other
circumferential shoulder provides a stop for limiting
counterclockwise rotation of the upper strap E (as viewed
from Figure 3 of Lewis’ drawings) in a kneeling position.
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