20. The “plane of approximate symmetry” is defined on
page 9 of Okajima’s specification as follows:
When the boots are fixed to the snowboard, the plane
of approximate symmetry of each snowboard boot can be
defined as follows. When the insides of both feet are
placed together so as to touch lightly at two points
while standing erect, the plane of approximate symmetry
is the vertical plane that is parallel to the plane
containing these two points, and that contains the back
end point of the heel section, which has an approximately
spherical surface shape.
The prior art
21. DE ‘503 (Okajima exhibit OX2) describes a snowboard
boot with a heel member 13 and a leg member 16 pivotally
connected by 18 at the rear of the boot.
22. The pivot location appears to be along the line of
the longitudinal median plane of the boot and not offset from
the longitudinal median plane.
23. US ‘041 (Okajima exhibit OX3) describes a snowboard
boot with a heel member 16 and a leg member 28 pivotally
connected by 34 at the rear of the boot.
24. The pivot location is along the line of the
longitudinal median plane of the boot and not offset from the
longitudinal median plane.
25. EP ‘400 (Okajima exhibit OX1) describes a ski boot
with a heel member 19 and a leg member 10 pivotally connected
at two locations 13 and 15 on either side of the boot.
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Last modified: November 3, 2007