Resilient tires and wheels – Spring wheels – Deformable ground engaging part
Reexamination Certificate
2008-09-02
2008-09-02
Stormer, Russell D (Department: 3617)
Resilient tires and wheels
Spring wheels
Deformable ground engaging part
C152S011000, C152S246000, C152S270000
Reexamination Certificate
active
11260640
ABSTRACT:
A structurally supported tire includes an outer annular band, and a plurality of web spokes extending transversely across and radially inward from the annular band and anchored in a wheel or hub. The annular band may further comprise a shear layer, at least a first membrane adhered to the radially inward extent of the shear layer, and at least a second membrane adhered to the radially outward extent of the shear layer. A preferred web spoke has a cutaway section transverse to the annular band. The cutaway section has a profile formed by straight line segments joined by a blending radius. The profile of the cutaway comprises a height and a maximum depth greater than five percent of the height and less than thirty percent of the maximum width. The profile has an angle alpha formed by a line tangent to the profile relative to the horizontal at least equal to ten degrees at the radially outermost and radially innermost extent of said profile. The minimum radius of curvature of the profile is at least equal to twenty percent of the height of the cutaway section.
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Cron Steven M.
Demino Kenneth W.
Pompier Jean-Pierre
Rhyne Timothy B.
Thompson Ronald Hobart
Campigotto Frank J.
Michelin & Recherche et Technique S.A.
Remick E. Martin
Stormer Russell D
Uldrick Carolyn G.
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