Resilient tires and wheels – Spring wheels – Deformable ground engaging part
Reexamination Certificate
2007-04-10
2007-04-10
Stormer, Russell D. (Department: 3617)
Resilient tires and wheels
Spring wheels
Deformable ground engaging part
C152S011000, C152S246000, C152S270000
Reexamination Certificate
active
10782999
ABSTRACT:
A structurally supported tire includes a ground contacting tread portion, a reinforced annular band disposed radially inward of the tread portion, and a plurality of web spokes extending transversely across and radially inward from the reinforced annular band and anchored in a wheel or hub. The reinforced annular band comprises an elastomeric shear layer, at least a first membrane adhered to the radially inward extent of the elastomeric shear layer and at least a second membrane adhered to the radially outward extent of the elastomeric shear layer. Each of the membranes has a longitudinal tensile modulus sufficiently greater than the shear modulus of the shear layer so that when under load the ground contacting portion of the tire deforms to a flat contact region through shear strain in the shear layer while maintaining constant the length of the membranes, the web spokes transmitting load forces between the annular band and the hub through tension in the web spokes not connected to the ground contacting portion of the tire.
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Cron Steven M.
DeMino Kenneth W.
Rhyne Timothy B.
Thompson Ronald H.
Arnold Adam
Campigot Frank J.
Michelin & Recherche et Technique S.A.
Remick E. Martin
Stormer Russell D.
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