Resilient tires and wheels – Tires – resilient – Pneumatic tire or inner tube
Patent
1978-12-11
1980-05-20
Kittle, John E.
Resilient tires and wheels
Tires, resilient
Pneumatic tire or inner tube
152352A, 152353R, 152375, 152386, 156123A, 301 39T, 301 97, B60C 1700
Patent
active
042034817
ABSTRACT:
This disclosure relates to a tire, a rim and a combination thereof that yields improved stability characteristics when the tire is run flat. The combination of this invention yields a structure wherein the tire will operate normally under normal conditions of load and pressure and will operate with the load equally distributed on each sidewall of the tire during run flat operation. In this invention, the tire has an asymmetric sidewall construction resulting from the inclusion of rubber inserts in its sidewalls of different bulk and the rim has axially outward extending rim flange extensions which are angled in relation to the axis of rotation of the rim. The extensions are angled in opposite directions. The proper combination of these features compensates for the camber that the tire is subjected to when it is run flat.
REFERENCES:
patent: 1128455 (1915-02-01), Keith
patent: 1253856 (1918-01-01), Marquette
patent: 2367825 (1945-01-01), Shaw
patent: 2482221 (1949-09-01), Sokolik
patent: 3765468 (1973-10-01), Verdier
patent: 3851691 (1974-12-01), French
patent: 3911987 (1975-10-01), Takusagawa
patent: 3916968 (1975-11-01), Masson
patent: 3930527 (1976-01-01), French
patent: 3949798 (1976-04-01), Gardner
patent: 3954131 (1976-05-01), Hoshino et al.
patent: 3983919 (1976-10-01), Messerly
Kittle John E.
The Firestone Tire & Rubber & Company
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