Resilient tires and wheels – Tires – resilient – Cushion and pneumatic combined
Reexamination Certificate
2011-08-09
2011-08-09
Fischer, Justin (Department: 1747)
Resilient tires and wheels
Tires, resilient
Cushion and pneumatic combined
C152S157000, C152S158000, C152S450000, C152S510000
Reexamination Certificate
active
07992605
ABSTRACT:
A tire assembly inserted in a conventional pneumatic tire that allows the driven vehicle to be operated in a normal operating condition as well as in both a low tire pressure and a “run flat” condition. The tire embodies a multifunctional tire support device that permits the tire even when punctured to continue to support the vehicle and never allows the tire to go entirely flat. The support device when installed reinforces the tire tread and its side walls by applying internal pressure against them should they collapse when tire is punctured. The invention embodies a means for supporting the tire with the multifunctional device and provides an additional embodiment that uses the same device with a backup redundant inner tube to provide support to the punctured or ruptured tire and permits it to be operated in a run flat condition. The inner tube is located in the assembly at a distance away from the tread so that any puncture of the tread would not also puncture the inner tube. This provides safety and security for the vehicle operating with this assembly installed in a conventional tire and a standard tire wheel rim.
REFERENCES:
patent: 1085010 (1914-01-01), Bennett
patent: 1401610 (1921-12-01), Kuhn
patent: 1408644 (1922-03-01), Schuler
patent: 1546043 (1925-07-01), McGarvey
patent: 1841773 (1932-01-01), Worsley et al.
patent: 2242788 (1941-05-01), Marks
patent: 2482221 (1949-09-01), Sokolik
patent: 3451457 (1969-06-01), Leyer
patent: 63-11402 (1988-01-01), None
patent: WO 2005/047025 (2005-05-01), None
Machine translation of JP 63-11402, Suzuki, H., Jan. 1988.
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