Tire/wheel assembly and run-flat support member

Details Tire/wheel assembly and run-flat support member Tire/wheel assembly and run-flat support member

2005-06-07

2005-06-07

Johnstone, Adrienne C. (Department: 1733)

Resilient tires and wheels

Tires, resilient

Cushion and pneumatic combined

C152S158000, C152S520000

Reexamination Certificate

active

06901980

ABSTRACT:
Disclosed are a tire/wheel assembly and a run-flat support member which are designed to be lightened without losing durability during run-flat traveling. The tire/wheel assembly is constituted as follows: a pneumatic tire is fit to a wheel rim; and the run-flat support member constituted of a circular shell and elastic rings is inserted into a cavity of the pneumatic tire. The circular shell has a support surface thereof extended toward the periphery of the pneumatic tire and leg portions along each side of the support surface. The elastic rings support the leg portions of the circular shell on the rim. In the tire/wheel assembly, contact portions and noncontact portions for the circular shell are alternately formed on the elastic rings in a shell circumferential direction.

REFERENCES:
patent: 2004/0025994 (2004-02-01), Seko et al.
patent: 10-297226 (1998-11-01), None
patent: 2001-163020 (2001-06-01), None
patent: 2001-519279 (2001-10-01), None

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