Run-flat tire and rim assemblies for ATV

Details Run-flat tire and rim assemblies for ATV Run-flat tire and rim assemblies for ATV

1990-10-17

1993-02-16

Knable, Geoffrey L.

Resilient tires and wheels

Tires, resilient

Pneumatic tire or inner tube

152522, 152544, 152546, 1523793, B60C 15024

Patent

active

051867729

ABSTRACT:
A run-flat tire and rim assembly for All Terrain Vehicles comprising: (A) a run-flat tire having beads with a radially inwardly protruding toe and a bead apex; (B) a rim having bead seats with a circumferentially extending groove with which the toe is engaged; (C) the height of the radially outer end of the bead apex being in a range of 15% to 30% of the tire section height; (D) the thickness of the rubber layer on the outside of a carcass in the tire sidewall regions being at least 10 times the diameter of the carcass ply cord; (E) the above-mentioned thickness decreasing gradually from a maximum tire section width point to the tire shoulder so as to form a weak portion in bending in each shoulder; (F) a circumferentially extending buttress provided in each shoulder; and (G) a hump with a diameter larger than the rim diameter formed axially inward of and adjacent to each bead seat of the rim.

REFERENCES:
patent: 4148348 (1979-04-01), French et al.
patent: 4328851 (1982-05-01), Randle

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