Resilient tires and wheels – Tires – resilient – Anti-skid devices
Patent
1992-03-09
1993-11-09
Ball, Michael W.
Resilient tires and wheels
Tires, resilient
Anti-skid devices
152209R, B60C 1103
Patent
active
052594297
ABSTRACT:
An all terrain vehicle tire has an improved tread including primary lugs arranged in sets equally spaced around the periphery of the tire on each side of the tire centerline with each set including a long lug, at least one intermediate lug and a short lug, with the sets on opposite sides of the centerline being offset substantially one half the pitch of the lug sets, with at least the long and intermediate length lugs each including an elongated central body portion extending at a first acute angle with respect to the centerplane and each of the primary lugs including an inner end directed at a second smaller acute angle relative to the centerplane and an outer end extending over and onto the shoulder of the tire at an obtuse angle with respect to the centerplane. A plurality of secondary lugs in the form of tapered knobs may be located between each of the primary lugs of each set with at least one secondary lug being located on the normal road engaging portion of the tire and at least one secondary lug located on the shoulder portion of the tire.
REFERENCES:
patent: D256008 (1980-07-01), Menin
patent: D308038 (1990-05-01), Guidry
patent: D317187 (1991-05-01), Suzuki
patent: D323135 (1992-01-01), Thomas
patent: 4383567 (1983-05-01), Crum et al.
patent: 4480672 (1984-11-01), Marshall et al.
patent: 4534392 (1985-08-01), Bonko et al.
patent: 4791971 (1988-12-01), Shinn
patent: 4982773 (1991-01-01), Bonko
Dick Cepek Off Road Catalog, 1987, pp. 41-44.
Onza Porcupine, "Mountain Bike Action"; p. 68 Jan. 1990.
Ball Michael W.
Krawczyk Nancy T.
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