Agricultural tire and tread lug therefor

Details Agricultural tire and tread lug therefor Agricultural tire and tread lug therefor

1989-10-11

1991-04-30

Ball, Michael W.

Resilient tires and wheels

Tires, resilient

Anti-skid devices

152209R, B60C 1103

Patent

active

050109359

ABSTRACT:
A pneumatic tire for agricultural use has a tread including an inner tread surface and a plurality of spaced tread lugs (170). The tread lug (170) for use with off-the-road or agricultural, has at least one sidewall in cross-section having two different angular inclinations. The sidewall has a first straight portion (202) which extends radially inwardly from an edge (204) of the ground engaging surface (200) of the lug (170) at a first angular inclination (b) with respect to the radial direction. A second straight portion (208) extends radially inwardly at a second angular inclination (c) with respect to the radial direction, while a first concaved curved portion (212) extends from the first straight portion (202) to the second straight portion (208). A second concaved curved portion (214) then extends radially inwardly from the second straight portion (208) to an inner tread surface (151).

REFERENCES:
patent: 2611411 (1952-09-01), Rawls
patent: 3844326 (1974-10-01), Verdier
patent: 4186788 (1980-02-01), Pommier
patent: 4289183 (1981-09-01), Abe et al.
patent: 4446901 (1984-05-01), Endo et al.
patent: 4611647 (1986-09-01), Rimondi
patent: 4703788 (1987-11-01), Kusube et al.

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