Heavy duty tire

摘要

An off the road tire comprising a carcass, a tread located radially outward of the carcass, the tread having a plurality of lugs, the lugs extending radially outward from an inner tread and being located between first and second lateral tread edges, a first row of lugs extending from the tread lateral edge axially inwards toward the centerplane, a second row of lugs extending from the opposite tread lateral edge and axially inwards toward the centerplane and wherein the lugs of the first and second rows are separated by a plurality of shoulder grooves, a third row of lugs located between the first and second row of lugs, wherein all of the lugs in each row are aligned circumferentially, wherein the lugs in the third row have two or more ends formed by grooves.

主权项

1. An off the road tire comprising a carcass, a tread located radially outward of the carcass, the tread having a plurality of lugs, the lugs extending radially outward from an inner tread and being located between first and second lateral tread edges, a first row of lugs extending from a first tread lateral edge axially inwards toward the centerplane, a second row of lugs extending from the opposite tread lateral edge and axially inwards toward the centerplane and wherein the lugs of the first and second rows are separated by a plurality of angled shoulder grooves, wherein an angle of each of the shoulder grooves is in the range of 40 to 50 degrees from the axial direction, wherein a third row of lugs is located between the first and second row of lugs, wherein each shoulder groove terminates in an ending positioned within a third row lug, wherein all of the lugs in each row are aligned circumferentially, wherein the lugs in the third row have a first and second opposed zigzag groove, wherein the first and second opposed zigzag grooves each have a portion extending in the circumferential direction, wherein said portions are not circumferentially aligned with respect to each other.