PNEUMATIC TIRE
First Claim
1. A pneumatic tire comprising a tread portion provided with a tread pattern wherein a tread half which is one half of the tread pattern on each side of the tire equator Comprises shoulder blocks formed between each tread edge and an axially outermost shoulder circumferential groove adjacent thereto and circumferentially divided by shoulder axial grooves, said tread half is made up of repeat design units arranged circumferentially of the tire wherein the repeat design units are defined by a circumferential-direction line drawn at the tire equator, a circumferential-direction line drawn at said tread edge, and pitch boundary lines drawn perpendicularly to the tire equator, passing through intersecting points of edges of said shoulder axial grooves on one side in a tire circumferential direction with said shoulder circumferential groove, said repeat design units have at least two different circumferential pitch lengths, and said repeat design units are each provided with at least one stud hole for attaching a stud.
1 Assignment
0 Petitions
Accused Products
Abstract
A pneumatic tire provided with a tread pattern, wherein a tread half which is one half of the tread pattern on each side of the tire equator is made up of repeat design units arranged circumferentially of the tire. The repeat design units have at least two different circumferential pitch lengths, and the repeat design units are each provided with at least one stud hole.
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Citations
11 Claims
- 1. A pneumatic tire comprising a tread portion provided with a tread pattern wherein a tread half which is one half of the tread pattern on each side of the tire equator Comprises shoulder blocks formed between each tread edge and an axially outermost shoulder circumferential groove adjacent thereto and circumferentially divided by shoulder axial grooves, said tread half is made up of repeat design units arranged circumferentially of the tire wherein the repeat design units are defined by a circumferential-direction line drawn at the tire equator, a circumferential-direction line drawn at said tread edge, and pitch boundary lines drawn perpendicularly to the tire equator, passing through intersecting points of edges of said shoulder axial grooves on one side in a tire circumferential direction with said shoulder circumferential groove, said repeat design units have at least two different circumferential pitch lengths, and said repeat design units are each provided with at least one stud hole for attaching a stud.
Specification