Patent · US Active

Tire tread having developing grooves

US9278582B2 · kind B2 · utility

13Cited by

94References

20Claims

0Family size

Assignee

Bridgestone Americas Tire Operations, LLC · US

Inventor

Jon I. Stuckey · Akron, US

Key dates

Filing date	Dec 21, 2010
Grant date	Mar 8, 2016
Priority date	—
Expiry date	Apr 11, 2034

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB60C2011/1338
WIPO fieldTransport
WIPO sectorMechanical engineering

Abstract

A tire having a tread comprising two shoulder ribs and at least one main rib, wherein the two shoulder ribs and the at least one main rib form at least two shoulder grooves. The two shoulder grooves each have a plurality of inboard walls and a plurality of outboard walls, each disposed at a substantially constant angle from a base of the shoulder groove to a shoulder rib surface. Further, the plurality of inboard walls includes a first set of walls disposed at a first angle from the base of the shoulder groove to a main rib surface and a second set of walls disposed at a second angle from the base of the shoulder groove to the main rib surface.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.