US 11,701,925 B2
Stabilizer structure for a tread of a tire
Ashley Amanda Jones, Akron, OH (US); John Stephen Guilford, Seville, OH (US); and Derek John Becker, Monroe Falls, OH (US)
Assigned to The Goodyear Tire & Rubber Company, Akron, OH (US)
Filed by The Goodyear Tire & Rubber Company, Akron, OH (US)
Filed on Dec. 1, 2017, as Appl. No. 15/828,541.
Prior Publication US 2019/0168546 A1, Jun. 6, 2019
Int. Cl. B60C 11/00 (2006.01); B60C 11/12 (2006.01); B60C 11/04 (2006.01); B60C 11/03 (2006.01)
CPC B60C 11/1218 (2013.01) [B60C 11/0323 (2013.01); B60C 11/042 (2013.01); B60C 11/125 (2013.01); B60C 2011/1213 (2013.01); B60C 2200/06 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A tire comprising:
a main tread portion having a stabilizing circumferential groove located between a first and second rib;
the stabilizing circumferential groove having a cross section with a first and second slanted sidewall joined together with a bottom surface, the stabilizing circumferential groove further including a stabilizing structure for increasing tread stiffness, the stabilizing structure having a sub-groove located radially inward of the bottom surface, wherein the sub-groove extends circumferentially in a wavy pattern,
the sub-groove having a first sidewall and a second sidewall interconnected by a curved surface forming a radially innermost bottom of the subgroove.