The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 31, 2024
Filed:
Mar. 18, 2020
Bridgestone Corporation, Tokyo, JP;
Kohei Sahashi, Tokyo, JP;
Shungo Fujita, Tokyo, JP;
BRIDGESTONE CORPORATION, Tokyo, JP;
Abstract
In a tire, a plurality of outer resonators () are formed in an outer land portion () partitioned by two outer main grooves () and arranged in a tire circumferential direction, a plurality of inner resonators () are formed in an inner land portion () partitioned by two inner main grooves () and arranged in the tire circumferential direction, the outer resonator includes a first vertical groove () which extend in the tire circumferential direction, and a first branch groove () and a second branch groove () which have an inner volume smaller than that of the first vertical groove, extend in the tire width direction from both end portions of the first vertical groove in the tire circumferential direction such that the first branch groove and the second branch groove extend in directions opposite to each other, and are respectively opened to the two outer main grooves, and the inner resonator includes a second vertical groove () which extends in the tire circumferential direction, and a third branch groove () and a fourth branch groove () which have an inner volume smaller than that of the second vertical groove, extend in the tire width direction from the second vertical groove such that the third branch groove and the fourth branch groove extend in directions opposite to each other, and are respectively opened to the two inner main grooves.