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US 10,850,567 B2Granted
Tire
AssigneeBridgestone Corporation
InventorMasafumi Ito
Life of this patent
Estimating the term…
Abstract
This tire improves high traction performance over an extended period of time and/or improves control performance while maintaining traction performance. This tire includes a tread with blocks formed thereon, protrusions (11, 21, 31) extending outward in the tire radial direction and formed on more than one of the blocks, and stepped portions (12, 22) and/or a second concavity (24) formed on a side of the protrusions (11, 21, 31).
Claims9
A tire comprising:
- a tread with a plurality of blocks formed thereon;
- a protrusion extending outward in a tire radial direction and formed on more than one block among the plurality of blocks;
- a stepped portion formed on a side of the protrusion;
- a first concavity formed around the stepped portion;
- and
- a block peripheral portion formed around the first concavity,
- wherein in plan view of the tread, a perimeter of a tread surface of the protrusion is shaped as a polygon having at least one side extending in a tire width direction and one side extending in a tire circumferential direction, and
- wherein the height of the stepped portion is equal or greater than the height of the block peripheral portion.
5 more elements
Dependencies are inferred from the claim text.