Tire
AssigneeThe Yokohama Rubber Co., Ltd.
InventorKento Ishizu
Life of this patent
Estimating the term…
Abstract
Provided in a tire are a second land portion defined by a shoulder main groove and a center main groove extending in a circumferential direction, and sets of first and second lug grooves that extend in the second land portion in a width direction and are disposed alternately in the circumferential direction. The first lug groove opens to the shoulder main groove and terminates inside the second land portion in which the groove width on one end side is formed wider than the groove width on the other end side, and the second lug groove opens to the center main groove and terminates inside the second land portion in which the groove width on one end side is formed narrower than the groove width on the other end side and the one end side of the second lug groove that is formed narrower is closed at ground contact.
Claims19
A tire, comprising:
- two circumferential main grooves that extend in a tire circumferential direction;
- a land portion defined by the circumferential main grooves, the land portion being continuous in the tire circumferential direction and the land portion being continuous in a tire width direction between the circumferential main grooves;
- and
- a plurality of sets of a first lug groove and a second lug groove that extend in a direction intersecting the circumferential main grooves in the land portion and are alternately disposed in the tire circumferential direction,
- the first lug groove comprising one end that opens to one of the circumferential main grooves and an other end that terminates inside the land portion, a groove width on a side of the one end being formed wider than a groove width on a side of the other end,
- the second lug groove comprising one end that opens to an other one of the circumferential main grooves and an other end that terminates inside the land portion, a groove width on a side of the one end being formed narrower than a groove width on a side of the other end, and the side of the one end of the second lug groove that is formed narrower being closed at ground contact, and
- the first lug groove and the second lug groove each have a groove width of greater than 1.0 mm at a groove depth of 3.0 mm or more.
A tire, comprising:
- two circumferential main grooves that extend in a tire circumferential direction;
- a land portion defined by the circumferential main grooves, the land portion being continuous in the tire circumferential direction and the land portion being continuous in a tire width direction between the circumferential main grooves;
- and a plurality of sets of a first lug groove and a second lug groove that extend in a direction intersecting the circumferential main grooves in the land portion and are alternately disposed in the tire circumferential direction, the first lug groove comprising one end that opens to one of the circumferential main grooves and an other end that terminates inside the land portion, a groove width on a side of the one end being formed wider than a groove width on a side of the other end, and the second lug groove comprising one end that opens to an other one of the circumferential main grooves and an other end that terminates inside the land portion, a groove width on a side of the one end being formed narrower than a groove width on a side of the other end, and the side of the one end of the second lug groove that is formed narrower being closed at ground contact, wherein the first lug groove and the second lug groove each comprise a groove width change portion in which a groove width changes, and each groove width change portion is provided in a region in which the first lug groove and the second lug groove overlap in the tire width direction, and the first lug groove and the second lug groove each have a groove width of greater than 1.0 mm at a groove depth of 3.0 mm or more.
Dependencies are inferred from the claim text.