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US 10,518,587 B2Granted
Pneumatic tire
AssigneeThe Yokohama Rubber Co., Ltd.
InventorTomohisa Nishino
Life of this patent
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Abstract
A pneumatic tire comprising a plurality of circumferential main grooves, and a land portion defined by a pair of the plurality of circumferential main grooves. The land portion comprises a plurality of first lug grooves, a plurality of second lug grooves that are wider than the first lug grooves, and a plurality of notch portions formed on only the opening portions of the first lug grooves. A groove width Wg1 of the first lug grooves and a groove width Wg2 of the second lug grooves have the relationship 1.0 mm≤Wg2−Wg1≤4.0 mm.
Claims18
A pneumatic tire, comprising:
- a plurality of circumferential main grooves;
- and
- a land portion defined by a pair of the plurality of circumferential main grooves;
- one of the land portion comprising a plurality of first lug grooves, a plurality of second lug grooves wider than the first lug grooves, and a plurality of notch portions formed only on opening portions of the first lug grooves;
- wherein a circumferential length L1 of edge portions of the land portion defined by the first lug grooves and the second lug grooves adjacent to one another and a circumferential length L2 of the notch portions formed on the edge portions have a relationship 0.30≤L2/L1≤0.80.
2 more elements
A pneumatic tire, comprising:
- a plurality of circumferential main grooves;
- and
- a land portion defined by a pair of the plurality of circumferential main grooves;
- one of the land portion comprising a plurality of first lug grooves, a plurality of second lug grooves wider than the first lug grooves, and a plurality of notch portions formed only on opening portions of the first lug grooves;
- wherein the notch portions comprise an edge portion with a V-shape projecting in a tire circumferential direction.
2 more elements
A pneumatic tire, comprising:
- a plurality of circumferential main grooves extending continuously in a tire circumferential direction;
- a first land portion defined by a pair of the plurality of circumferential main grooves;
- and
- second land portions on an other side of the circumferential main grooves from the first land portion;
- the first land portion comprising a plurality of first lug grooves, a plurality of second lug grooves wider than the first lug grooves, and a plurality of notch portions formed only on opening portions of the first lug grooves;
- the second land portions each comprising a pair of lug grooves that incline at different inclination angles, extension lines of groove center lines of the pair of lug grooves meeting at an edge portion of the first land portion;
- and
- the notch portions of the first land portion being formed surrounding the extension lines of the groove center lines of the pair of lug grooves.
5 more elements
Dependencies are inferred from the claim text.