Pneumatic tire
AssigneeThe Yokohama Rubber Co., Ltd.
InventorReika TOKUNAGA
Life of this patent
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Abstract
In a pneumatic tire, a center land portion includes center lug grooves and center blocks. The center lug grooves penetrate the center land portion. The center blocks are defined by the center lug grooves. A middle land portion includes middle lug grooves, middle blocks, a notch portion, and a middle sipe. The middle lug grooves penetrate the middle land portion. The middle blocks are defined by the middle lug grooves. The notch portion is an edge portion on the center main groove side of each of the middle blocks and formed on an extension line of each of the center lug grooves. The middle sipe extends from the notch portion and opens to an edge portion on the shoulder main groove side of each of the middle blocks.
Claims15
A pneumatic tire, comprising:
- a shoulder main groove and a center main groove disposed in one region demarcated by a tire equatorial plane;
- and
- a shoulder land portion, a middle land portion, and a center land portion defined by the shoulder main groove and the center main groove, the center land portion comprising a plurality of center lug grooves and a plurality of center blocks, the plurality of center lug grooves penetrating the center land portion, the plurality of center blocks being defined by the plurality of center lug grooves, the middle land portion comprising a plurality of middle lug grooves, a plurality of middle blocks, a notch portion, and a middle sipe, the plurality of middle lug grooves penetrating the middle land portion, the plurality of middle blocks being defined by the plurality of middle lug grooves, the notch portion being an edge portion on the center main groove side of each of the plurality of middle blocks and formed on an extension line of each of the plurality of center lug grooves, the middle sipe extending from the notch portion and opening to an edge portion on the shoulder main groove side of each of the plurality of middle blocks.
Dependencies are inferred from the claim text.