发明名称 Pneumatic Tire
摘要 A pneumatic tire includes a tread portion that includes three main grooves extending in the tire circumferential direction, and four rows of land portions defined by each of the main grooves, wherein, in each of two rows of center land portions located on a tire equator side, one narrow groove extending in the tire circumferential direction and a plurality of inclined grooves extending from the narrow groove towards the outer side in the tire width direction are provided, in each of the two rows of shoulder land portions located on shoulder sides, a plurality of lug grooves extending in tire width direction and not connecting to the main grooves is provided, and a distance on the vehicle outer side and a distance on the vehicle inner side from groove edges on shoulder land portion sides of side main grooves to the tire equator are equal.
申请公布号 US2015210122(A1) 申请公布日期 2015.07.30
申请号 US201414433037 申请日期 2014.04.07
申请人 The Yokohama Rubber Co., LTD 发明人 Shimizu Tsuyoto
分类号 B60C11/04;B60C11/12;B60C5/00;B60C11/13 主分类号 B60C11/04
代理机构 代理人
主权项 1. A pneumatic tire having a vehicle inner/outer orientation designated when mounted on a vehicle, the pneumatic tire comprising a tread portion; the tread portion including: three main grooves extending in a tire circumferential direction; and four rows of land portions defined by each of the main grooves; one narrow groove and a plurality of inclined grooves being provided in each of two rows of center land portions located on a tire equator side of the tread portion, the one narrow groove extending in the tire circumferential direction, the plurality of inclined grooves extending from the narrow groove towards an outer side in a tire width direction; a plurality of lug grooves being provided in each of two rows of shoulder land portions located on an outer side in the tire width direction of the tread portion, the plurality of lug grooves extending in the tire width direction and not connecting to the main grooves, a distance Do on a vehicle outer side and a distance Di on a vehicle inner side from groove edges on shoulder land portion sides of side main grooves located on the outer side in the tire width direction of the main grooves to the tire equator being equal, a center position of a center main groove of the main grooves being located in a position shifted away from the tire equator to the vehicle inner side, and a length of shift d from the center position of the center main groove to the tire equator being in the range of 5% to 100%, both inclusive, of a width L of the center main groove; and a width Wo of the center land portion on the vehicle outer side being greater than a width Wi of the center land portion on the vehicle inner side.
地址 Minato-ku, Tokyo JP