Pneumatic tire
AssigneeThe Yokohama Rubber Co., Ltd.
InventorsHiraku Kouda, Takayuki Shiraishi, Tatsuro Shinzawa, Takanori Uemura
Life of this patent
Estimating the term…
Abstract
A pneumatic tire is provided. A rib includes a lug groove that opens at a first end portion to one of the main grooves and terminates at a second end portion within the rib, a first sipe that opens at a first end portion to the one of the main grooves the lug groove opens to and opens at a second end portion to the lug groove, and a second sipe that opens at a first end portion to another main groove located on the opposite side of the one of the main grooves the lug groove opens to and opens at a second end portion to the lug groove; and the first sipe and the second sipe each include a chamfered portion on the edge on the leading side or the edge on the trailing side.
Claims19
A pneumatic tire, comprising:
- in a tread portion, main grooves extending in a tire circumferential direction;
- and
- a rib defined by the main grooves;
- the rib comprising
- a lug groove that opens at a first end portion to one of the main grooves and terminates at a second end portion within the rib,
- a first sipe that opens at a first end portion to the one of the main grooves the lug groove opens to and opens at a second end portion to the lug groove, and
- a second sipe that opens at a first end portion to another main groove located on an opposite side of the one of the main grooves the lug groove opens to and opens at a second end portion to the lug groove;
- the first sipe and the second sipe each comprising a chamfered portion on only one of an edge on a leading side or an edge on a trailing side;
- a third sipe not comprising a chamfered portion disposed on an extension line of each of the first sipe and the second sipe, the third sipe being discontinuous from each of the first sipe and the second sipe and being arranged alternatingly in the tire circumferential direction with each of the first sipe and the second sipe.
The pneumatic tire according to 7, wherein the lug groove comprises a bent portion.
Dependencies are inferred from the claim text.