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US 2018/0154704 A1Published application
Stud Pin and Pneumatic Tire
AssigneeThe Yokohama Rubber Co., Ltd.
InventorKenichi Matsumoto
Life of this patent
Estimating the term…
Abstract
A stud pin and a pneumatic tire are provided. A tip portion of the stud pin includes an end surface with a concave polygonal profile shape including one recessed portion and one protrusion portion on a side opposite the recessed portion. The stud pin is mounted in a stud pin installation hole with the protrusion portion facing a leading side in a tire circumferential direction and the recessed portion face a trailing side.
Claims16
A stud pin mountable in a stud pin installation hole of a tread portion of a pneumatic tire, the stud pin comprising:
- a buried base portion configured to be embedded in the stud pin installation hole that extends in a tire radial direction;
- and
- a tip portion configured to project from a road contact surface of the tread portion when the buried base portion is embedded in the stud pin installation hole,
- the tip portion comprising an end surface with a concave polygonal profile shape comprising one first recessed portion and one first protrusion portion on a side opposite the first recessed portion;
- and
- the first protrusion portion being configured to face a leading side in a tire circumferential direction and the first recessed portion being configured to face a trailing side when the stud pin is mounted in the stud pin installation hole.
3 more elements
A pneumatic tire with a designated rotation direction, comprising:
- a stud pin mounted in a stud pin installation hole of a tread portion;
- the stud pin comprising:
- a buried base portion embedded in the stud pin installation hole that extends in a tire radial direction;
- and
- a tip portion that projects from a road contact surface of the tread portion when the buried base portion is embedded in the stud pin installation hole,
- the tip portion comprising an end surface with a concave polygonal profile shape comprising one first recessed portion and one first protrusion portion on a side opposite the first recessed portion;
- and
- the stud pin being disposed with the first protrusion portion facing a leading side in a tire circumferential direction and the first recessed portion facing a trailing side.
5 more elements
Dependencies are inferred from the claim text.