| 摘要 |
PROBLEM TO BE SOLVED: To maintain attachment of a stud pin to a tire in a stable state without rotation.SOLUTION: A stud pin 6 is attached to a pin hole 5 formed on a tread surface. The stud pin 6 comprises a trunk 7 and a flange part 9 formed on one end side of the trunk 7. The flange part 9 includes plural projections 14 in a discontinuous state in a peripheral direction on an annular upper face 13 on the trunk side. The projections 14 are formed of plural kinds of projections having non-overlapping areas in which when the projections are projected in the peripheral direction, they are not overlapped each other.SELECTED DRAWING: Figure 2 |
