STUD PIN AND PNEUMATIC TIRE Russian patent published in 2017 - IPC B60C11/16 

FIELD: automotive engineering.

SUBSTANCE: stud pin, designed to be installed in the mounting hole at the pneumatic tire tread section, comprises: the recessed base section, extending in the direction of travel and fixing the stud pin in the tread section, clamping by the lateral surface of the mounting hole for the stud pin; the top section, connected to the end section of the recessed base section in the direction of travel, protruding beyond the tread section and coming into contact with the road surface, at that the top section have the top tip surface perpendicular to the recessed base section travel direction; and the section, connecting the top section with the recessed base section and having the cross-sectional area in the plane perpendicular to the recessed base section travel direction, that is larger than the area of the top tip surface, at that the top section contains the pair of inclined surfaces, extending from two opposite positions of the top tip surface to the recessed base section.

EFFECT: increase of the stud pin fastening strength in the tire tread, while maintaining the tire traction performance on ice.

25 cl, 11 dwg, 3 tbl