STUD PIN AND PNEUMATIC TIRE Russian patent published in 2020 - IPC B60C11/16 

FIELD: automotive industry.

SUBSTANCE: stud pin includes a vertex, including an end surface of the vertex, made with possibility of contact with the road surface, and a rod part, which supports vertex and passes in one direction. Rod part includes an upper flange, located on the rod end first end, wherein the apex is attached to the upper flange, and lower flange located on side opposite to upper flange of rod part. Upper end surface of upper flange, from which the apex protrudes, includes recessed surface, wherein recessed surface includes a smooth inclined surface, Deepening is curvilinear or rectilinear to bottom flange when moving to protruding part of vertex base.

EFFECT: technical result is reduction of amount of ice crumbs adhering to stud pins, and improved performance characteristics on ice.

11 cl, 7 dwg, 2 tbl