STUD PIN AND STUDDED TIRE Russian patent published in 2019 - IPC B60C11/16 

FIELD: automotive industry.

SUBSTANCE: invention relates to the automotive industry. Stud pin includes a vertex which is made with possibility of contact with the road surface, and a section of the housing provided around the central axis of the stud pin and made with possibility of supporting the top. Body section includes upper flange, lower flange and neck, made with possibility of connection of upper flange and lower flange. Each of upper flange and lower flange includes lateral surface. First side surface of the lower flange includes the first curved surface deepened inwards in relation to the housing section. Second side surface of the upper flange includes the second curved surface protruding to the periphery of the section of the body and a pair of flat surfaces made with possibility of connection of the second curved surface so that the second curved surface is located between them. Section of the recess where the first curved surface is the most depressed, and the section of the crest, where the second curved surface is the most convex, are placed in the position with the same orientation relative to the central axis if viewed from the axial direction.

EFFECT: higher reliability of fixation stud pin in tire.

15 cl, 6 dwg, 2 tbl