B - Operations – Transporting – 60 – C
Patent
B - Operations, Transporting
60
C
B60C 11/16 (2006.01)
Patent
CA 2159864
Many stud devices B are embedded in a tread surface 14a of a peripheral tread 14 of a studless tire 13 spaced at predetermined intervals in order to provide a tire for driving on frozen road surfaces which solves problems involved in using studless tires and dust pollution caused by studded tires. Each stud device B comprises a temperature-sensitive elastic seat 1 which softens/hardens as a temperature rises above/drops below a desired set temperature and which is softer than a material of the tire, a cylindrical slide stud 2 which rests on the temperature- sensitive elastic seat 1, and a cylindrical fixture 3 which covers the temperature-sensitive elastic seat 1 and the base portion of the cylindrical slide stud 2 together while allowing slide movement of the base portion in an axial direction. The cylindrical slide stud 2 are embedded such that tips thereof are capable of projecting from/retracting into the tread surface 14a.
Kudou Tsutom
Smart & Biggar
LandOfFree
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