To provide a tread variable device that can easily adjust the grip force of a pneumatic tire, a pneumatic tire, and a grip force control method.SOLUTION: A tire 1 has a tread part 2, and a belt part 8 and a band part 9 provided inside the tread part 2. The band part 9 has a full band 9A and a pair of edge bands 9B. The edge band 9B is composed of a fiber actuator 30 that is stretchable in the longitudinal direction by receiving voltage supply.SELECTED DRAWING: Figure 1

    【課題】空気入りタイヤのグリップ力を容易に調整することが可能なトレッド可変装置、空気入りタイヤ、及びグリップ力制御方法を提供する。【解決手段】タイヤ1は、トレッド部2、トレッド部2の内部に設けられたベルト部8及びバンド部9を備える。バンド部9は、フルバンド9Aと、一対のエッジバンド9Bとを有し、エッジバンド9Bは、電圧供給を受けることによって長手方向に伸縮可能な繊維アクチュエータ30によって構成されている。【選択図】図1


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    Title :

    TREAD VARIABLE DEVICE, PNEUMATIC TIRE, AND GRIP FORCE CONTROL METHOD


    Additional title:

    トレッド可変装置、空気入りタイヤ、及びグリップ力制御方法


    Contributors:

    Publication date :

    2021-12-13


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen



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