To prevent a deterioration of the efficiency of driving a front sprocket and a rear sprocket of a bicycle and prevent loosening of a bicycle chain.SOLUTION: A bicycle chain has a plurality of inner link plates, a plurality of outer link plates, and a plurality of pins. The plurality of pins each have, on the whole or part of its outer peripheral surface, a pin cured layer containing at least one of Cr carbide, Ti carbide, V carbide, Nb carbide, Cr nitride, Ti nitride, V nitride and Nb nitride.SELECTED DRAWING: Figure 1

    【課題】自転車のフロントスプロケットとリアスプロケットとを駆動する効率の低下や、自転車用チェーンにおける弛みの発生を抑制すること。【解決手段】複数のインナーリンクプレートと、複数のアウターリンクプレートと、複数のピンとを有する自転車用チェーンであって、前記複数のピンは、外周面の一部または全部に、Cr炭化物、Ti炭化物、V炭化物、Nb炭化物、Cr窒化物、Ti窒化物、V窒化物及びNb窒化物のいずれか1つを含むピン硬化層を有するものを含むこと。【選択図】図1


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    Title :

    BICYCLE CHAIN


    Additional title:

    自転車用チェーン


    Contributors:

    Publication date :

    2021-02-15


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B62M RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES , Antrieb von Radfahrzeugen oder Schlitten durch den Fahrer / F16G Riemen, Kabel oder Seile, vorwiegend für Antriebszwecke , BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES



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