PROBLEM TO BE SOLVED: To eliminate removal of a chain, improve safety at the time of riding bicycle, eliminate stain at a hand at the time of re-starts, eliminate time loss and further eliminate repairing work of unskillful person for a machine dependent on anther person such as activity of bringing-in of the bicycle to a repairing shop or a sales shop and the like.SOLUTION: A removal prevention plate is installed between a gear 3 and a bicycle body [frame]. The removal prevention plate is fitted to a rear part shaft 4 of the bicycle or fixed to a gear main body with a screw or adhered with adhesive, held to a bicycle body (frame) while being held through a fixing member and fixed there.SELECTED DRAWING: Figure 3

    【課題】チェーン外れを無くして、走行時の安全性を向上させるとともに、復旧時の手の汚れ、時間の無駄を無くし、また機械のメンテナンスの不得手な人は修理店や販売店に持ち込む等、人に頼っていた修理を不要とする。【解決手段】歯車(ギヤ)3と車体(フレーム)の間に外れ防止板を装着する。外れ防止板は、自転車の後部車軸4に嵌めこんだり、ギヤ本体にネジ止めまたは接着したり、車体(フレーム)に取付部材を介して挟んで取り付けるなどして固定する。【選択図】図3


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    Title :

    CHAIN REMOVAL PROTECTION PLATE AT REAR SHAFT OF BICYCLE


    Additional title:

    自転車の後ろ軸部のチェーン外れ防板


    Contributors:

    Publication date :

    2017-07-27


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    F16H Getriebe , GEARING / B62M RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES , Antrieb von Radfahrzeugen oder Schlitten durch den Fahrer



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