Provided is a triple-linked crank arm that can be used for all types of bicycles and pedaled machines, wherein crank arm links of the crank arm can be fixed in a desired direction which can change over 360 degrees, whereby a bicycle using the crank arm can be easily operated when the crank arm links are connected to have a long length, and the bicycle can be used for physical exercise when the crank arm links are connected to have a short length.

    Cette invention concerne une manivelle à trois branches qui peut être utilisée pour tous les types de bicyclettes et de machines à pédales, les branches de manivelle de la manivelle pouvant être fixées dans une direction souhaitée qui peut changer sur 360 degrés, moyennant quoi une bicyclette utilisant la manivelle peut être facilement actionnée lorsque les branches de manivelle sont reliées de façon à obtenir une grande longueur, et la bicyclette peut être utilisée pour un exercice physique lorsque les branches de manivelle sont reliées de façon à obtenir une petite longueur.

    페달이 있는 모든 기계와 자전거에 모두사용 할 수 있는 삼중연결 구조의 크랭크 암으로 360도 방향으로 원하는 크랭크 암의 방향을 바꿔 고정시킬 수가 있어 길게 연결하면 자전거를 가볍게 사용 할 수 있고 짧게 연결하면 헬스용으로 사용할 수 있습니다.


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    Title :

    TRIPLE-LINKED CRANK ARM INCLUDING BICYCLE PEDAL


    Additional title:

    MANIVELLE À TROIS BRANCHES COMPRENANT UNE PÉDALE DE BICYCLETTE
    자전거 페달을 구비한 삼중연결 구조의 크랭크 암


    Contributors:
    SIM WON BO (author)

    Publication date :

    2020-02-20


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

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



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