The invention discloses a locking and unlocking device of a foldable joint, which is characterized in that a gear is disposed between a foldable shaft and a foldable shaft sleeve, a hole is disposed in the foldable shaft sleeve in order to let a lock pin equipped with a spring pass through the shaft sleeve and be inserted into teeth of the gear, the lock pin comprises a round concave hole, a rotatable annular sleeve is disposed on the lock pin sleeve, an elastic convex ball corresponding to the concave hole is disposed on the annular sleeve, and a tightness-adjustable bolt is disposed on the spring. By using the locking and unlocking device of the foldable joint provided by the invention, locking and unlocking of the foldable joint can be realized.


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    Title :

    Locking and unlocking device of foldable joint


    Contributors:
    ZHU ZIYI (author)

    Publication date :

    2015-09-16


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B62K Fahrräder , CYCLES



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