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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    Titel :

    Locking and unlocking device of foldable joint


    Beteiligte:
    ZHU ZIYI (Autor:in)

    Erscheinungsdatum :

    2015-09-16


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B62K Fahrräder , CYCLES



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