A bicycle crankset, which is adapted to connect to a chain (30), includes a chainring (10), a spider (20), and a crankarm (50). The chainring (10) has teeth (14) on an edge (12) thereof to engage the chain (30) and a chainring axis (60) through a center thereof. The spider (20) has spider arms (22) to detachably connect to the chainring (10) and a connecting bore (40). The spider has a bore axis (62) through a center of the connecting bore (40), and the bore axis (62) is kept a predetermined distance away from the chainring axis (60) to form a deviation. The crankarm (50) has a connecting member (54) to engage the connecting bore (40) of the spider (20). Tips of the teeth (14) of the chainring move (10) in a noncircular path when the crankarm (50) is exerted to drive the chainring (10) to turn, and the noncircular path is adjustable by shifting a location of the connecting bore (40) which changes the deviation.


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    Titel :

    BICYCLE CRANKSET


    Weitere Titelangaben:

    FAHRRADKURBELSATZ
    PÉDALIER DE BICYCLETTE


    Beteiligte:
    CHEN PO-CHENG (Autor:in)

    Erscheinungsdatum :

    2020-01-08


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

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



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