A stem (10) for a bicycle handlebar having controlled release of the steerability thereof, includes a body (24) intended for receiving a stem arm (12) which in turn receives a handlebar, the stem also including a headset (40), elements (14) for attaching the stem (10) to the fork (16) of a bicycle including a head tube and a locking/unlocking element (18), wherein the locking/unlocking element (18) includes at least one key (56) placed in a cavity (54) arranged in the headset (40), a resilient element (58) for returning the at least one key towards the outside of the cavity, holes (36) arranged in the stem body (24) through which the keys pass, a ring (62) suitable for retracting the at least one key (56) through the holes (36) by a rotation or translation movement, respectively. The mounting also provides a headset arrangement.


    Access

    Download


    Export, share and cite



    Title :

    POTENCE POUR CINTRE DE VELO A LIBERATION CONTROLEE DE SON POUVOIR DIRECTIONNEL


    Additional title:

    BICYCLE STEM HAVING CONTROLLED RELEASE OF THE STEERABILITY THEREOF
    FAHRRADLENKROHR MIT KONTROLLIERTER FREIGABE VON DESSEN LENKBARKEIT


    Contributors:

    Publication date :

    2019-06-12


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    French


    Classification :

    IPC:    B62H CYCLE STANDS , Fahrrad- oder Motorradständer / B62K Fahrräder , CYCLES



    ASSEMBLAGE AERODYNAMIQUE POUR CINTRE DE VELO

    BIGARD PIERRE | European Patent Office | 2020

    Free access

    ESSIEU DIRECTIONNEL ELECTRIQUE POUR VEHICULE

    VERDIER LAURENT / SCHEER DANIEL / DUMAS PIERRE | European Patent Office | 2019

    Free access

    DISPOSITIF DIRECTIONNEL POUR VEHICULE TRACTE

    PHILIPPE ALEXIS | European Patent Office | 2022

    Free access

    BERCEAU ARRIERE POUR FOIL DIRECTIONNEL RETRACTABLE

    JOSSET ROMAIN / MARZIN HERVÉ | European Patent Office | 2023

    Free access

    BERCEAU ARRIERE POUR FOIL DIRECTIONNEL RETRACTABLE

    JOSSET ROMAIN / MARZIN HERVÉ | European Patent Office | 2021

    Free access