The present disclosure related to an effort-saving crank structure (1) oof a bicycle (8), which includes: a crank mechanism (10) having a crank (11), a shaft end gear (12) and a treadle end gear (13) disposed on the crank (11); a transmission mechanism (20) disposed in the crank (11) and having a rotation shaft (21) and a first gear (22) and a second gear (23) connected to the rotation shaft (21), the first gear (22) and the shaft end gear (12) are engaged for transmission, and the second gear (23) and the treadle end gear (13) are engaged for transmission; a rotation arm unit (30) having a first rotation arm (31) and a second rotation arm (32), two ends of the second rotation arm (32) are respectively connected to the first rotation arm (31) and the treadle end gear (13).


    Zugriff

    Download


    Exportieren, teilen und zitieren



    Titel :

    EFFORT-SAVING CRANK STRUCTURE AND CRANK ASSEMBLY OF A BICYCLE


    Weitere Titelangaben:

    KRAFTSPARENDE KURBELSTRUKTUR UND KURBELANORDNUNG EINES FAHRRADS
    STRUCTURE DE MANIVELLE ET ENSEMBLE DE MANIVELLES DE BICYCLETTE À EFFORT RÉDUIT


    Beteiligte:
    LIN HSUAN-CHIH (Autor:in) / LEE CHUN-CHENG (Autor:in)

    Erscheinungsdatum :

    22.11.2023


    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



    EFFORT-SAVING CRANK STRUCTURE AND ASSEMBLY OF BICYCLE

    LIN HSUAN-CHIH / LEE CHUN-CHENG | Europäisches Patentamt | 2024

    Freier Zugriff

    Effort-saving crank structure and assembly of bicycle

    LIN HSUAN-CHIH / LEE CHUN-CHENG | Europäisches Patentamt | 2023

    Freier Zugriff

    EFFORT-SAVING CRANK STRUCTURE AND ASSEMBLY OF BICYCLE

    LIN HSUAN-CHIH / LEE CHUN-CHENG | Europäisches Patentamt | 2022

    Freier Zugriff

    Effort-saving crank structure and assembly of bicycle

    HSUAN-CHIH LIN / CHUN-CHENG LEE | Europäisches Patentamt | 2024

    Freier Zugriff

    Bicycle crank arm and bicycle crank assembly

    YAMANAKA MASAHIRO / NISHIMOTO YUSUKE / NONOSHITA TETSU et al. | Europäisches Patentamt | 2016

    Freier Zugriff