An upright bicycle according to the present invention includes a pair of main body frames installed opposite to each other and having a rear wheel installed therein, and a driving device installed on the main body frame so as to generate rotational force. The driving device includes: a chain gear connected to the rear wheel by a chain and coupled to a center shaft passing through the main body frame; a connecting member installed on opposite sides of the main body frame and having a center shaft passed therethrough; two crank shafts each coupled to the connecting member so as to be rotatable; and a power transmission means having one side fixed to the center shaft and the other side hinged to the crank shaft so as to transmit rotational force of the crank shaft to the chain gear.

    본 발명의 직립형 자전거는 한 쌍으로 마주보게 설치되고 뒷바퀴가 설치된 본체프레임과, 상기 본체 프레임에 설치되어 회전력을 발생시키는 구동장치로 이루어지되, 상기 구동장치는, 상기 뒷바퀴와 체인으로 연결되어 상기 본체프레임 사이에 관통된 중심축에 결합되는 체인기어; 상기 본체프레임 양측에 각각 설치되어 중심축이 관통되는 연결부재; 상기 연결부재에 각각 회전되게 결합되는 2개의 크랭크축; 상기 중심축에 일측이 고정되고 크랭크축에 타측이 힌지 연결되어 크랭크축의 회전력을 체인기어로 전달하는 전동수단으로 이루어진다.


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    Titel :

    A upright-riding bicycle


    Weitere Titelangaben:

    직립형 자전거


    Beteiligte:
    KIM SA YUP (Autor:in) / HYEONG JOON HO (Autor:in) / ROH JONG RYUN (Autor:in)

    Erscheinungsdatum :

    2018-02-27


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Koreanisch


    Klassifikation :

    IPC:    B62M RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES , Antrieb von Radfahrzeugen oder Schlitten durch den Fahrer / A63B Geräte für Körperübungen, Turngeräte, Gymnastik, zum Schwimmen, Klettern oder Fechten , APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING / B62K Fahrräder , CYCLES



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