To provide a leg power propulsion device capable of achieving a rotational force with high efficiency by leg power by eliminating low efficiency around top and bottom dead centers in reciprocating rotation conversion by a conventional pedal crank, in a general-purpose propulsion device for effectively converting leg power into rotation.SOLUTION: Reciprocating rods 100, 101 with right and left pedals 110, 111 are mutually subjected to opposite arc reciprocation, and free hubs 200, 201 in a horizontal parallel arrangement by combining chains 120, 121 or a wire or chains 120, 121 with a wire are mutually subjected to opposite rotation to rotation-output only forward rotation.SELECTED DRAWING: Figure 1

    【課題】脚力を有効に回転に変換する汎用推進具において、従来のペダルクランクによる往復回転変換に於ける上下死点付近の非効率を排して、脚力により高効率に回転力を得る事を目的とする脚力推進具を提供する。【解決手段】左右のペダル110、111付き往復桿100、101を相互に反対円弧往復させて、これ直結したチェーン120、121又はワイヤー、又はチェーン120、121とワイヤーの組み合わせで左右並列配置したフリーハブ200、201を相互反対回転させて順回転だけを回転出力する。【選択図】図1


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    Title :

    RECIPROCATING ROD DRIVE PROPULSION DEVICE


    Additional title:

    往復桿駆動推進具


    Contributors:

    Publication date :

    2019-09-19


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

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




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