PROBLEM TO BE SOLVED: To provide a rocker for a bicycle gear that is constructively simple, highly reliable and overcomes the drawbacks of conventional arts.SOLUTION: A rocker (10) for a bicycle gear is provided that comprises an inner plate (12), an outer plate (14), a pair of pins (16, 18) integral with both plates (12, 14), and a pair of toothed wheels (20, 22) arranged between both plates. Each toothed wheel is rotatably mounted on respective pin of the pair of pins. One of the pins is inserted in non-threaded through-holes (12a, 12b, 14a, 14b), which are formed in both plates, and is formed of a screw (26) and a female screw (36). The screw (26) has an outer threading (26d) and an abutment surface (26b) at one (14) of both plates. The female screw (36) has an inner threading (36d) engaged with the outer threading (26d) and an abutment surface (36b) at the other (12) of both plates.SELECTED DRAWING: Figure 1

    【課題】構造単純で、信頼性が高い、従来技術の短所を克服する自転車のギア用ロッカーの提供。【解決手段】インナープレート(12)と、アウタープレート(14)と、両プレート(12、14)と一体的な一対のピン(16、18)と、両プレート間に配置された一対の歯車(20,22)と、を備える自転車のギア用ロッカー(10)。各歯車は、一対のピンの各ピン上に回転可能に取り付けられる。ピンの一方は、両プレートに形成された、ねじ部が付いていない貫通孔(12a,12b,14a,14b)に挿入され、かつ、ねじ(26)および雌ねじ(36)により形成されている。ねじ(26)は外ねじ部(26d)と両プレートの一方(14)との当接面(26b)とを有する。雌ねじ(36)は外ねじ部(26d)と係合された内ねじ部(36d)と両プレートのうちの他方(12)との当接面(36b)とを有する。【選択図】図1


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    Title :

    ROCKER FOR BICYCLE GEAR


    Additional title:

    自転車のギア用のロッカー


    Contributors:

    Publication date :

    2017-10-19


    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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