The present invention provides an angle changeable apparatus and an oar such that the shaft angle is easily adjustable. Disclosed is an angle changeable apparatus 1 for variably changing an angle of a shaft 110 inserted in a sleeve 10, including: a shaft-side member 20 fixed to the shaft 110; a sleeve-side member 30 fixed to the sleeve 10; and a slider 40 configured to slide between the shaft-side member 20 and the sleeve-side member 30, wherein the shaft-side member 20 has a first guiding part extending in a shaft direction, the sleeve-side member 30 has an elongated hole 31 extending in an oblique direction relative to the shaft direction, the slider 40 has a groove 41c guided by the first guiding part and a slider main body 41 guided by the elongated hole 31, and when the slider 40 slides, the shaft-side member 20 and the sleeve-side member 30 are subject to relative rotation so that the angle of the shaft 110 relative to the sleeve 10 is changeable.


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    Titel :

    Angle changeable apparatus and oar


    Beteiligte:
    NISHIYAMA SHINGO (Autor:in) / OZAWA TETSUSHI (Autor:in)

    Erscheinungsdatum :

    06.07.2023


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING / F16B DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES , Vorrichtungen zum Befestigen oder Sichern von Konstruktionselementen oder Maschinenteilen, z.B. Nägel, Bolzen, Schrauben, Sprengringe, Klemmen, Klammern oder Keile



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