PROBLEM TO BE SOLVED: To provide a propeller unit for a vessel propulsion device assuring guarantee of protection of a power transmission device, etc.SOLUTION: A propeller unit for a vessel propulsion device has an inner hub 51, an outer hub 52 arranged coaxially to the inner hub 51 as well as communicating to the inner hub 51 and having a plurality of blades on the outer periphery surface, a hollow shaft member 55 with a rib 65 on the outer periphery surface and communicating with the propeller shaft 31; a bushing 54 composed of a dumper 56 formed by an elastic member covering the outer periphery surface of the hollow shaft member 55 and arranged in between an inner periphery surface of the inner hub 51, and the bushing 54 is spline coupled to the propeller shaft 31 through spline teeth 58 formed on an inner periphery surface of a front half unit or a rear half unit of the hollow shaft member 55 in the longitudinal direction and a rupture unit is provided in a portion corresponding to a spline tooth non-formed unit 60.SELECTED DRAWING: Figure 4

    【課題】動力伝達装置等の保護を確実に保証する船舶推進装置のプロペラユニットを提供する。【解決手段】内側ハブ51及び、内側ハブ51に対して同軸に配置されると共に内側ハブ51に連絡されて外周面に複数の羽根を有する外側ハブ52と、外周面にリブ65を有してプロペラシャフト31に連絡される中空軸部材55及び、弾性部材で形成されて中空軸部材55の外周面を覆い内側ハブ51の内周面との間に配置されるダンパ56からなるブッシング54とを有し、ブッシング54は、中空軸部材55の長手方向の前半部又は後半部の内周面に形成されたスプライン歯58を介して、プロペラシャフト31とスプライン結合され、スプライン歯非形成部60に対応する部位に破断部を設ける。【選択図】図4


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    Title :

    PROPELLER UNIT FOR VESSEL PROPULSION DEVICE


    Additional title:

    船舶推進装置のプロペラユニット


    Contributors:

    Publication date :

    2018-08-02


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING / F16D COUPLINGS FOR TRANSMITTING ROTATION , Nicht schaltbare Kupplungen



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