PROBLEM TO BE SOLVED: To provide an assembly ship propeller which enables easy change of pitches of propeller blades.SOLUTION: A ship propeller 1 includes: propeller blades each including a blade flange 31; a hollow propeller boss 2 provided with a blade fixation hole 21; discs 4, each of which contacts with the blade flange through the blade fixation hole, has a through hole 42 into which a fastening member 41 is inserted, is fastened to the blade flange by the fastening member, and sandwiches the propeller boss with the blade flange; at least one pin 6 held by at least one of the propeller boss and the disc; and bushes 8, each of which is inserted into an adjustment hole 7 provided at the other of the propeller boss and the disc and has a fitting hole in which the pin is fitted. The through hole of the disc is an elongated hole extending in a circumferential direction around a center of the blade flange.SELECTED DRAWING: Figure 2

    【課題】プロペラ羽根のピッチを容易に変更できる組立式の舶用プロペラを提供する。【解決手段】舶用プロペラ1は、羽根フランジ31を含むプロペラ羽根と、羽根固定穴21が設けられた中空のプロペラボス2と、羽根固定穴を通じて羽根フランジと当接するディスク4であって、締結部材41が挿通される貫通穴42を有し、締結部材によって羽根フランジに締結されて羽根フランジと共にプロペラボスを挟持するディスクと、プロペラボスとディスクの一方に保持された少なくとも1つのピン6と、プロペラボスとディスクの他方に設けられた調整穴7内に挿入されたブッシュ8であって、ピンと嵌合する嵌合穴を有するブッシュと、を備え、ディスクの貫通穴は、羽根フランジの中心回りの周方向に延びる長穴である。【選択図】図2


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    Title :

    SHIP PROPELLER


    Additional title:

    舶用プロペラ


    Contributors:

    Publication date :

    2018-03-01


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING



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