To provide a load suspension hook configured such that a movable member supported so as to be movable between an open position and a closed position with respect to a base member is moved in conjunction with a wind-up/pull-out operation of a pulling member, the hook being able to prevent damage to a component, caused by action of pulling force exerted by the pulling member.SOLUTION: A load suspension hook 1 according to the present invention comprises: a base member 10 suspended by a pulling member 150; a rotary body 41 supported by the base member 10 so as to be rotatable and fixing one end of the pulling member; a movable member 20 supported by the base member 10 so as to be movable between a closed position and an open position and having a second gear part 43 engaged with a first gear part of the rotary body 41; a biasing member 45 that biases the rotary body 41 or the movable member 20 into the open position; and rotation regulation parts 62 and 70, each of which regulates rotation of the rotary body 41 in the closed position of the movable member 20.SELECTED DRAWING: Figure 4

    【課題】ベース部材に対して開位置と閉位置との間で移動可能に支持される可動部材が牽引部材の巻き上げ/引き出し動作と連動するフック構成において、牽引部材による牽引力の作用に伴う部品の損傷を防止できる荷下用フックを提供する。【解決手段】本発明の荷下用フック1は、牽引部材150によって吊り下げられるベース部材10と、ベース部材10に回転可能に支持され、牽引部材の一端を固定する回転体41と、閉状態と開状態との間で移動可能にベース部材10に支持されるとともに、回転体41の第1のギヤ部と噛み合う第2のギヤ部43を有する可動部材20と、回転体41又は可動部材20を開状態へと付勢する付勢部材45と、可動部材20の閉状態で回転体41の回転を規制する回転規制部62,70とを備える。【選択図】 図4


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    Title :

    LOAD SUSPENSION HOOK


    Additional title:

    荷下用フック


    Contributors:

    Publication date :

    2019-06-24


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B66C Krane , CRANES



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