To improve the situation where a worker uses a chain block and manually drives a hand chain to lift a heavy object, which requires considerable labor and time.SOLUTION: A hand chain drive device according to an embodiment drives a hand chain of a chain block, and includes two drive gears that drive the hand chain, a rotating gear arranged with a predetermined gap between the two drive gears, a tension adjustment unit that holds the rotation shaft of the rotating gear and can adjust the tension of the hand chain hung between the two drive gears, and protrusions provided on the drive gears and the rotating gear to mesh with the hand chain.SELECTED DRAWING: Figure 1

    【課題】作業員がチェーンブロックを利用して、手動で手鎖を駆動させて重量物を吊上げる場合は相当の労力と時間を要する。【解決手段】実施形態に係る手鎖駆動装置は、チェーンブロックの手鎖を駆動させるための手鎖駆動装置であって、前記手鎖を駆動させる2つの駆動歯車と、2つの前記駆動歯車の間に、所定の間隙を有するように設けられた回転歯車と、前記回転歯車の回転軸を保持し、2つの前記駆動歯車に掛け渡された前記手鎖の張力を調整可能な張力調整部と、前記手鎖と噛み合うように前記駆動歯車及び前記回転歯車に設けられた突起部とを備える。【選択図】図1


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    Title :

    HAND CHAIN DRIVE DEVICE


    Additional title:

    手鎖駆動装置


    Contributors:
    SUGANO YUKI (author)

    Publication date :

    2025-03-19


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B65G TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS , Transport- oder Lagervorrichtungen, z.B. Förderer zum Laden oder Abladen / B66D Haspeln , CAPSTANS



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