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


    Zugriff

    Download


    Exportieren, teilen und zitieren



    Titel :

    HAND CHAIN DRIVE DEVICE


    Weitere Titelangaben:

    手鎖駆動装置


    Beteiligte:
    SUGANO YUKI (Autor:in)

    Erscheinungsdatum :

    19.03.2025


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    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



    POWERED HAND CHAIN DRIVE

    STEWART KENNETH J | Europäisches Patentamt | 2017

    Freier Zugriff

    Lifting chain guiding device of loop chain hand-drive block

    GUO QIRONG / FU XIANGNIAN | Europäisches Patentamt | 2015

    Freier Zugriff

    WEAR AMOUNT MEASUREMENT DEVICE FOR DRIVE CHAIN OF MOVEMENT HAND RAIL

    HOSHIZAKI TETSURO / ATSUZAWA TERUYOSHI | Europäisches Patentamt | 2015

    Freier Zugriff

    CHAIN AND CHAIN DRIVE DEVICE

    HIRAI AKIRA / ONISHI TOMOHIKO | Europäisches Patentamt | 2020

    Freier Zugriff

    Escalator hand strap auxiliary drive device

    KUANG BIN / HUANG WEIGANG / MENG QINGDONG et al. | Europäisches Patentamt | 2015

    Freier Zugriff