A lever device (70) includes a movable bracket (72) and a lever (73) which are supported on a support shaft (77) provided on a base (71) such that the movable bracket (72) and the lever (73) are pivotable between a lowered position (P1) and a raised position (P2), at least one first engagement portion (86) provided on the movable bracket (72), at least one second engagement portion (88) provided on the lever (73), a cam member (81) attached to the support shaft (77) such that the cam member (81) is movable in a direction of an axis of the support shaft (77) but not rotatable about the support shaft (77), and a biasing member (92) to bias the cam member (81) in a direction that allows the cam member (81) to engage with the at least one first engagement portion (86) and the at least one second engagement portion (88), wherein the at least one first engagement portion (86) is configured to, when the movable bracket (72) and the lever (73) are in the lowered position (P1) and when the movable bracket (72) and the lever (73) are in the raised position (P2), engage with the cam member (81) to restrict the movable bracket (72) from pivoting, and the at least one second engagement portion (88) is configured such that, when the lever (73) is caused to pivot upward from the lowered position (P1) or pivot downward from the raised position (P2), the at least one second engagement portion (88) disengages the cam member (81) from the at least one first engagement portion (86).


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    Title :

    LEVER DEVICE AND WORKING MACHINE


    Additional title:

    HEBELVORRICHTUNG UND ARBEITSMASCHINE
    DISPOSITIF DE LEVIER ET ENGIN DE CHANTIER


    Contributors:

    Publication date :

    2025-07-23


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B66C Krane , CRANES / E02F Baggern , DREDGING / G05G CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY , Steuer- oder Regelvorrichtungen oder Steuer- oder Regelsysteme gekennzeichnet ausschließlich durch mechanische Einzelheiten



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