An actuator may comprise: cylinder structure, ram structure and a cushioning seal. The cylinder structure may comprise a cylinder tube, a cylinder base and a cylinder cap. The ram structure is slidably mounted within a cylinder structure bore and defines with the cylinder structure a gap therebetween. The ram structure may comprise fluid passageway structure for defining a path for fluid to move internally through the ram structure. The path may communicate with an outlet in a sidewall of the ram structure. The cushioning seal may be located between the ram structure and the cylinder structure and engage the ram structure and the cylinder cap during ram structure extension such that the seal substantially closes off a first portion of the gap extending from the seal toward the cylinder structure outer open end. The cushioning seal may be moved during ram structure retraction in a direction of ram structure retraction such that fluid flowing out of the ram structure sidewall outlet when the outlet is in the gap first portion flows between the seal and the cap.


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    Titel :

    ACTUATOR IN A LIFT TRUCK


    Beteiligte:
    OKROY MARTIN (Autor:in) / KREMER JASON (Autor:in) / WENTE LEE (Autor:in) / GILLILAND KEVIN A (Autor:in)

    Erscheinungsdatum :

    2016-02-25


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B66F HOISTING, LIFTING, HAULING, OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD , Hub-, Verhol- oder Schubvorrichtungen, soweit nicht anderweitig vorgesehen, z.B. Vorrichtungen mit unmittelbarer Krafteinwirkung auf die Last / F16J Kolben , PISTONS



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