A vehicle wheel positioning and steering apparatus particularly useful for aerial work platforms comprises a support chassis (10) and chassis support legs (20) pivotally connected to the chassis (10). Steerable wheel assemblies (30) are operably connected at ends of the support legs (20) and powered actuators (40) are operably connected to the chassis (10) and legs (20) for pivotally moving the legs (20) and wheel assemblies (30) relative to the chassis between transport and working positions. Variable length linear wheel steering actuators (50) comprise one link of four bar parallelogram steering linkages between the chassis (10) and wheel assemblies (30) and the support legs (20) each comprise second bars of the four bar parallelogram steering linkages.


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    Title :

    VEHICLE WHEEL POSITIONING AND STEERING APPARATUS


    Additional title:

    FAHRZEUGRADPOSITIONIERUNGS- UND LENKVORRICHTUNG
    APPAREIL DE POSITIONNEMENT ET DE DIRECTION DE ROUE DE VÉHICULE


    Contributors:
    CROOK GARY (author)

    Publication date :

    2021-09-01


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge / B60B VEHICLE WHEELS , Räder für Fahrzeuge / B60G VEHICLE SUSPENSION ARRANGEMENTS , Radaufhängungen und Federungen für Fahrzeuge / 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



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