An apparatus has a scissor mechanism with linked criss-crossing element pairs including a first end pair 120, 122 at a first rigid end 110 of the mechanism and a second end pair 130, 132 at a second rigid end 112 of the mechanism which are pivotally connected by first tips at 310 to the ends. At least one intermediate pair, pivoting at midpoint 430, connects the first and second end pairs at 320. A first rigid element 210, shorter than the elements 120, 122, is pivotally connected to element 120 at a second tip 320 and pivotally mounted to element 122. A second rigid element 220 is connected at the opposite end of the apparatus in a similar manner to the first. The end portions are movable away from each other without a change in orientation of the end portions. A second scissor mechanism may be utilised, and the apparatus can be used as a lifting apparatus or a retractable arm.


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    Titel :

    Scissor mechanism


    Beteiligte:

    Erscheinungsdatum :

    2021-10-20


    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



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