The subject-matter of the invention comprises a hoist mechanism for attic scissor stairs, attic stairs and method of hoisting attic stairs concertina ladder using hoist mechanism, wherein the hoist mechanism with an electric drive is constructed out of load bearing frame (5), half-frame (62) with electric drive (72) suspended from it, and half-frame (61) is constructed out of lateral stile (61) and two side stiles (62), so that half-frame side stiles (62) are mounted using articulated joints to load bearing frame (5) wherein each side stile (62) features lifting system (13) for lifting attic stairs concertina ladder (3), wherein lifting system (13) assumes a passive and an active position during hoist mechanism operation.


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    Titel :

    LIFTING MECHANISM FOR SCISSOR ATTIC STAIRS, ATTIC STAIRS, AND METHOD OF LIFTING ATTIC STAIRS USING A LIFTING MECHANISM


    Beteiligte:

    Erscheinungsdatum :

    10.04.2025


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    E04F FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS , Ausbau von Bauwerken, z.B. Treppen, Fußböden / 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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