A stand-alone multipurpose lifting device 1 comprises an elongated vertical support section 2 having a planar base section 3 with an upper end comprising a substantially U-shaped receiving bearing comprising a plurality of pivot slots 5 on either side of the U-shaped bearing and an angled elongated lever arm section 6. The lever arm section 6 comprises an angle strengthening gusset 8 and a detachable extension arm and handle (10 fig.4) comprising a receiving sleeve (14 fig.4) for fitting over and receiving the end of the lever arm section 6. A multi-headed device (70 fig.20) for removing dirt and debris from a manhole cover key recess comprises an auger head (71 fig.20), a screwdriver head (72 fig.20), a splayed key head (73 fig.20) and a ball head (74 fig.20). The device is substantially in the form of an X-shape. A device (80 fig.22) for cracking a seal formed around a manhole cover comprises a horizontal cross bar section 81 comprising a bottle jack holder recess (84 fig.22), a bottle jack retaining means87,88, two opposed leg sections 82, support struts (83 fig.22) between the horizontal cross bar 81 and leg sections 82 and a jack cap section (76 fig.25,26) comprising two lifting eyes (77 fig.25,26) comprising a hook (90 fig.25,26) and lifting chains (78 fig.25,26) for attaching to a manhole lifting arm detachably connected to a manhole cover. A method for opening and lifting a manhole cover using the three devices is also claimed.


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    Titel :

    A multipurpose device


    Beteiligte:
    DOHERTY ROGER (Autor:in)

    Erscheinungsdatum :

    04.11.2015


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    E04H Gebäude oder ähnliche Bauwerke für besondere Zwecke , BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES / 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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