Abstract A jacking assembly for raising and lowering an object with respect to a surface, the assembly comprising a support comprising a first support portion and a 5 second support portion; a drive mechanism configured to engage the support, the drive mechanism comprising a first drive element and a second drive element moveable in relation to one another; the jacking assembly being configured to adopt a first mode in which the first drive element and the first support portion are fixed in relation to one another and the drive mechanism is 10 operative to raise or lower the second support portion with respect to the first support portion by relative movement between the first drive element and the second drive element, and a second mode in which the first support portion and the second support portion are fixed in relation to one another and the first drive element is disengaged from the first support portion and operative to move is upwardly or downwardly in relation to the first support portion. 9496394_1 (GHMatters) P103507.AU.1 27/10/17
Jacking Assembly
2018-05-17
Patent
Electronic Resource
English
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 |