Abstract A lifting apparatus, comprising: a piston assembly movably disposed in a cylinder for lifting and supporting load; a collar member configured to be arranged circumferentially about the piston assembly, and a driving arrangement for driving the collar member in an upward or downward direction relative to a base supporting said piston assembly to position the collar member circumferentially about the piston assembly.
LIFTING APPARATUS AND LIFTING METHOD
2019-05-30
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 |