B
PERFORMING OPERATIONS; TRANSPORTING
B66
HOISTING; LIFTING; HAULING
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
B66F9/00
Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes