Crane comprises under-support with horizontal boom fixed to it, main crab movable along boom and provided with ilfting devices and cabin crab for operator, also movable along boom

摘要

The crane (1) comprises an under-support (2) with a horizontal boom (3) fixed to it, a main crab (30) movable along the boom and provided with lifting devices (31) and a cabin crab (40) for an operator, also movable along the boom. The main crab and the cabin crab are movable along the boom independently of each other. The two crabs are so formed that in usage the cabin crab can move through the main crab.