82411 ⎘
Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with jibs mounted for jibbing or luffing movements and adapted to move the loads in predetermined paths
Sub-classes:Sliding guidance for a load-handling device
#2DEVICE FOR THE SAFE TRANSFER OF PERSONNEL OR MATERIAL FROM AN OBJECT CONFIGURED AS A BOAT TO AN OBJECT MOVING RELATIVE THERETO, AND BOAT COMPRISING THE DEVICE
#3Ring derrick with stationary counterweight