Anti-sway control of a crane under operator's command
Anti-sway control system for cantilever cranes
Anti-sway hydraulic system for grappler
Apparatus for reducing overload and dampening collision energy
Apparatus for stopping the oscillation of hoisted cargo
Arrangement for placing crane mechanisms
Control device for automatically stopping swiveling of cranes
Control system for a boom crane
Crane apparatus
Crane apparatus
Crane control method
Crane control system
Crane with improved reeving arrangement
Crane with manual input devices
Crane with redundant hoist arrangement and method of using same
Device for controlling the transfer of a load suspended by cable
Directional indicating device for detecting improper orientation
Electronic antisway control
Hoist system having triangular tension members
Lifting device with a guide device for loads