Compensating crane and method
Crane radial support bearing
Floor mounted rotatable jib crane
Inverted kingpost crane
Jib crane arrangement having a rotatable mast
Jib crane system having a rotatable mast
Mechanism for rotating a crane turret through a 500.degree. arc
Mining shovel with improved center gudgeon bottom retainer
Mobil crane
Rotary crane
Support structures of excavating machines
Supporting chassis for a working machine such as a mechanical sh
Swing bearing quick removal system
Thrust-centering crane and method
Turntable of a rotary crane
Vehicle mounted lightweight pivoting hoist