Convertible sheave assembly for telescoping derricks
Conveyor belt shifting apparatus
Coordinated boom lift and carriage transfer
Coordinated lift system
Counterbalancing chassis for aerial platform apparatus
Coupling assembly
Cradle for a differential
Cradle jack
Crane assembly
Crane system
Crown support carrier
Curved hydraulic jack
Cushioned actuator
Cushioning device for fluid jacks
Cylinder arrangement for raising a carriage and uprights of...