Drive mechanism for cable drums
Drive system for yarder used in double main line logging
Driving machine for lifts
Drum for receiving a rope
Drum hoist
Drum pulley
Drum spar
Drum winches
Dual capstan puller and method
Dual drive system for dragline with power interlock
Dual-drive winch system adapted for well logging applications
Dump block for dragline bucket
E-winch
Easily removable sheave assembly
Eddy current braking system
Electric hoist
Electric hoist and traction apparatus
Electric hoist with wedging grooved pulley for free- end...
Electric mining shovel hoist rope impact-reduction box
Electric winch