Device for winding and unwinding a rope on a spool core
Device in rope hoists for limiting speed when lowering a load
Device with adjustable turn-shifting blades for laying and...
Differential drive-cable winding means
Differential interlock for a yarder or skidder
Direct drive deck winch
Direct drive hydraulic wireline winch assembly
Disconnect clutch assembly for winch drum
Displacement control system for hoist apparatus
Diving bell handling system and method
Double drum scraper haulage gear
Double-drum winch
Double-drum winch
Double-drum winch
Double-drum winch
Drawworks
Drawworks
Drive assembly
Drive assembly and apparatus for hoist
Drive for mine friction hoist