Human power amplifier for lifting load including apparatus...
Human power amplifier for lifting load with slack prevention...
Human power amplifier for lifting load with slack prevention...
Human power amplifier for vertical maneuvers
Human power amplifier for vertical maneuvers
Hunter's towing machine
Hydraulic system for driving a winch during quartering and lifti
Hydraulic winch
Hydraulic winch
Hydraulic winch assembly using a vehicle steering pump
Hydraulic winch control system
Hydraulic winch having piston rod and pressure plate which...
Hydraulic winches
Hydraulically actuated portable hoist
Hydraulically actuated winch assembly