Rope traction device

Rope winding device

Rotary power drive for a cable traction apparatus

Rotating receptacle mixer with powder feed pan and cover means

Safety apparatus for lowering tower equipment

Safety device for cable-winch drums

Safety interlock for fluid-operated, load-handling apparatus

Safety latch for a tire carrier and improvements therefor

Safety latch for a tire carrier and improvements therefor

Safety latch for a tire carrier and improvements therefor

Safety mechanism

Safety mechanism for hoisting drums

Safety system for overhead support of weighted articles

Safety winch

Scaffolding winch

Segmented guide eye

Self adjusting hoist brake

Self tailing winch

Self-adjusting brake engine limit switch assembly

Self-energizing winch brake and drive