Safety catch apparatus for a suspension system
Safety device
Safety line and mechanism
Safety lock for a hoisting mechanism that ascends and descends a
Safety locking mechanism for a mechanical lifting jack
Sea swell compensation
Secondary overspeed brake for cable climber
Self tailing winch
Self-energizing winch brake and drive
Self-locking windlass
Self-tailing winch
Self-tailing winch
Self-tailing winch
Ship motion compensator for recovery of oceanographic instrument
Single failure proof crane
Skidder jack
Slow descender including fluid and mechanical braking devices
Slowdown escaping apparatus
Small, variable-speed yarder
Split drive system for dragline with power interlock