Watsond LSB30 safety lock is the most common safety device for suspended platforms.
Description of LSB30
Watsond LSB30 arm type anti-tilt safety lock is mainly made up by rope clips, lags, torsional spring, swing arm, and idler wheels. It adopts 8.3/8.6 mm wire ropes. The permissable impact force of LSB30 is 30 KN. The locking distance is less than 100 mm , which means that the safety lock can lock the wire rope within 100 mm once it does not work. The locking angle is 3-8 degrees, mean that the safety lock can be started once the platform tilts within 3-8 degrees.