TWG

winches, hoists, capstans; hydraulic pump drives driven by a diesel engine; hydraulic pump drives driven by hydraulic motors; machine parts, namely gear drives, slewing ring bearings and rotators

safety devices, namely, crane load sensors for use in preventing overloading or turning over of construction cranes; electronic components for construction cranes, namely, load moment indicators for use in preventing overloading or turning over of construction cranes; electronic rated capacity indicators for monitoring the load moment or tipping point of construction cranes; crane operator warning systems primarily comprised of emergency warning lights, electronic warning bells, and mounted video display monitors showing load information; crane load limiters for use as a safety device to prevent overloading or turning over of construction cranes; anti-two block devices, namely, sensors for detecting and preventing a load hook from being pulled into the boom, and computers for calculating the load moment or tipping point of the crane; hoist monitoring system, comprised of printed circuit boards, a rotary encoder, a shaft, seals and a housing; Electronic switches, electronic indicators and electronic monitoring devices as used as operational aids in equipment such as mobile cranes and boom trucks in the energy, infrastructure and recovery markets