74414437
Jul 16, 1993
May 28, 1996
elevators and power-operated lifts for persons and loads, construction lifts; elevators, high-bay goods elevators; devices to prevent lowering of an elevator as parts of such elevators; namely, deflection pulleys and tension pulleys; conveyor systems comprised of chains, rails, traveling cages and/or roller trolleys; transport devices as parts of machinery; namely, trolleys and cages routed by rail or control systems
Machinerysafety and control systems for elevators comprised of speed limiters and electric safety switches; devices to prevent lowering of an elevator as parts of such elevators; namely, pulse generators on speed limiters on elevator systems, electric emergency limit switches, electric rope slack switches; electric controls for elevator safety devices
Electrical and Scientific Apparatus