PROGARD

Equipment for the installation of [ electrical and hydraulic passenger elevators, electrical and hydraulic freight elevators and mechanical escalators, and parts therefor; namely, hoistways; ] hoistway enclosures; hoistway doors and [ gates; ] hoistway doors and gate interlocks, [ elevator cars, cables, pulleys, and counter weights; hydraulic driving machines; elevator and escalator guide rails, balustrades, and handrails; escalator steps; elevator and escalator chains; escalator combplates, trusses, and supports ]

Electronic controls for electronically, optically [ and acoustically ] controlling and monitoring the operation of elevators