Classroom on demand

Welcome to Classroom on demand, your source for educational materials related to the vertical transportation industry. This site represents the knowledge and expertise of the best engineers and mechanics in the elevator industry, and will help those new to the elevator industry learn about the basic workings of elevator systems, and also will serve as a reference for people with more experience.

Showing Results for Tag: Safety Return to Home

1 Glossary

Car-Top Inspection StationA control panel on top of an elevator car which, when ...
Emergency BrakeMounted on the drive step chain sprocket shaft and arranged to op...
Emergency CircuitA portion of the elevator control wiring that includes a number...
Emergency Stop SwitchA hand-operated switch in the car operating station, which,...
FasciaSteel plate installed in the hoistway vertically to extend from the top of...
Final Limit SwitchOne of two mechanically operated switches mounted in an elevat...
Fire Phone JackA special phone jack that can be built into a car operating panel...
Fire ServiceA group of devices that removes all cars from normal use, sends them...
Fire ShuttersAn automatic or manual fireproof horizontal rolling steel curtain c...
GovernorThe governor is a mechanical speed control mechanism. The governor monit...
Governor RopeWire rope with at least one end fastened to the safety activating m...
InterlockA device that provides a physical lock for hoistway door and gives an e...
Main EgressThe floor of a building that is the “entry” & “exit” point of the...
Microlight ®ThyssenKrupp Elevator’s version of a door protection device in the f...
Overspeed ValveA valve which reduces the speed of a hydraulic elevator when it d...
SafetyDevice on the car or counterweight that will stop the car or counterweight...
Safety EdgeA mechanical device driven by the elevator, which simulates elevator ...
Safety Edge – CableA small steel cable attached from the car or counterweight or...
Safety Edge - Cams-Fingers, WipersElectrical signaling devices located on the se...
Safety Edge – CarriageA simulated car located in the selector which carries cams...
Safety Edge – DrumA cylindrical device on the selector, to which the selector ca...
Safety Edge - Floor BarsSimulated floor devices on a selector through which cams...
Safety HousingA large clamp that anchors the car to the building to keep the ele...
Safety PlankThe bottom member of a sling for a traction elevator which contains ...
Safety SwitchesElectrical switches located at various points within the unit whi...
Seismic SwitchActivated by movement in the ground that provides a signal that a ...

3 The Hydraulic Elevator

Door Protection ModuleDoor Protection Module: This module contains assemblies th...

4 The Traction Elevator

Governor Module The governor, which is located in the machine room or overhead d...
Door Protection ModuleDoor Protection Module: This module contains assemblies th...
GovernorThe governor is a mechanical speed control mechanism. The governor monit...
Safeties Safeties The purpose of the safeties is to stop and hold the car if the...

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