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.

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1 Glossary

ClutchA device mounted on the car door which pulls the hoistway doors as the car...
Door TypeDoor speed, door operation, and door opening width affect the door open...
Fire ShuttersAn automatic or manual fireproof horizontal rolling steel curtain c...
Kick PlateMetal plate, often finished in stainless steel, fastened to lower face...
Pickup RollersDevices on the hoistway door which mate with the clutch on the car...
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...
Two-speed DoorA type of door consisting of two horizontal sliding panels which m...

3 The Hydraulic Elevator

Entrance ModuleEntrance: The framework for the opening is called the entrance a...
Door Equipment ModuleDoor Equipment Module: The door equipment module consists o...

4 The Traction Elevator

Entrance ModuleEntrance: The framework for the opening is called the entrance a...
Door Equipment ModuleDoor Equipment Module: The door equipment module consists o...

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