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

Corner PostA method of mounting rails in opposite corners of the hoistway, usual...
CrossheadThe upper member of the car frame.
Guide RollersGuide shoes with rollers which rotate on the guide rails.
Guide ShoesDevices on the sling which slide or roll on the rails to guide the el...
Isolated PlatformCar platform that is mounted on rubber vibration absorbing mate...
Platen PlateA plate, used to attach the jack to the bolster assembly of a hydrau...
Platen Plate Platen Plate: plate that attaches the piston to the bolster on the ...
PlatformThe floor of the elevator, placed in the sling and supported by brace ro...
Platform Isolation PadsRubber or other vibration absorbing material which reduce...
Roller GuidesGuide shoes that use rollers to rotate on the guide rails instead o...
Side PostThe normal practice of mounting rails on opposite hoistway wall midways...
StileThe vertical members of the car sling, one on each side, that fasten the cr...
Support (Brace) RodsSlender metal pieces which extend from the platform and are ...
Toe Guards (Platform Guards)Steel plates with a flat and an angled surface which...

3 The Hydraulic Elevator

SlingSling: is the framework around the cab and platform. Included is the Stile...
StilesStiles: Two vertical channels, one on each side of the car, running parall...
PlatformPlatform: is the surface that the cab sits on.
Cross-Head Cross-Head: Channels running horizontally between the stiles at the v...
BolsterBolster: Two channels running horizontally between the two vertical stile...
Brace Rods Brace Rods:Normally, there are four brace rods. One end attaches midw...
Platen Plate Platen Plate: plate that attaches the piston to the bolster on the ...
Toe GuardToe Guard: This piece of equipment is rarely seen by elevator passenger...
Strike Plates Strike Plates: Two strike plates are attached to the underside of ...

4 The Traction Elevator

Hatch Equipment Module1. The platform assembly is the surface that the cab sits ...
Car Sling - GearedSling The sling is the framework which encloses the cab. The r...
Car Sling - GearlessIsolated PlatformThe platform serves as the base on which yo...

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