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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Escalator & Moving Walk

Escalator Arrangements Escalators and moving walks can be arranged in various co...
Escalator DutyEscalator DutyBefore we can establish an escalator duty, we need t...
Escalator LayoutWellwayEscalators operate with a 30 degree incline and moving wa...
Escalator OverviewTrussThe escalator/moving walk truss is an assembly of structu...
Moving Walk Application & ArrangementsThere is one standard application for ...
Moving Walk Applications Location is important because it defines the physical e...
Moving Walk Overview A moving walk is a people moving system resembling a convey...

1 Glossary

Baggage Stops (Anti slide knobs)On escalators material, usually metal, of variou...
BalustradeThat portion of the escalator extending above the steps including skir...
Bearing plateThe building support member on which an escalator truss is mounted....
Chain RiserOn an escalator, a step riser with a grooved surface which meshes wit...
Chain WheelsWheels attached to an escalator’s step chains and connected by axles...
Chord MemberOn an escalator, the longitudinal members of the truss assembly.
Comb LightingOn an escalator, small flush type light panels located in the skirt...
Comb PlatesCover plates located at floor level of an escalator within the balust...
Comb TeethA series of metal plates having teeth which ride the grooves of the st...
Criss-cross Escalator InstallationAn escalator installation where the adjacent u...
Deck BoardThe capping member of the balustrade. Usually considered as that porti...
Demarcation LightsLight fixtures installed just below the steps inside the truss...
Demarcation LineLocated near the edge of an escalator step tread, consisting of ...
Directional Start SwitchA key operated switch located generally in the newel bas...
Escalator Emergency Stop SwitchesFor an escalator a separate stop button usually...
Escalator StepOn an escalator, the moving portion upon which a passenger rides.
Escalator WidthThe width is a nominal dimension measured between the balustrade ...
Extended HeadsExtensions of the escalator truss proper at either the lower or up...
Exterior PanelsCovering of the escalator truss on the exterior side of the balus...
Floor PlatesLocated at the upper escalator landing only. A plate recessed flush...
Head RoomThe dimension from an escalator step tread to the underside of the well...
High Chord TrussA design where most of the truss steel structure is located abov...
Intermediate SupportNormally provided by others and required only on escalators ...
Intersection GuardA triangular shaped piece, usually plastic, located at the poi...
Landing PlatesCover plates at floor level extending from the comb plate to the e...
LightingA lighted panel approximately 7 inches high running the full length of t...
Low Cord TrussAn escalator truss design where most of the supporting steel is lo...
Lower HeadThe horizontal portion of the truss at the lower end of the escalator....
Lubricators (Escalators)Wick type applicators located to assure proper lubricati...
Safety AxleA shaft connecting the step chains on each side and fastened to the s...
SegmentsThe radius portions of an escalator assembly.
Skirt PanelThe lowest panel within the balustrade, located immediately adjacent ...
Skirt SwitchesSafety switches located immediately behind the skirt boards at the...
Soffit (Escalators)Covering of the underside of the escalator truss, not normall...
StanchionsThe vertical members of an escalator truss assembly.
Step ChainsLarge four inch pitch roller chains which form the connecting linkage...
Step RiserThe vertical portion of the step.
Step TracksA series of tracks which support and guide the steps through both the...
Step TrainThe assembly of all steps to the step chains, forming a continuous mov...
Step TreadThe riding or top surface of the step, usually constructed of cast or ...
Trailing Wheels (Step Wheel)Wheels connected by axles to the riser end of the st...
TrussAn assembly of structural steel or tubular steel shapes which forms the sup...
Vertical TransportationThe class of transport for moving people or equipment in ...
WellwayThe opening in the floor provided for installation of an escalator.
Working PointUsed by all escalator manufacturers to determine relationship of un...

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