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: Doors Return to Home

1 Glossary

AstragalRubber molding on the leading edge of car and hoistway doors. It is fur...
ClutchA device mounted on the car door which pulls the hoistway doors as the car...
Door GibsDevices at the bottom of horizontal sliding door panels which stick int...
Door HangerRolling assembly fastened to the top of the door panel. Supports and...
Door HeaderA formed heavy-gauge steel member located in a horizontal position on...
Door InterlockPrevents the operation on the machine unless the hoistway door is ...
Door OperatorA machine mounted on the car directly above the opening which drive...
Door PanelA portion of the door or gate which covers the opening and moves to un...
Door TypeDoor speed, door operation, and door opening width affect the door open...
Doors - BipartingProtective devices for hoistway openings of freight elevators c...
Doors - Center OpeningA door type which consists of two horizontal sliding panel...
Doors - Horizontal SlidingEntrance protection for both car and hoistway (usually...
Entrance AssemblyCloses the hoistway enclosures openings that are normally used ...
Hanger RollersRollers (two per panel) from which horizontal door panels are susp...
Hanger TrackThe track through which the hanger rollers are guided.
Head JambThe top horizontal piece of an entrance door frame which connects the s...
HeaderFormed steel positioned horizontally in the hoistway to provide structural...
Hoistway DoorThe side of the elevator door visible in the lobby or hallway which...
InterlockA device that provides a physical lock for hoistway door and gives an e...
Kick PlateMetal plate, often finished in stainless steel, fastened to lower face...
LabeledEquipment or materials to which has been attached a label, symbol or othe...
Microlight ®ThyssenKrupp Elevator’s version of a door protection device in the f...
Pickup RollersDevices on the hoistway door which mate with the clutch on the car...
Power DoorsDoors which are propelled by electric motor(s). Power doors on Freig...
ReturnThe area behind a wall or enclosure where a sliding door panel or gate sli...
Return PanelThe panel at the front of the passenger elevator car, adjacent to th...
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...
Sight GuardA strip of sheet metal mounted vertically on the leading edge of side...
SillThe threshold of a door opening. Most sills include grooves to guide the bo...
Single Speed DoorDoor type with one panel which slides to one side, behind the r...
Strike JambColumn against which a horizontal sliding car door closes.
TransomA panel or panels above an entrance used to close the hoistway enclosure.
Two-speed DoorA type of door consisting of two horizontal sliding panels which m...

2 Basic Elevator Design

Harmonic (HD) Door OperatorHarmonic operators use levers and pivot point fulcrum...
Linear (LD) Door OperatorEvolving motor technology has helped develop a differen...

3 The Hydraulic Elevator

Door Equipment ModuleDoor Equipment Module: The door equipment module consists o...

4 The Traction Elevator

Door Equipment ModuleDoor Equipment Module: The door equipment module consists o...

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