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.

Sill

The threshold of a door opening. Most sills include grooves to guide the bottom of the car or hoistway door. ThyssenKrupp Elevator offers a Freedom sill, which is grooveless and is guided from under the sill. Sills extend the full width of the door travel.

Tags:  Entrance Doors


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