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.

Intermediate Support

Normally provided by others and required only on escalators with extreme rises. Used to give additional support at a point near the center of the longitudinal length of the truss. This also reduces loading on the building members at each end of the escalator.

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