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.

Pit Assembly

The pit assembly is a safety device on which buffer springs are mounted. For the jack hole car type shown here, it also serves as a support for the jack. The pit ladder assembly is used to access the pit area from the bottom landing. Its design and location are based on elevator code requirements.

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