DUMBWAITER

A small freight elevator is often called a Dumb- Waiter or a small box elevator designed for carriage of lightweight freight is called a Dumb Waiter.
often used for moving of small items such as dishes in a kitchen or books in a multistory rack assembly.
Passengers are never permitted in dumbwaiters.
Dumb-Waiters are generally driven by a small electric motor with a counterweight and their capacity is limited to about 250 kg.
They may also be drum operated using a roped pulley.

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