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WHAT IS A DUMB-WAITER AND HOW TO CHOOSE A DUMB-WAITER
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.
Dumb-Waiters are used extensively in the restaurant business (hence the name) and may also be used for lifting books in libraries, to transfer goods and articles in a house, to transfer equipments in a hospital or to transport mail or similar items in an office tower.
Beacon Dumb-Waiters handle 100 to 250 kg. At speeds 0.25 to 0.50 mps. The choice of the control system depends upon the number of floors served and the intensity of service required. Different types of control offered include call and send and multi-button systems.
Among other optional features available are two speed control with ACVVVF drive, signals to indicate car location and audio- visual signals to indicate car arrival and a removable shelf.
Apart from the standard sizes it can also be customised according to the clients requirement.
DUMB WAITERS - Space Requirements
DUMB WAITERS - Sample Drawing