dumbwaiter

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dumbwaiter

[′dəm‚wād·ər]
(mechanical engineering)
An industrial elevator which carries small objects but is not permitted to carry people.

dumbwaiter

A hoisting and lowering mechanism within a building equipped with a relatively small car which moves in a vertical direction (in guides); used exclusively for carrying materials.
References in periodicals archive ?
The dumb-waiter shaft opening and doors of the Palanga Palace ground floor until reconstruction in 2012 (a); the dumb-waiter shaft opening and doors are covered and not exhibited after the reconstruction (b) (covered with a coffee machine in the photograph taken by the Projektavimo ir restauravimo institutas)
10 October 2011 - Finnish lifting equipment maker Kone Corp (HEL:KNEBV) said today it had won an order from public transport company MTR Corp (HKG:0066) to supply 139 elevators and five dumb-waiters for the Hong Kong Express Rail Link project.
Dumb-waiters, or service lifts, are useful for conveying the food or the dirty plates, but not both as environmental health regulations don't allow it.