| 摘要 |
Disclosed is a room exhaust duct for collecting and exhausting grease, smoke, heat, steam and odors emanating from cooking food at a cooking table. The room exhaust duct has a hood, flexible duct and adapter duct assembly connected and in communication with the adapted duct assembly connected to and in communication with a permanent ceiling exhaust duct. A reversible hoisting motor is switch-operated and is mounted on the adapter duct assembly. The motor drives a drum reel to wind up or lower a cable connected to the hood to position same in various positions including the fully retracted position of the hood providing unobstructed and esthetically pleasing room space and the fully lowered position of the hood to maximize the collecting and exhausting of such grease, smoke, heat, steam and odors.
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