Universal duct elbow and connector plate
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United States of America Patent
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-
Oct 27, 1992
Grant Date -
N/A
app pub date -
Dec 4, 1990
filing date -
Dec 4, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A universal duct elbow as for the vent system of a clothes dryer, formed of a body and a pair of swivel sleeves rotational on the body. The body has an outer 180.degree. portion of a configuration like that of a quarter toroid, and an inner 180.degree. portion like a square type elbow. The center line radius is less than about 0.6 of the duct diameter, enabling a duct assembly using the elbow to fit into a space only slightly larger than the duct diameter. The body is formed of an L-shaped plate having flow openings in the two legs of the L, plus two joined mirror image, arcuate elements. At these sleeves are radially extending flanges of the legs of the L to enable attachment to a wall.
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