Universal duct elbow and connector plate

Details Universal duct elbow and connector plate Universal duct elbow and connector plate

1990-12-04

1992-10-27

Reese, Randolph A.

Pipe joints or couplings

With fluid pressure seal

With separate, encased pipe-gripping means

285181, 285163, 285424, 29513, F16L 1100

Patent

active

051583283

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.

REFERENCES:
patent: 1661674 (1925-07-01), Osborn
patent: 2086007 (1936-03-01), Tompkins
patent: 2215318 (1940-09-01), Bristol
patent: 2823703 (1958-02-01), Nusser
patent: 3185506 (1963-08-01), Szlashta

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