Dryer duct and vent assembly including a flexible duct portions

Details Dryer duct and vent assembly including a flexible duct portions Dryer duct and vent assembly including a flexible duct portions

1990-12-04

1992-06-16

Reese, Randolph A.

Pipe joints or couplings

With fluid pressure seal

With separate, encased pipe-gripping means

285169, 285181, 285183, 285278, 285903, 285165, 285226, 34235, 454903, F16L 2700, F24F 1300

Patent

active

051219484

ABSTRACT:
Disclosed is a metal dryer exhaust duct assembly using a pair of flexible corrugated metal ducts capable of linear extension and capable of reorientation of the duct ends, a pair of elbow connectors, one for attachment to a dryer exhaust outlet and the other for attachment to a wall inlet. Each duct has a swivel connection to its respective elbow connector, using a sleeve which interfits with the elbow connector by a peripheral projection and recess arrangement. Each duct can also be interfit with another such duct. The two ducts can be attached respectively to an dryer and a wall spaced from each other, and are vertically self supporting, whereby when the dryer is moved adjacent the wall, a person can readily telescopically interconnect the ends of the ducts over the top of the dryer. One or more pieces of the duct may be used to span the distance between the dryer and the wall outlet.

REFERENCES:
patent: 1845882 (1930-12-01), Litschge
patent: 2511335 (1950-06-01), Guarnaschelli
patent: 2707117 (1955-04-01), Fentress et al.
patent: 2823703 (1955-07-01), Nusser, Jr.
patent: 2936185 (1956-03-01), Olsen et al.
patent: 3731711 (1973-05-01), Bauer
patent: 4081915 (1978-04-01), Materniak

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