Orifice drain stop

Details Orifice drain stop Orifice drain stop

1996-03-01

1998-01-20

Shoap, Allan N.

Receptacles

Closures

Closure penetrated through intersecting slits

215355, 220DIG19, 137849, 296208, 296408, B65D 5100

Patent

active

057093091

ABSTRACT:
A sound attenuating drain stop for an orifice in an automotive floor pan has a resilient plug portion disposed in the orifice and a drainage bore extending axially therethrough, an annular groove for receiving the body panel so as to secure the plug portion thereto, and a compliant element completely obstructing the bore and selectively unobstructing cross-sectional areas of the bore in response to weight variation of fluid thereabove. The compliant element has a resilient, three-legged bridge member spanning the bore and deflectable under the weight of a first predetermined quantity of fluid to drain fluid above the element, and three pie-shaped flexible flaps defined by the bridge member and extending from an interior surface of the bore to the bridge member, the flexible flaps deflectable under the weight of a second predetermined quantity of water when the bridge member is undeflected.

REFERENCES:
patent: 2897835 (1959-08-01), Philippe
patent: 3122156 (1964-02-01), Kersh
patent: 3199457 (1965-08-01), Smart
patent: 3701560 (1972-10-01), Emmerson
patent: 4176877 (1979-12-01), Schulz et al.
patent: 4262701 (1981-04-01), Beacom
patent: 4700981 (1987-10-01), Seyler
patent: 4762308 (1988-08-01), Geno

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