Portable water filter having an inlet conduit with a weight and

Details Portable water filter having an inlet conduit with a weight and Portable water filter having an inlet conduit with a weight and

1993-08-18

1994-07-19

Dawson, Robert A.

Liquid purification or separation

Structural installation

Geographic

2102421, 210316, 210419, 210463, B01D 2708

Patent

active

053306406

ABSTRACT:
A water filter including an inlet assembly which comprises a prefiltering foam tip. The inlet hose includes an adjustable float and a weight on the end of the hose which allows a given length at the end of the inlet hose to extend below the surface of the water being filtered. The water filter further includes a check valve assembly to relieve pressure buildup inside the pump. A unique lever-action handle, in combination with a rocking piston, allows efficient filtering with few moving parts. The filter components are easily replaceable. The main filter assembly is suspended resiliently at its periphery to provide shock-absorbing characteristics. The filter also includes an adaptor base which allows for a direct connect between the vessel into which water is filter. The water filter also provides a unique method of storing the inlet hose to render the water filter easy to carry and prevent foreign objects and debris from entering into the area of working parts.

REFERENCES:
patent: 154158 (1874-08-01), Spooner
patent: 291285 (1884-01-01), Breese
patent: 3060119 (1962-10-01), Carpenter
patent: 3120491 (1964-02-01), Kincaid
patent: 3937662 (1976-02-01), Bartik
patent: 4224162 (1980-09-01), Ayroldi
patent: 4324656 (1982-04-01), Godar
patent: 5052855 (1991-10-01), Chapman et al.
patent: 5120437 (1992-06-01), Williams

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