Waterbed drain fitting

Details Waterbed drain fitting Waterbed drain fitting

1993-12-06

1994-12-06

Grosz, Alexander

Beds

Bedclothing

And means to facilitate changing thereof

5918, 138103, 138110, 141 65, A47C 2708, A47C 3100

Patent

active

053698231

ABSTRACT:
A drain fitting for inflatable structures having thin flexible exterior walls defining fluid-containing interior spaces; the filling includes an elongate drain tube with an outer downstream end and an inner upstream end, a coupling port at the outer end of the tube; a closure part releasably engaged with the coupling part; an elongate fluid-conducting support with an outer downstream end and an inner upstream end, a control flow passage and radial openings; a mounting part between and connecting the inner end of the tube and outer end of the support in fluid-conducting relationship, the fitting is to be related to an inflatable structure with its mounting part affixed to a wall thereof, its tube at the exterior thereof and its support in the interior thereof to maintain adjacent portions of walls of the structure spaced apart.

REFERENCES:
patent: 790971 (1905-05-01), Nicholls
patent: 4332044 (1982-06-01), Houk, Jr.
patent: 4509218 (1985-04-01), Rhoton
patent: 5036890 (1991-08-01), Whaley
patent: 5090075 (1992-02-01), Larson
patent: 5203808 (1993-04-01), Ide
patent: 5226186 (1993-07-01), Boyd

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