| 摘要 |
<p>The waterbed filling unit, of the present invention, embodies a tapered, water-delivery tube adapted for insertion into the male-threaded filler neck of a waterbed in jam relation, the then outer end of the tube having a fixed, femalethreaded fitting thereof adapted for coupling with the malethreaded fitting of a garden hose, and a female-threaded, nuttype fitting rotatably surrounding the tube intermediate its ends and adapted for coupling with said male-threaded filler neck; there being an annular, external, stop flange on the tube within the confines of said rotatable fitting, and the latter clamping said stop flange against the upper end of the filler neck whereby to maintain such jam relation and prevent separation of the tube from the filler neck.</p> |
