Porthole assembly for a swimming-pool wall

Details Porthole assembly for a swimming-pool wall Porthole assembly for a swimming-pool wall

1984-09-12

1986-05-06

Nelson, Peter A.

Illumination

With liquid container

362267, 362318, F21V 3300

Patent

active

045875995

ABSTRACT:
The disclosure herein describes a porthole assembly adapted to be mounted in registry with an opening in a swimming-pool wall; the assembly comprises a lamp unit holder ring mounted to the outer face of the wall and a transparent cover plate disposed on the inner face of the swimming pool wall. The elements which secure the holder ring and the cover plate to the wall have tool-engaging ends accessible from outside the pool; their opposite ends are received in a water-tight arrangement on the cover plate so as to avoid all contact with the water of the pool. The engagement of the lamp unit to the holder ring is such that the light emitted is directed towards the bottom of the pool. The porthole assembly may be mounted to the wall of an above-ground swimming-pool as well as to an in-ground swimming-pool.

REFERENCES:
patent: 1792398 (1931-02-01), Rothen
patent: 3192379 (1965-06-01), DeGarmo
patent: 3339066 (1967-08-01), Hart
patent: 4107768 (1978-08-01), Lemkin
patent: 4219871 (1980-08-01), Larrimore
patent: 4368508 (1983-01-01), Gantenbrink
patent: 4394716 (1983-07-01), Campagna et al.
patent: 4450511 (1984-05-01), Micha

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