Underwater light assembly with annularly flared re-entrant wall

Details Underwater light assembly with annularly flared re-entrant wall Underwater light assembly with annularly flared re-entrant wall

1984-08-27

1985-12-03

Nelson, Peter A.

Illumination

Light source and modifier

With sealing means or artificial atmosphere

362318, 362365, 362294, 362390, F21V 2900

Patent

active

045569339

ABSTRACT:
In an underwater pool or spa light assembly for retaining an annular lens gasket and light housing in position, comprises:
(a) a face ring having a central axis and annular re-entrant wall defining an annular flared portion to seat the gasket assembly, the ring also having retainer structure to retain said light housing which is engageable with the gasket to annularly compress same axially,
(b) and circularly spaced tabs on the ring and projecting generally axially beyond the edge of the annularly flared portion to peripherally position the gasket, blocking radially outward extrusion thereof when compressed by the housing.

REFERENCES:
patent: 3840735 (1974-10-01), Chan
patent: 3914592 (1975-10-01), Maxey
patent: 4234819 (1980-11-01), Maxey
patent: 4410931 (1983-10-01), DeCandia et al.
patent: 4433366 (1984-02-01), Wade
patent: 4460944 (1984-07-01), Gordbegli et al.
Purex Publication "Parts Replacement Guide".

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