Water skiing boom

Details Water skiing boom Water skiing boom

1992-07-15

1993-09-07

Swinehart, Edwin L.

Ships

Towing or pushing

Towing by means of cable

114343, B63B 2156

Patent

active

052419215

ABSTRACT:
A shaft of water ski boom has a grip portion comprised of a tapered subsection around which is a somewhat compressible polyvinyl chloride sleeve having a thickness tapering in the opposing direction to the shaft, to provide a constant diameter grip. Another shaft subsection has a harder vinyl sleeve where the shaft contacts the boat gunnel. A resilient polyester coating covers the rest of the shaft. The polymer layers are applied by liquid and powder processes using combined curing cycles.

REFERENCES:
patent: 3303813 (1967-02-01), Collins et al.
patent: 3390658 (1968-07-01), Jelks
patent: 3669738 (1972-06-01), Cottis et al.
patent: 4237186 (1980-12-01), Ingraham
patent: 4312162 (1982-01-01), Medney
patent: 4480577 (1984-11-01), Naypaver
patent: 4597346 (1986-07-01), Pollard
patent: 5000109 (1991-03-01), Anderson
Bart's Catalog, Circa 1991, p. 33.
Barefoot International Catalog, 1992, pp. 1-4.
Spray Marine, Inc. Advertisement, 1992.
Hydronetics, Advertisement, May '91, Water.
Overton's Catalog, 1990, p. 48 Fragment.

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