Anchoring device

Details Anchoring device Anchoring device

1993-06-22

1994-10-25

Taylor, Dennis L.

Supports

With means to facilitate installation, repair, or...

For ground insertion

52157, 248530, 248533, 405244, F16M 1300

Patent

active

053582098

ABSTRACT:
An anchoring device for use on the shaft of a beach umbrella or the like, including a conical member that tapers to a rounded point and around which is spirally wound a constant pitch asymmetric buttress-type thread whose upper surface is perpendicular to the long axis of the conical member.

REFERENCES:
patent: 2103948 (1937-12-01), Jones
patent: 2441109 (1940-11-01), Carlson
patent: 2603319 (1952-07-01), Dyche
patent: 2628797 (1951-06-01), Campomar
patent: 3736711 (1973-06-01), Thornbrugh
patent: 4778142 (1988-10-01), Roba
patent: 4819904 (1989-04-01), Shpigel
patent: 4832304 (1989-05-01), Morgulis
patent: 5046699 (1991-09-01), Perreault et al.
patent: 5122014 (1992-06-01), Genfan
patent: 5156369 (1992-10-01), Tizzori

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