Supports – With means to facilitate installation – repair – or... – For ground insertion
Patent
1987-10-27
1989-04-11
Foss, J. Franklin
Supports
With means to facilitate installation, repair, or...
For ground insertion
248156, 248530, F16M 1300
Patent
active
048199044
ABSTRACT:
A support device for fitting to the end of a tubular member, such as an umbrella pole. It includes a cone-shaped body having a base and a pointed tip. An external screw-thread extends spirally on the cone-shaped body. A cylindrical connection member extends from the base of the cone-shapoed body and is adapted to be fitted into an open end of a tubular member. Two substantially flat surfaces extend from the base to the tip and define an acute angle between them and interrupt the screw-thread formation into interrupted thread sections. At least one connection recess is provided in the cylindrical member for receiving an associated projecting part extending from a tubular member, such as a lower end of an umbrella pole, for locking engagement therewith.
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patent: 4249715 (1981-02-01), Repp
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Berzack Jeffrey C.
Shpigel Leonid
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