Umbrella anchoring mechanism

Details Umbrella anchoring mechanism Umbrella anchoring mechanism

1991-09-19

1992-10-06

Friedman, Carl D.

Supports

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

For ground insertion

52157, 135 98, 248156, 248530, 248532, E04H 1528, A45F 344

Patent

active

051524953

ABSTRACT:
A mechanism for anchoring umbrellas that includes a tubular outer member and a helical assembly at the lower end that is driven into the ground through manually imparted rotation through the use of a gear box and handle or battery powered electric motor. Stabilizing members protrude into the ground by the action of a releasable spring. The spring acts on an inner shaft that is co-axially housed within an outer tubular member. The inner shaft is rigidly mounted at its lower end to a platform member from which the stabilizing members are pivotally mounted. The stabilizing members protrude outwardly and snuggly through angular openings preventing the sand or soil from entering.

REFERENCES:
patent: 809879 (1906-01-01), Wiltse
patent: 906438 (1908-12-01), Lemerand
patent: 1736177 (1929-11-01), Snook
patent: 1907811 (1933-05-01), Hollos
patent: 2580948 (1952-01-01), Pancake
patent: 3011597 (1961-12-01), Galloway et al.
patent: 4850564 (1989-07-01), Padin
patent: 4920897 (1990-05-01), Reed et al.

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