Umbrella with rounded rib terminals

Details Umbrella with rounded rib terminals Umbrella with rounded rib terminals

1994-04-26

1995-03-07

Mai, Lanna

Tent, canopy, umbrella, or cane

Umbrella

Ribs and stretchers

135 332, A45B 2500

Patent

active

053948963

ABSTRACT:
An umbrella has an elongate shaft, a web member, and a foldable support linkage for enabling an opening of the umbrella from a collapsed storage configuration to an opened use configuration and for supporting the web in the opened configuration of the umbrella. The foldable linkage is connected to the shaft and to the web member and has a plurality of radially extending ribs angled with respect to each other. The foldable linkage also includes a plurality of elongate flexible tie members each connected at opposite ends to free ends of adjacent ones of the ribs. The tie members have central arcuate portions which are inserted into an annular pocket formed at the periphery of the web by an inwardly turned flange. The flange is stitched or otherwise connected to a main body of the web member at circumferentially spaced locations on concave sides of the central arcuate portions.

REFERENCES:
patent: 628006 (1899-07-01), Hofrichter
patent: 989416 (1911-04-01), Raber et al.
patent: 1431775 (1922-10-01), Cannon, Jr. et al.
patent: 1693536 (1928-11-01), Woodley
patent: 2531735 (1950-11-01), Jones
patent: 4061154 (1977-12-01), Cox et al.
patent: 4084600 (1978-04-01), dePolo
patent: 5226438 (1993-07-01), Dubinsky
patent: 5305771 (1994-04-01), Wilk

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