Disposable umbrella

Details Disposable umbrella Disposable umbrella

1981-01-21

1983-02-01

Skogquist, Harland S.

Tent, canopy, umbrella, or cane

Umbrella

Having quick assembly feature

A45B 1300

Patent

active

043709931

ABSTRACT:
Cheap umbrella for a limited number of utilizations. Its canopy (1) is formed from a roughly rectangular blank provided with parallel folding lines for folding alternately inwards (3) and outwards (4), bounding pleats (5) between them of constant width except for the end flanges (6) which are narrower than this width and a center rectangular area (2) the width of which amounts to more than twice the width of one pleat (5). The parts acting as forks are formed by two flat vanes (18) of cardboard or similar material shaped like a half-oval hinging on fastening and hinge pieces (16) on the slide (15) and also hinging in the said glued flanges (6), and by two tabs (20) hinging through two transverse grooves (21, 22) and fastened on the slide (15) and on the inner face of the center rectangular panels (2).

REFERENCES:
patent: 1752821 (1930-04-01), Timblin
patent: 1924427 (1933-08-01), Williams
patent: 2385937 (1945-10-01), Piechowski
patent: 3205904 (1965-09-01), Kreachbaum

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