Pocketable folding umbrella with foldably sandwiched ribs

Details Pocketable folding umbrella with foldably sandwiched ribs Pocketable folding umbrella with foldably sandwiched ribs

1996-06-10

1997-04-01

Mai, Lanna

Tent, canopy, umbrella, or cane

Umbrella

Nonsymmetrical, axially offset, or inclined canopy

135 251, 135 28, 135 37, A45B 1100

Patent

active

056156979

ABSTRACT:
A pocketable folding umbrella Includes: a slim upper notch secured on an upper portion of a central shaft; a slim lower runner slidably held on the central shaft; two extremity rib sets respectively pivotally secured to two extremity portions of the upper notch and the lower runner; four flat-side rib sets respectively pivotally secured to two flat-side portions of the upper notch and the lower runner; an umbrella cloth secured on the rib sets; a plurality of folding springs each secured on the rib set for resiliently retracting the rib sets for minimizing a folding volume of the rib sets: and a narrowing member formed or secured to the upper notch and having a pair of U-shaped recesses disposed on two opposite end portions of the narrowing member for guiding the rib sets as being folded from an opening umbrella and storing the folded rib sets within the two U-shaped recesses for greatly minimizing the folding volume for forming a miniature slim pocketable foldable umbrella,

REFERENCES:
patent: 3837352 (1974-09-01), Weber
patent: 4474200 (1984-10-01), Kida
patent: 5263505 (1993-11-01), Yeom
patent: 5355903 (1994-10-01), Haddad et al.
patent: 5533535 (1996-07-01), Lin et al.

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