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US 7,461,667 B2Granted
Rib structure of a two-layer cover umbrella
OwnerChin Sung Koinventor
Life of this patent
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Abstract
The invention relates to a rib structure of a two-layer cover umbrella, which mainly includes an elastic rib having an inner folded end. A connector of a related primary rib of the umbrella is provided with an aperture, for that the inner folded end of the elastic rib is penetrated into the aperture and connected with a lateral rod of the connector. The elastic rib will be then extended outward alone the upper surface of the primary rib smoothly for connecting the upper cover and providing a utilized umbrella with two covers.
Claims2
A two-layer cover umbrella including a rib structure, the rib structure comprising:
- an elastic rib having an inner folded end,
- a primary rib,
- a connector provided with an aperture in an upper surface thereof, said connector forming a first section and a sleeve integrally formed with said first section, said sleeve of said connector receiving said primary rib,
- wherein the inner folded end of the elastic rib is inserted into the aperture and has a folded portion extending downward and rearward to a rear side of said first section opposite the sleeve and is connected by a lateral rod within said first section of said connector, and the elastic rib being thereby extended outward along an upper surface of the primary rib.
1 more element
Dependencies are inferred from the claim text.