Rib structure of a two-layer cover umbrella

Details Rib structure of a two-layer cover umbrella Rib structure of a two-layer cover umbrella

2006-08-22

2008-12-09

Yip, Winnie (Department: 3636)

Tent, canopy, umbrella, or cane

Umbrella

Ribs and stretchers

C135S025310, C135S033700

Reexamination Certificate

active

07461667

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.

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patent: 7174906 (2007-02-01), Ko
patent: 2007/0209691 (2007-09-01), Lin

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