US2005211283A1PendingUtilityA1

Reinforced rib of a three-folded umbrella

27
Individually held — no corporate assignee on recordPriority: Mar 24, 2004Filed: Mar 24, 2004Published: Sep 29, 2005
Est. expiryMar 24, 2024(expired)· nominal 20-yr term from priority
Inventors:Cheng Min Lai
A45B 19/10
27
PatentIndex Score
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Claims

Abstract

The invention relates to a reinforced rib of a three-folded umbrella, which is provided with a reinforced rod in the second rib of the frame. The second rib is then to obtain a perfect strength for resisting strong wind and can be effectively used since damage is prevented. The umbrella will be obviously more utilized for use.

Claims

exact text as granted — not AI-modified
1 . A reinforced rib of a three-folded umbrella having three-rib to compose a frame of the umbrella, wherein the improvement is to provide a reinforced rod being received and engaged within the second rib of the frame.  
   
   
       2 . A reinforced rib of a three-folded umbrella as claimed in  claim 1 , wherein the reinforced rod has a U-shaped cross section.  
   
   
       3 . A reinforced rib of a three-folded umbrella as claimed in  claim 1 , wherein the cross section of the reinforced rod can be circular, semi-circular, D-shaped, triangle, W-shaped, V-shaped, or M-shaped.  
   
   
       4 . A reinforced rib of a three-folded umbrella as claimed in  claim 1 , wherein the umbrella is collapsible either manually or automatically

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