Rib structure of a four-folded umbrella

Abstract

The present invention relates to a rib structure of a four-folded umbrella, which includes a first rib, a second rib, a third rib, and a tail rib and is connected with a shaft. The characteristic is to provide a connector at the outer end of the third rib and a branch rib, and the connector can bond the third rib and the tail rib that provides the umbrella rib structure to be a perfect arched outlook as it is opened.

What is claimed is:  
     
         1 . A rib structure of a four-folded umbrella including a first rib, a second rib, a third rib, and a tail rib and is connected with a shaft; the characteristic is to provide a connector at the outer end of the third rib and a branch rib, and the connector having a pair of connecting slice to connect with both sides of a receiver mounted at an inner end of the tail rib.  
     
     
         2 . The rib structure of a four-folded umbrella as claimed in  claim 1 , wherein a loop is provided at the outer end of the third rib and the branch rib and has a connecting piece connecting with a receiver mounted at an inner end of the tail rib.