Four-folded umbrella with solid ribs

Abstract

The invention relates to an improved rib structure for using in a four-folded umbrella. The character of the present invention includes a solid first rib, a solid second rib, a solid third rib, and a solid tail rib. Accompanying with branch ribs and elastic ribs, the assembled umbrella can have a small closed volume by use of every rib to be closed to a shaft of the umbrella. Hence, the present umbrella can be used more conveniently and effectively.

1 . A four-folded umbrella with solid ribs including a solid first rib, a solid second rib, a solid third rib, and a tail rib;
 a connector being provided to pivot the outer end of the first rib and the inner end of the second rib,   a branch rib having its fork end connect to a middle portion of the first rib, a solid auxiliary rib having its one end connect to the branch rib and its other end connect to an end of a connector for that the auxiliary rib is parallel to the first rib,   the second rib having its outer end connect to a joint, which connects to an inner end of the third rib,   the third rib having its outer end connect to a joint, which is connected to an inner end of the tail rib,   an elastic rib having its one end connect to an outer portion of the first rib and the other end to the joint, and a loop being provided to hook the elastic rib on the second rib, and   another elastic rib being provided between two ends of the third rib and having a loop for being hooked on the third rib.