Positioning structure of an auto-umbrella

Abstract

The present invention relates to a positioning structure of an auto-umbrella, which includes an improved shaft around a shaft and a notch connecting with a frame. The characteristic is that the runner is provided with an engaging hook connected with a sleeve, and the engaging hook has its upper end to be a protrusion and has its lower end to connect with an inner spring. The notch is provided with an engaging piece having a flat edge to engage with the protrusion of the hook for positioning the umbrella in secure when the umbrella will be used for a period of time.

What is claimed is:  
     
         1 . A positioning structure of an auto-umbrella including a shaft, a runner received around the shaft, an upper notch, and connecting frames to assemble an umbrella being able to be opened or closed automatically; the characteristic is that the runner being provided with an engaging hook connected with a sleeve, which is received around the runner while a coil spring is put therebetween, and the engaging hook having its upper end to be a protrusion and has its lower end to connect with an inner spring; the notch being provided with an engaging piece having a flat edge to engage with the protrusion of the hook for positioning the umbrella in secure.