Automatically collapsible umbrellas

An automatically collapsible umbrella, comprising a main function body formed by a combination of all umbrella shall, consisting of an inner tube and all outer tube, a mandrel, a positioning rod, and springs, with an umbrella rib assembly by means of a holding ring and runner;

• and characterized in that:
• (A) insider the umbrella handle is control mechanism comprising
• a main body located inside the handle having a rectangular hole formed on one side which is in a position corresponding to a rectangular opening on the umbrella handle that receives a button;
• two elongated grooves formed in the main body being perpendicular to the hole on the main body to engage with two corresponding lock plates;
• the upper ring-shape lock plate having an outward projection being capable of receiving a spring and having the opposite ringside to contact with inner face of the button;
• an inward tongue formed related to the projection;
• the lower lock plate being similar to the upper lock plate having a projection with a spring, a ringside contacting with inner face of the button, and a related tongue with curving face;
• the ringside being wider than the ringside of the upper lock plate;
• (B) the runner having a downward extending plate and an engaging groove on its other side;
• when assembling, the inner tube with a sleeve being connected to the control mechanism wherein the tongue of the lower lock plate is inserted into the inner tube and the sleeve.