Patent ID: 6016822
Filing Date: 2000-01-25
Classification: A45B

Abstract:
An automatic umbrella comprising:a central shaft means including: a lower tube having a grip secured therewith, a first middle tube slidably held on said lower tube, a second middle tube slidably held on said first middle tube, and an upper tube slidably held on the second middle tube having an upper notch fixed on a top of the upper tube;a rib assembly including at least a top rib pivotally secured to the upper notch, a stretcher rib pivotally connected to the top rib and a lower runner slidably held on the upper tube, a middle rib pivotally connected to said stretcher rib and said top rib by an inner connecting rib, a tail rib connected to the middle rib by an outer spring rib and an outer connecting rib coupled to said outer spring rib by a coupling, and an inner spring rib juxtapositioned to said middle rib and connected between the stretcher rib and the outer connecting rib;an opening spring resiliently retained in said central shaft means for opening the umbrella;a plurality of closing springs resiliently retained on said rib assembly for closing the umbrella; anda control means including a push button resiliently held in the grip, an upper latch normally locking the rib assembly and the central shaft means at a closed state and operatively actuated for extending the rib assembly and the shaft means for opening the umbrella, a closing controller having a lower latch formed on an anti-false operation safety means resiliently held in the grip and the lower latch operatively depressible by the push button for unlocking a locking head for closing the umbrella from an opened umbrella, said locking head secured to a drag rod coupled to a drag rope; with said drag rope having an inner rope section directed from an inner rope end coupled to said drag rod inside the shaft means and wound on an upper guiding roller rotatably mounted on an upper portion of the upper tube, and having an outer rope section of said drag rope downwardly directed from said upper guiding roller to be wound on a lower guiding roller rotatably mounted on said lower runner and then deflected upwardly to be wound on an uppermost guiding roller rotatably mounted on a top of said upper tube above said upper guiding roller and finally deflected downwardly to have an outer rope end fixed on said lower runner.