Multiple-fold automatic umbrella with smoothly wound multiple-rope
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United States of America Patent
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Sep 30, 2003
Grant Date -
Oct 24, 2002
app pub date -
Apr 18, 2001
filing date -
Apr 18, 2001
priority date (Note) -
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Abstract
A multiple-fold automatic umbrella includes: a central shaft; a rib assembly pivotally secured to an upper notch and a lower runner on the central shaft; an opening spring and a plurality of closing springs for opening or closing the umbrella; and a control device including a push button, an opening controller having an upper latch for controlling the opening of the umbrella, a closing controller including a lower latch for controlling the closing of the umbrella, and a multiple-fold rope respectively sinuously wound on a plurality of rollers which are respectively mounted on an upper holder formed on an upper portion of the central shaft adjacent to the upper notch and on a lower holder formed on the lower runner for smoothly winding the rope on the rollers for enhancing a smooth opening or closing operation of the umbrella.
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