Abstract: An illuminating umbrella grip includes a cassette LED illuminating unit detachably mounted in a holder formed on the umbrella grip, with the LED illuminating unit operatively depressed for a constant or flashing illumination; and upon withdrawal of the LED illuminating unit from the umbrella grip, it may be operated to produce illuminating warning signal for safety purpose, or it may be replaced with a fresh LED unit as fully powered.

Abstract: An anti-windforce rib assembly of multiple-fold umbrella includes: a spring rib connected between an inner rib and an outer rib of the rib assembly, a buffer device formed on the spring rib and connected to the inner rib, whereby upon blowing of a strong wind to the rib assembly, the force of the strong wind will be dampened, weakend or released by the buffer device on the spring rib to minimize the wind force acting upon the rib assembly to prevent from bending, deformation, breakage or damage of the umbrella rib assembly.

Abstract: A golf bag umbrella includes a central shaft having a bending portion formed on the shaft, a rib assembly pivotally secured to the central shaft having an umbrella cloth secured on the rib assembly, with the rib assembly including at least a top rib pivotally secured to an upper notch formed on a top of the shaft and a stretcher rib pivotally secured between the top rib and a runner sliding on the shaft having the runner approximating the upper notch to form a crescent configuration between the top rib and the stretcher rib for forming a big dome space beneath the umbrella cloth without tangling the movement of the golf clubs when pulled outwardly from the golf bag, whereby upon bending of the central shaft at the bending portion, the umbrella cloth and the rib assembly may be temporarily tilted to allow an easy withdrawal of the golf club from the golf bag without any obstruction.

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.

Abstract: An umbrella includes: a spring catch secured on an upper portion of a central shaft of the umbrella, and a runner slidably held on the central shaft to be engaged with the spring catch when opening the umbrella, with the spring catch juxtapositionally positioned and operated outside the central shaft without cutting a catch slit or slot through a tube of the central shaft as found in a conventional umbrella having the spring catch retained within the central shaft and protruding outwardly through the catch slit for locking the runner, thereby enhancing the strength of the tube of the central shaft and prolonging the service life of the umbrella.

Abstract: A multiple-fold automatic umbrella includes: a central shaft, a rib assembly including a top rib, a stretcher rib, at least an intermediate rib and a tail rib pivotally connected one another and pivotally connected to the central shaft, an opening spring, a plurality of closing springs and a control device for controlling the opening and closing of the umbrella; with the intermediate rib formed by extrusion molding process to have a cross section of two-lobe shape having an inner joint and an outer joint respectively connected on opposite ends of the intermediate rib for pivotally connecting inner and outer ribs of the rib assembly for obtaining a light-weight and proper strength of the rib assembly.

Abstract: An anit-windforce rib assembly of multiple-fold umbrella includes: a spring rib connected between an inner rib and an outer rib of the rib assembly, a buffer device formed on the spring rib and connected to the inner rib, whereby upon blowing of a strong wind to the rib assembly, the force of the strong wind will be dampened, weakened or released by the buffer device on the spring rib to minimize the wind force acting upon the rib assembly to prevent from bending, deformation, breakage or damage of the umbrella rib assembly.

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.

Abstract: An umbrella includes: a flat upper notch formed on a top of a central shaft and a flat lower runner slidably held on the central shaft for pivotally securing a plurality of ribs between the upper notch and the lower runner, either the upper notch or lower runner having four ribs pivotally secured to a narrow right side portion of the upper notch or the lower runner, and having three ribs pivotally secured to a narrow left side portion of the upper notch or the lower runner, thereby decreasing the separating angle between every two opposite ribs disposed on a wide front or rear side portion of the upper notch or the lower runner for smoothening the folding operation when closing the umbrella and also for enhancing the strength of the umbrella ribs.

Abstract: A rib assembly for multiple-fold umbrella includes: a top rib pivotally secured to an upper notch on a top of a central shaft, a stretcher rib pivotally secured between the top rib and a lower runner slidably held on the central shaft, an intermediate rib pivotally securable to the top rib or the stretcher rib, and a tail (or outer) rib pivotally connected to the intermediate rib; wherein either the top rib or the stretcher rib is formed as a lotus-shape rib when opening the umbrella; and upon opening of the umbrella, the lotus-shape ribs will be arcuately bent to store their resilience; and upon closing of the umbrella, the lotus-shape ribs will restore to release their resilience energy to automatically close the rib assembly. The rib assembly plays double duties both for supporting the umbrella cloth on the ribs and also for serving as “closing springs” for automatically closing the umbrella by eliminating the installation of closing springs on the rib assembly.

Abstract: A double-story umbrella includes an upper umbrella formed by an upper umbrella cloth; a lower umbrella having a shaft and a rib assembly pivotally secured to the shaft for securing a lower umbrella cloth on the rib assembly; a plurality of detachable restorable buckling devices each coupling the upper umbrella cloth with the lower umbrella cloth; and a supporting device adjustably detachably secured on a lower portion of the shaft and operatively anchored on or under a ground for stably erecting the shaft and the double-story umbrella.

Abstract: An umbrella includes: a flat upper notch formed on a top of a central shaft and a flat lower runner slidably held on the central shaft for pivotally securing a plurality of ribs between the upper notch and the lower runner, either the upper notch or lower runner having four ribs pivotally secured to a narrow right side portion of the upper notch or the lower runner, and having three ribs pivotally secured to a narrow left side portion of the upper notch or the lower runner, thereby decreasing the separating angle between every two opposite ribs disposed on a wide front or rear side portion of the upper notch or the lower runner for smoothening the folding operation when closing the umbrella and also for enhancing the strength of the umbrella ribs.

Abstract: A safety runner of a foldable umbrella includes a runner body slidably held on a central shaft of the umbrella, and an actuating sleeve slidably coupled with the runner body having a thrusting protrusion formed on the actuating sleeve for engaging a sloping portion formed on a spring catch, which is resiliently held on the central shaft for locking the runner when opening the umbrella; whereby upon a downward movement of the runner by cooperatively pulling the actuating sleeve downwardly, the thrusting protrusion on the actuating sleeve will thrust the sloping portion of the spring catch inwardly to disengage the spring catch from the runner, thereby allowing a smooth operation for closing the umbrella.

Abstract: A multiple-fold automatic umbrella includes: a central shaft, a rib assembly including a top rib, a stretcher rib, at least an intermediate rib and a tail rib pivotally connected one another and pivotally connected to the central shaft, an opening spring, a plurality of closing springs and a control device for controlling the opening and closing of the umbrella; with the intermediate rib formed by extrusion molding process to have a cross section of two-lobe shape having an inner joint and an outer joint respectively connected on opposite ends of the intermediate rib for pivotally connecting inner and outer ribs of the rib assembly for obtaining a light-weight and proper strength of the rib assembly.

Abstract: A catch-free umbrella includes: a central shaft, a rib assembly pivotally secured to the shaft and an umbrella cloth secured on the rib assembly; with the rib assembly having a plurality of top ribs pivotally secured between an upper notch formed on the shaft and a plurality of stretcher ribs pivotally inclinedly secured to a runner slidably held on the shaft; and the top ribs radially arcuately bent to form a lotus-shape arrangement when opening the umbrella to form an upward force fraction acting on the runner for lifting the runner and the rib assembly without gravitational descending; whereby upon closing of the umbrella by initially lowering the runner, the top ribs of lotus-shape arrangement will serve as closing springs for closing the umbrella automatically.

Abstract: A safety runner of a foldable umbrella includes a runner body slidably held on a central shaft of the umbrella, and an actuating sleeve slidably coupled with the runner body having a thrusting protrusion formed on the actuating sleeve for engaging a sloping portion formed on a spring catch, which is resiliently held on the central shaft for locking the runner when opening the umbrella; whereby upon a downward movement of the runner by cooperatively pulling the actuating sleeve downwardly, the thrusting protrusion on the actuating sleeve will thrust the sloping portion of the spring catch inwardly to disengage the spring catch from the runner, thereby allowing a smooth operation for closing the umbrella.

Abstract: An umbrella rib assembly includes a top rib pivotally connected with a stretcher rib both being made of aluminum alloy for light weight and easy processing; a middle rib pivotally secured to the stretcher rib and a tail rib pivotally connected with the middle rib, with the middle rib and the tail rib being made of light weight carbon-fiber-reinforced plastics.

Abstract: A double-story umbrella includes an upper umbrella formed by an upper umbrella cloth; a lower umbrella having a shaft and a rib assembly pivotally secured to the shaft for securing a lower umbrella cloth on the rib assembly; a plurality of detachable restorable buckling devices each coupling the upper umbrella cloth with the lower umbrella cloth; and a supporting device adjustably detachably secured on a lower portion of the shaft and operatively anchored on or under a ground for stably erecting the shaft and the double-story umbrella.

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.

Abstract: A multiple-fold umbrella shaft, consisting of a plurality of tubes telescopically engageable with one another, includes an inner tube having concave quadrants designated as Vi, and an outer tube slidably engageable with the inner tube and having concave quadrants designated as Vo, forming a relationship as defined by a formula of Vi−Vo≧1 in order for preventing twisting and vibration of the tubes and for enhancing a smooth folding or unfolding operation when closing or opening the umbrella.