Abstract: A rotating umbrella includes a canopy which serves a fan. The umbrella canopy is formed by a plurality of segmented petals extending radially outwardly in a fan-like fashion, and connected to a hub mounted on a shaft. The shaft includes a drive shaft member coupled to a second shaft member which connected to the hub at its upper end, wherein the drive shaft member is powered by a motor such that it rotates and operatively engages the second shaft member to rotate the hub and the petals of the canopy. The motor and the drive shaft both mounted on a base plate on the ground to stabilize the umbrella. A cooling breeze is produced when the petals are rotated to deter flying insects and to shield a person setting beneath the umbrella from the elements.

Abstract: A collapsible umbrella with a self-opening mechanism is provided. The collapsible umbrella includes a stretchable multi-segment shaft having a top end and a bottom end; an upper fixed hub mounted axially on the top end of the shaft, the upper fixed hub being formed with a plurality of alignment slots and a threaded hole, the threaded hole allowing a finishing cap of either an inner-threaded type or an outer-threaded type to be mounted thereon; a running hub slidably mounted on the shaft; a collapsible frame of a plurality of ribs including a set of upper ribs, a set of inner branch ribs, a set of middle branch ribs, a set of linkage ribs, and a set of outer branch ribs, wherein each of the middle branch ribs is formed with a substantially U-shaped cross section to form a slot and integrally formed with a retaining piece; a fabric held on the collapsible frame; and elastic means which allows the collapsed umbrella to be thereafter expanded in a self-opening manner.

Abstract: An umbrella includes an improved frame consisting of ribs, stretchers, stretcher extensions and position members, and then assembled with a support rod, a lower panel and an upper panel. The ribs, the stretchers and the stretcher extensions are assembled together with the position members and pivots so as to become collapsible and extensible to form two layers of panels. The upper panel and the lower panel form a gap between them for a wind to blow out. The combination of the upper panel and lower panel coupled to the finish frame for preventing collapse of the umbella when a wind force is applied.

Abstract: A flattened folding umbrella, having two sets of terminal rib devices and four sets of side rib devices, each rib device comprising of inside main rib, middle main rib, outside main rib, branch rib, inside connecting rib, middle connecting rib, middle joint, and outside joint that are mutually joined together, wherein each set of terminal rib device is formed by compressing an appropriate location of the originally U-shaped groove of the branch rib to form a stop of narrow-opening groove to prevent the inside connecting rib that is joined to said branch rib from being accommodated in said branch rib, so that when the umbrella is folded, relatively the outside terminal of said inside connecting rib and its connected middle joint are inclining slightly outwardly; besides, the outside terminal of said inside connecting rib is also designed to have a larger outward inclining obtuse angle, or an appropriate location of the U-shaped groove of the middle main rib is compressed to form a stop of narrow-opening groove

Abstract: A windproof umbrella having an improved rib linkage system which is effective for providing support for an umbrella canopy during normal operating conditions, which is capable of restoring the umbrella to a normal open water-shielding configuration after the canopy has been inverted by strong wind or a gust, which is relatively easy to operate, relatively inexpensive to manufacture, and which has relatively good reliability for use during periods of sustained winds or gusts.

Abstract: A garden umbrella includes upper and lower support ribs, a runner sleeved slidably on a pole, stretchers, and connecting rods pivotally interconnecting upper and lower support ribs. Each stretcher has one end pivotally attached to a runner and an opposite end pivotally attached to the corresponding upper and lower support ribs. As such, the pivotal attachments described above constitute a pantograph structure, thereby facilitating convenient stretching and collapsing operations.

Abstract: A fire escape parachute is provided and includes a center shaft, top ribs, stretcher ribs, a main runner, reinforcing ribs, an upper runner, a fabric and a safety belt. The function of the runner is to drive the stretcher ribs which in turn push the top ribs to open the fabric. The reinforcing ribs will tightly pull the outer ends of the top ribs, so that the top ribs are bent downwards to form an arc and such is secured by reinforcing ropes to effectively prevent reverse upward turning of the fabric and the top ribs. Thus, in case of fire in a high-rise building, the fabric can be controlled and opened directly by the escapee, who will use the fire escape parachute to slowly descend from the high-rise building.

Abstract: A rib assembly adapted for use in an automatic umbrella includes: a top rib pivotally secured to an upper notch fixed on a top of a central shaft of the umbrella, a stretcher rib pivotally connected between the top rib and a runner slidably held on the central shaft, a middle rib pivotally secured between the top rib and a rear rib, and a spring rib pivotally connected between the top rib and the rear rib; characterized in that the spring rib has an inner rib portion formed with a convex spring portion overriding on a lug of a pair of lugs which are provided for pivotally connecting the middle rib with the top rib and a concave deflection portion deflecting the convex portion of the spring rib towards a U-shaped groove of the middle rib, thereby exerting spring force on the convex and concave portion for resiliently restoring the rib assembly from an unfolded state to a folded state for quickly closing the umbrella.

Abstract: A table umbrella apparatus including a tubular support member, a hub rotatably mounted at an end of the tubular support member, a fan extending radially outwardly of the hub so as to be in the form of a table umbrella, and a motor connected to the hub for rotating the fan about a longitudinal axis of the tubular support member. A shaft is connected to the motor and is connected to the hub. The shaft extends longitudinally along an interior of the tubular support member. The shaft is supported by bearings interior of the tubular support member. A base is connected to the bottom of the tubular support member so as to support the tubular support member in a vertical orientation. A table is supported around the tubular support member in a horizontal plane. The fan has a plurality of fan blades. Each fan blade has a wire frame having one end connected to the hub and extending outwardly therefrom and a covering extending over the wire frame.

Abstract: In an umbrella, particularly a standing umbrella, sunshade, garden umbrella or similar, with a frame, a roof structure and a canopy, where the roof rods (5) are linked to a pole element (2) bearing a cap (3) and moveable in a telescopic manner relative to the vertical pipe (1), and a slide (4), on which stretchers (6) linked to the roof rods (5) act flexibly, is moveable along the vertical pipe (1), the cap (3) and the slide (4) moving in opposite directions during opening and closing of the umbrella, and with at least one additional stretcher (8) arranged flexibly above the slide (4) between the umbrella pipe (1) and a roof rod (5), the slide (4) being fitted with a locking device (12) with which it can be locked in its upper position and the canopy can be tensioned, it is envisaged that the locking device (12) works in conjunction with a retaining device (13) located on the cap (3) or the moveable pole element (2) to enable simple manual opening of the umbrella and stretching of the canopy, particularly for

Abstract: An umbrella rib and tip arrangement including an umbrella rib having a front end terminating in a plug rod, and a T-cap having an arched transverse head mounted in a pocket at the periphery of an umbrella cover and a circular longitudinal cap body perpendicularly extended from the arched transverse head and capped on the plug rod of the umbrella rib.

Abstract: A multiple-fold automatic umbrella includes a lower runner of the umbrella ribs having a rope guiding member longitudinally formed on the runner provided with two rope grooves in two opposite sides of the rope guiding member for an easy winding of the rope on a roller rotatably mounted on the runner; a coupling spring compressibly retained between a middle shaft and an inner block adjacent to the upper notch of the umbrella ribs; at least an engaging hole formed in a lower portion of the upper shaft having a convex portion curved outwardly from the upper shaft and positioned below the engaging hole for stably engaging a wedge portion of the control device when folding the umbrella; and a resilient rib slidably coupled by a coupling ring to the middle rib and is made to prevent dogging with the coupling ring when the umbrella ribs are bent upwardly by a strong upward wind force.

Abstract: A portable shade umbrella comprises a weighted base having a supporting pole secured in it, with the supporting pole having a curved upper section with a downwardly depending stud attached to the outer end of the curved section for supporting a rib assembly and a canopy, each of which includes central apertures penetrated by the stud and secured to the stud with a nut, which stretches the flexible canopy into a traditional umbrella shape. The length of the supporting pole is adjustable. The canopy includes a plurality of insertion pockets about its perimeter for receiving and retaining the outer ends of the curved ribs.

Abstract: A Windproof umbrella comprising strut, stay, tension member, joint and spoke forming a five member-rib structure, the improvement resides in each strut being formed of a round resilient material; the inner and outer ends of each tension member being bent downwardly to form loops; each joint member having a common axis for pivotally connecting both the outer end of the tension member and the inner end of the spoke and providing with a continued curved portion extending inwardly from the common axis; so that when the umbrella frame is turned inside out the tension members are curved downwardly by virtue of the exended portion of the joint member under tension for urging the joint members upwardly when the slider is pulled downwardly on the shaft, thereby restoring the umbrella to its originally closed condition.

Abstract: A rib assembly for multiple-fold umbrella includes: a top rib as integrally formed by plastic molding process and pivotally secured to an upper notch of a central shaft and having an upper groove and a lower groove respectively recessed in an upper surface and a lower surface of the top rib, a stretcher rib pivotally secured to a lower runner slidably held on the central shaft and pivotally connected to the top rib, an intermediate rib as integrally formed by plastic molding process and pivotally connected between the top rib and a tail rib and having a web portion integrally formed on the intermediate rib for limiting a spring rib, with the spring rib slidably held in a groove recessed in the intermediate rib and pivotally connected between the tail rib and an auxiliary connecting rib pivotally secured between the stretcher rib and the intermediate rib, whereby upon folding of the rib assembly when closing an umbrella from its opening state, the stretcher rib and the auxiliary connecting rib will be received

Abstract: The sunshade has several carrying bars (1) which can be spread in radially directed manner away from a central headpiece and several screening surface structures (17), which are in each case fixed between two carrying bars (1). In order to prevent a sag of the surface structure (17) in the case of incomplete spreading of the sunshade and in order to permit an easy closure to give a compact shape, it is made from pleated awning material, which in the relaxed state and with the sunshade collapsed assumes a pointed, zig-zag cross-sectional shape. In addition, with spring pulls cords (35) extend between the carrying bars (1) in the circumferential direction of the sunshade. Stiff envelope surfaces (14, 15) provided on either side of the carrying bars (1) give a columnar shape to the compact, collapsed sunshade.

Abstract: A skeleton for telescopic umbrella including a shank having a tab, a ring slidably fitted on said shank and having a slot adapted to receive the tab, a fixed collar fixedly mounted at an upper end of the shank, a plurality of expanders pivotally connected with the fixed collar at an end, a plurality of supporters each pivotally connected with a first intermediate portion of one of the expanders at an end, a plurality of first joints each pivotally connected with another end of respective one of the supporters, a plurality of first ribs pivotally connected with the fixed collar at an end and pivotally connected with the first joints at another end, each of the first ribs being pivotally connected with another end of the expanders at a second intermediate portion, a plurality of second ribs fixedly connected with respective first joints at an end, a plurality of second joints each pivotally connected with another end of the second ribs, a plurality of third ribs pivotally connected with respective second joints

Abstract: A clamp assembly for an umbrella tarp as applied on an umbrella frame comprises a two piece end cap and jaw assembly. A first, top section is comprised of a beam having a laterally extending flange therefrom. On the underside of the flange is a series of ribs or teeth forming the top half of the jaw assembly. Also extending laterally from the beam, and below the flange, are a pair of flanges that can be fit within the end of an extension member of an umbrella, forming an end cap. A second, bottom section has corresponding ribs to interconnectedly mate with the ribs of the top section. The bottom section has itself a bottom which conforms to the shape of the extension member of an umbrella frame. The umbrella tarp is placed between the first and section sections and the assembly is secured by screws or rivets into the umbrella frame's extension member.

Abstract: A foldable self-supporting vaulted shell for use in space, the shell comprising a thin flexible membrane and a plurality of thin battens forming ribs for tensioning said membrane. Each of the battens has a first main face and a second main face, one of the main faces facing the membrane. The membrane includes guide pocket for said battens. The guide pocket terminating at at least one end by abutment-forming end-reception means for receiving corresponding ends of the battens, and forming abutments such that in a deployed condition, the ends of the battens transmit axial force to the membrane. As a result tensioning of the membrane occurs. The shell occupies a small volume in its folded condition for storage in a launcher for the purpose of being placed into orbit. Such a shell is suitable for making microwave antennas. The invention also relates to a method of packaging such a shell.

Abstract: An improved umbrella framework having a powerful strutting action is provided. The umbrella framework includes a strut frame member situated at the underside of a first umbrella frame member. The outer end of the strut frame member is connected to the outer end of a second umbrella frame member. The center of the strut frame member is connected to a support strut and the inner end is connected to a center guide. The center guide is installed onto the umbrella pole between a positioning ring and an upper guide. A sliding guide is disposed on the umbrella pole below the positioning ring. The sliding guide is operated to open the umbrella, whereupon the support strut effectively actuates the movement of the commonly connected strut frame member, the second umbrella frame member and the tail umbrella frame member.

Abstract: A sunshade includes a solid shaft, a support rib set, a stretching rib set. The two rib sets are respectively associated with a runner fitted movably around the solid shaft to stretch open or fold close the two rib sets radially disposed. Each support rib of the support rib set being pivotally and crossingly connected with each related stretching rib of the stretching rib set at an end portion of the stretching rib and at an intermediate portion of the support rib. A lower shading canvas is disposed to cover a lower annular portion of the support rib set. An upper canvas is disposed to cover an upper portion of the support rib. An aperture is formed between the upper canvas and the lower canvas after the two rib sets are stretched open to allow strong wind blowing in the interior of the two canvases to escape through the aperture.

Abstract: An improved four-section umbrella framework is provided. The framework includes an attachable flexible frame member having a small slot in the main frame member of the umbrella framework. A connector is positioned inside the main frame member such that the latch ring of the connector protrudes through the small slot on the main frame member and provides for the simple attachment of a hook formed at the end of a flexible frame member to form a secure and practical hook joint.

Abstract: A shortenable umbrella, essentially comprises a strut 2, a stay 3, a link 4, a rod 5, a tension wire 6, a tension link 7, a spoke 8, a rib 9, a first joint member J1 and a second joint member j2 connected each other as shown in FIG. 4 to form one rib assembly of the totally six or eight rib assemblies of a four sectioned shortenable umbrella, characterized by forming two spaced stops (A) and (B) integrally with the rod 5 at the lower edges thereof, disposing a guide ring (R) around the section of the rod 5 defined by the stops and passing the tension wire 6 beneath the groove of the rod 5 through the guide ring (R) to thereby permit the guide ring (R) moving freely along the rod under the action of the tension wire during the closing and opening operations of the umbrella.

Abstract: The tension members in a collapsible umbrella are each provided at the opposite ends with upwardly bent loops that are pivotally connected to a stay and an inner end of a joint member so that when the umbrella is turned inside out by a gust of wind, the tension members are caused to bend downwardly and be stably received within the struts to avoid displacement of the joint members. The downward bending of the tension members place same under considerable tension for urging the joint members upwardly when the umbrella slider is pulled downwardly, thereby restoring the umbrella to its original condition. The joint members are further provided with curved upper portions for permitting the umbrella ribs to cluster more closely around the umbrella shaft for storage.

Abstract: The apparatus has several carrying bars which can be spread in radial manner from a central headpiece (2) and several shielding screen elements (17, 18), which are in each case fixed between two carrying bars. The multipart construction of the carrying bars from longitudinally displaceable, interengaging bar elements (4, 5) makes it possible to slide screen elements (17, 18) over one another, so that the apparatus, when in use, can provide different shielding surface sizes starting from a compact, slid together and collapsed form. By sliding over one another limited light-transmitting screen elements, it is possible to individually adjust the shielding action.

Abstract: An umbrella has an elongate shaft, a web member, and a foldable support linkage for enabling an opening of the umbrella from a collapsed storage configuration to an opened use configuration and for supporting the web in the opened configuration of the umbrella. The foldable linkage is connected to the shaft and to the web member and has a plurality of radially extending ribs angled with respect to each other. The foldable linkage also includes a plurality of elongate flexible tie members each connected at opposite ends to free ends of adjacent ones of the ribs. The tie members have central arcuate portions which are inserted into an annular pocket formed at the periphery of the web by an inwardly turned flange. The flange is stitched or otherwise connected to a main body of the web member at circumferentially spaced locations on concave sides of the central arcuate portions.

Abstract: The invention herein relates to a kind of four-section umbrella strut spreader structure that mainly offers a highly safe and smoothly operating umbrella strut spreader structure to increase overall practicality and which consists of a structural improvement within the strut spreader members through the addition of an upward facing U-shaped opening and a T-shaped guide on the third main strut member, wherein a leaf-type strut member is inserted through the U-shape opening to maintain smooth action during the opening and the folding of the umbrella. Furthermore, the third main strut member can be configured as a S-shaped strut spreader element to reduce the overall physical dimensions of the umbrella strut spreader rear ends.

Abstract: A portable, umbrella-type shelter including a sheet that can be easily stretched to a framework that includes rods removably attached to one end of a jointed post that has a pointed lower end and a weight that slides against a flange on the lower part of the post to drive the pointed end into the ground. The sheet has loops to be hooked over projections near the outer ends of the rods.

Abstract: A multiple-fold mini umbrella includes: a telescopic central shaft, and at least a top rib pivotally secured to an upper notch formed on a top end of the central shaft, a stretcher rib pivotally connected between each top rib and a middle runner, and an auxiliary stretcher rib pivotally connected to a lower runner slidably disposed about the central shaft with the middle runner slidably engageable with a sleeve member of the lower runner having an upper flange formed on a top edge of the sleeve member, and an intermediate rib slidably engageable with the auxiliary stretcher rib and pivotally connected with an outer rib which is pivotally connected to the top rib by a linking rod, whereby when closing an opened umbrella by lowering the lower runner along the central shaft to lower the auxiliary stretcher rib toward the central shaft, the upper flange of the lower runner will pull the middle runner and the pivotally connected stretcher rib and top rib downwardly to retractively centralize all the umbrella ribs

Abstract: The present invention includes an umbrella which converts to at least two separate canopy configurations. The umbrella has a closed position, from which it can be opened and latched into at least one middle position. Such a middle position can be used as a car window shade to shade the car from sun entering the front windshield. Alternatively, the middle position can be a partially opened position latched in place for use as an umbrella in restricted places such as a seat in an open air stadium.

Abstract: The invention relates to a collapsible umbrella having a canopy frame which s collapsible in an at least four-fold manner and a stick (1) which is telescopic in an at least four-stage manner as well as a slide (2) displaceable on this said stick for canopy opening and closing, the canopy linkage comprising a combination of link parallelograms (I, II, III) or lever formations, which is formed from a combination of hollow, U-shaped, flat and round-profiled rod material. In order to make the folded-together umbrella as compact as possible in its cross-section, the invention provides that all the link parallelograms insert into one another so completely, with optimum utilization of the available cavities of the U-profiled canopy rods, that there are no unused empty spaces in the folding bends (K1, K2, K3, K4) of the folded-together formation (FIG. 1).

Abstract: In the case of an umbrella, in particular a stand umbrella, sunshade, garden umbrella and the like, having a framework, a roof construction and an umbrella roof, in which the roof rods (5) are articulated on a pole part (2), which is displaceable telescopically in relation to the stand tube (1) and bears a crown (3), and displaceable along the stand tube (1) is a runner (4), on which supporting struts (6) articulated on the roof rods (5) act in a jointed manner, crown (3) and runner (4) moving oppositely upon opening and closing of the umbrella, for simpler opening of the umbrella and tensioning of the umbrella roof there is provided an auxiliary strut (8), which is jointedly arranged above the runner (4) between umbrella pole (1) and at least one roof rod (5), and the runner (4) is provided with a locking device (12), by which said runner can be arrested in its upper position and the umbrella roof can be tensioned.

Abstract: A tail rib structure comprises a tail rib with its inner end pivotally connected to the outer end of a flexible rib by way of a pin passing through a round hole on a flat portion formed on the inner end of the tail rib and a husk encasing the joint between the tail rib and the flexible rib. The tail rib structure can provide high wind-resistant strength for an umbrella.

Abstract: The present invention includes an umbrella which converts to at least two separate canopy configurations. The umbrella has a closed position, from which it can be opened and latched into at least one middle position. Such a middle position can be used as a car window shade to shade the car from sun entering the front windshield. Alternatively, the middle position can be a partially opened position latched in place for use as an umbrella in restricted places such as a seat in an open air stadium.

Abstract: An umbrella which opens into a noteworthy enlarged expanse due to outer fabric-supporting struts being urged through sliding movement along inner fabric-supporting struts, so that the two fabrics cooperate to provide the enlarged expanse to the umbrella.

Abstract: The invention relates to a strut structure of a folding umbrella having a seamless umbrella cover, which structure makes use of an integrally molded fastener with an open groove provided on the hollow cylindrical body thereof to fix the umbrella cover on the strut. The outside diameter of the strut is slightly smaller than the hole diameter of the fastener and slightly larger than the width of the open groove and so the fastener can be directly pushed inwards from the outside to clamp the strut as well as the umbrella cover, forming a firm engagement. As a result, when the folding umbrella is closed, the umbrella cover made of a single cloth folds inwardly as well for storage.

Abstract: An umbrella has an elongate shaft, a web member, and a foldable support linkage for enabling an opening of the umbrella from a collapsed storage configuration to an opened use configuration and for supporting the web in the opened configuration of the umbrella. The foldable linkage is connected to the shaft and to the web member and has a plurality of radially extending ribs angled with respect to each other. The foldable linkage also includes a plurality of elongate flexible tie members each connected at opposite ends to free ends of adjacent ones of the ribs. The tie members have central arcuate portions which are inserted into an annular pocket formed at the periphery of the web by an inwardly turned flange. The flange is stitched or otherwise connected to a main body of the web member at circumferentially spaced locations on concave sides of the central arcuate portions.

Abstract: A folding umbrella frame is provided which includes an improved frame linkage having a second stick with a recess formed within it and an inclined outer end pivotally secured to a fourth rib member. A first stick member is coupled to a first rib member and includes a second end which is inclined and is pivotally secured to a third rib member. The first rib member has an end which is inclined for pivotal coupling to a central section of a second rib member. The inclined ends of the first rib member, the first stick member and the second stick member reduces the force required to open and close the folding umbrella while the recess receives an end of the first rib member to reduce the volume of the umbrella when in a closed state.

Abstract: A folding umbrella for use in extremely gusty conditions includes spreaders extending between canopy supporting ribs and the umbrella pole which are longitudinally extensible against the action of a spring. The ribs and the spreader are linked to the pole for pivotal movement through one hundred and eighty degrees permitting a strong gust of wind to invert the canopy to extend with the spreaders above the pole thereby spilling the wind. The spreaders include cylinders formed by tubes receiving a helical compression spring and one end of each spreader is formed as a piston rod extending through the spring and having a head at the other end trapping the spring against an end of the tube.

Abstract: A rib structure of multiple-fold umbrella having enchanced strength and allowing to be opened and closed more smoothly characterized essentially in that the outermost end of the inner intermediate main rib is formed into a bifurcated portion within which a back-up joint in U-shaped cross section is pivotally connected for fitting thereinto and the inner end of the outer intermediate main rib is pivotally connected to the back-up joint and the outermost end of the inner intermediate main rib, thereby to increase the strength of the umbrella ribs, and that a back-up resilient part is provided between the inner intermediate main rib and the intermediate linking rib or between the outer intermediate main rib and the outer linking rib such that when opening the umbrella, the ribs are straightened and stretched for smooth unfolding by means of the acting force of the back-up resilient part and linkage of the ribs before the umbrella cloth is subject to external force and, when closing, the ribs can be folded intrin

Abstract: An umbrella canopy mounted to a post structure is arranged to include a base support, wherein the base support directs pressurized air through the post support, that in turn includes a matrix of apertures directed therethrough that are selectively blocked by individuals to permit air flow onto such individuals positioned about an associated table structure relative to the post support.

Abstract: An improved rib linkage joint for an umbrella where the rib linkage includes an inner rib and an inner linking spoke, both hingedly connected to a middle joint, that middle joint being fixed to one end of a middle rib. The inner rib, the inner linking spoke and the middle joint is each in the form of a strut having a U-shaped cross section with the slots thereof facing upward. A flexible middle linking spoke has one end hooked on a pin fixed between the strut side walls of the inner linking spoke adjacent the middle joint. This structure allows easier assembly of the rib linkage joint initially, as well as enhances compactness of the rib linkage when the umbrella is collapsed.

Abstract: An umbrella frame having a pair of mounting rings and frame members which are pivotally connected to each other and to the mounting rings. A frame member having an elongated rod with a notch. A joint assembly is attached to the elongated rod and includes laterally opposed connector halves which mate to form a sleeve over the elongated rod. The sleeve has an inner boss which fits within the notch in the elongated rod when the connector halves are mated over the elongated rod. A collar slides around the mated connector halves to clamp the connector halves together over the elongated rod and to retain the inner boss within the notch in the elongated rod. Strut frame members have an end joint assembly at each end. Rib frame members have an end joint assembly at their inner ends and midpoint joint assemblies at rib midpoints. A mounting ring having a mounting base with a ring of spaced and vertically extending teeth. The frame members are received between the teeth.

Abstract: A raining umbrella is provided as an outdoor play toy for children. Water from a hose flows up through the umbrella handle and sprays out through holes in the spokes which support the umbrella canopy to create "rain" beneath the umbrella.

Abstract: The invention relates to a collapsible umbrella having at least one pair of anopy rod parts (1,2), which extend alongside one another and are guided so as to be displaceable on one another, within each linkage of the canopy-supporting linkage frame. One of the canopy rod parts (2) is composed of wire, and guided on the other rod part (1) by means of a bight (2e) of the wire which embraces the other rod part and is formed with hooks (2f,2g) which can be spread to allow the bight to be fitted transversely on the other rod.

Abstract: An umbrella includes a plurality of top ribs pivotally secured to a notch formed on an upper end of a central shaft and a plurality of stretcher ribs each pivotally secured between each top rib and a runner slidably held on the central shaft, each top rib being embedded with a reinforcing core rod for strengthening the top rib in order to resist an external force acting upon an umbrella cloth secured on the top ribs.

Abstract: An umbrella, having a cover stretched over a plastic folding radial frame which comprises upper, intermediate and lower nest plates respectively mounted on a main shaft for securing a plurality of ribs. The nest plates are identical in structure, each comprised an upper circular member having a plurality of pawls and retaining holes at the bottom respectively engaged with a plurality of retaining holes and pawls on the top of a lower circular member for securing the ribs. The cover comprises a plurality of fastening caps at the corners around its periphery and a plurality of snap fastening elements on each radial line thereof for securing the ribs. Because all the parts are made of plastic material, the umbrella is not electrically conductive and can protect against lightning.

Abstract: An umbrella includes a plurality of ribs for securing an umbrella cloth thereon having at least an intermediate top rib integrally formed with an inner section provided with a downwardly-opened groove in the inner section and an outer section provided with an upwardly-opened groove in the outer section for foldably receiving an inner flexible reinforcing rib into the inner section and for foldably receiving an outer flexible reinforcing rib into the outer section, of which a flexible reinforcing rib is flexibly fastened by a coupling to the intermediate top rib for exerting an elastic force for quickly opening the umbrella for decreasing the chances subjected to attacks by wind or external forces.

Abstract: An automatic umbrella includes a retraction restoring spring having an outer spring end contracted to form a narrow spring portion to be embedded in a concavely depressed stretcher rib and having an inner spring end secured to a top rib of a rib assembly for holding an umbrella cloth for smoothly developing the restoring spring force, and an extending spring formed in the central tubular shaft having an upper spring portion having larger spring diameter to be telescopically held in an upper shaft having larger diameter and a lower spring portion having smaller spring diameter than the upper spring portion to be telecopically held in a lower shaft, thereby causing a smooth tensioning or compression of the extending spring in the upper shaft and the lower shaft when extending or retracting the central tubular shaft.

Abstract: A rib linkage system of the topless type. A stretcher rib connects the umbrella's runner with each cover rib, a support rib connects the umbrella's ferrule with each stretcher rib, and a control link connects each support rib with its associated cover rib. The connection of the support rib with the stretcher rib is by means of a split or bifurcated brace structure that enhances the stability of the linkage system when the umbrella is full opened. The control link, support rib, stretcher rib, and cover rib all cooperate to define a generally parallelogram configuration beneath the stretcher rib when the umbrella is in between its full opened and full closed positions, and to define a generally triangular configuration when the umbrella is full opened, again to enhance the stability of the linkage system when the umbrella is opened and also to permit the umbrella to collapse into a short and compact storage or full closed position.