Abstract: A method and system discloses a medical device comprising a pre-crimped stent mounted on an inflatable means for inflating the pre-crimped stent. The pre-crimped stent mounted on an inflatable means further includes a membrane with a centrally positioned opening with a second expandable diameter, wherein the membrane covers one end of the pre-crimped stent, thereby reducing pulmonary flow in a pulmonary artery.

Abstract: A twist lock mechanism for easily achieving a secure locking relationship between an outer member and an inner member is provided for use on an umbrella with a ball-joint based for adaptive orientation, and a spike receiving base or anchoring base mechanism.

Abstract: An outdoor umbrella frame has a telescopic structure, and includes an umbrella pole, a pull rod assembly and a rib assembly. The pull rod assembly includes a first pull rod and a second pull rod. The rib assembly includes a longer rib and a shorter rib, the umbrella pole may be telescopic along a length direction, and one or more of the first pull rod, the second pull rod, the longer rib and the shorter rib may be telescopic along a length direction. When the outdoor umbrella frame is assembled, the umbrella pole, the first pull rod, the second pull rod, the longer rib and the shorter rib are all in an extended and fixed state. When the outdoor umbrella frame is disassembled for packing, any one or more of the umbrella pole, the first pull rod, the second pull rod, the longer rib and the shorter rib are in a retracted state.

Abstract: A five-device-in-one water-and-leaf-separating leaf-filtering water-collecting wind-blocking wind-redirecting marine-yacht-land-yacht-balcony-bumper-and-trailer-hitch-mountable sail comprises: a central-sail intersector; central-sail-supporting ribs; central-sail-rib-raising arms; an adjustable water-and-leaf-separating leaf-filtering central sail attached to the central-sail-supporting ribs for functioning as a water diverting device to predeterminately redirect the flow of water, functioning as a leaf filtering device to filter leaves from rain water when used upside down, functioning as a water collector to collect rain water when used upside down, functioning as a wind blocker to block wind, functioning as a privacy screen to provide privacy, functioning as an awning to angledly block rain and sun beams, functioning as a canopy to vertically block rain and sun beams, functioning as a wind redirector to redirect wind in and out of sail, and functioning as a sail-steering wind-powered device to steer the sa

Abstract: Disclosed is an umbrella that can be used as a canopy to protect a user against rain or sunlight. The umbrella may comprise an elongate member having proximal and distal end portions, a support structure that is connectable to a canopy able to be disposed about the distal end portion of the elongate member, the support structure being be adjustable between an erect position, whereby the canopy is able to be tensioned by the support structure, and a collapsed position, whereby the tension in the canopy is able to be released. The umbrella may also include a plurality of biasing means configured to inhibit the support structure from inverting.

Abstract: A dual function article carrier is converted into a position marker for use within a crowd after carrying the articles to a desired position. A smaller member slides with an intermediate member that slides with a larger base member. The intermediate member with the smaller member extends from the base member as a carrier. As a position marker the smaller member with a ribbon or pennant on top extends from the intermediate member. Members are slid and held together in a storage condition. Lock pins in holes connect the members. A sleeve is centered in a bucket while it is filled with sand. A lid with a hole is connected to the bucket. The sleeve extends upward. A bottom of the large member is held within the sleeve. Garments and towels are held on arms extended through a member.

Abstract: A collapsible umbrella with automatic closing structure has an extendable rod automatically retracting toward a runner away from its users by pressing of a button. The extendable rod includes an outer tube, an intermediate tube, an inner tube and a first spring. The tubes respectively have one, two, and three groove sections along outer peripheries thereof. A runner of the collapsible umbrella has axial protrusion to release a resilient section of a first clip from a first slot hole, thereby retracting a first spring for the intermediate tube being retracted into the outer tube; then a resilient section of a second clip is released from a second slot hole, thereby retracting the inner tube into the intermediate tube. The structure enables the users to close and fold the collapsible umbrella with single hand and has the extendable rod closing in a direction away from the users, so as to prevent from splashes of the rain and potential injuries during the retracting and folding.

Abstract: The umbrella having an expandable canopy is an umbrella with a canopy of adjustable size. The umbrella having an expandable canopy is an umbrella that is further modified with a plurality of additional runners and stretchers which, when opened, are used to extend the effective diameter of the canopy to increase the protected area underneath the umbrella. The umbrella having an expandable canopy comprises a modified umbrella, a secondary canopy, a plurality of secondary stretchers, a plurality of modified ribs, a secondary runner, and a secondary top tip spring.

Abstract: A portable collapsible sign assembly including a fabric covering and support frame which is adjustable between a collapsed and expanded position. When the sign assembly is expanded, or in its deployed state, the fabric covering and support frame possess a connective tension relationship with respect to one another which creates and supports both the sign assembly display sign and base in a stable manner. The fabric covering engagement with the support frame enables the entire sign assembly, including both the display sign and assembly base, to be simultaneously deployed in one user-initiated motion.

Abstract: In a large parasol with a textile fabric roof with adjustable canopy strut ends for the attachment of the canopy fabric, in order to avoid the attaching seams of the canopy fabric from being openly exposed to the UV radiation and to prevent the connection to the fabric roof from becoming displaced or twisted inadvertently either in the open state or in the closed and relaxed state of the parasol, welt bulges are attached to the parasol roof edge along the seams of the parasol roof parts, the extensions comprising welt grooves, the welt bulges engaging in the welt grooves of the extensions and the welt bulges being held at the outer end of the extensions by means of a screw.

Abstract: A portable sign including three legs movable between deployed and collapsed positions and a flexible covering bearing text, graphics or both includes a biasing mechanism urging the legs toward the deployed position. A support within the biasing mechanism secures three springs with the coils facing outward, one extension from each spring embedded in an upper support member and another extension movable within a plane tangential to a periphery of a lower support member and received by a hollow portion of one of the legs.

Abstract: A device for attaching an umbrella to a structure is described. The umbrella attachment device includes a device side member, an umbrella side member and a storage member. The storage member is directly attached to a structure and includes an inner compartment and an outer compartment. The storage member is arranged so that the inner compartment is proximal to the structure as compared to the outer compartment. The device allows for alternation between a storage position and a use position. The storage position includes the device side member being attached to the inner compartment and the umbrella side member being attached to the outer compartment. In the storage position, the device side member and the umbrella side member are positioned substantially parallel to one another. The use position is characterized by the device side member being attached to the inner compartment and also attached to the umbrella side member.

Abstract: An expandable multiuser umbrella includes a pair of elongated telescoping shafts each having a plurality of expandable support struts radially extending therefrom. The support struts support a canopy member having two opposing side sections with an expandable intermediate section therebetween. The upper ends of the support shafts are interconnected with a telescoping arm allowing the shafts to be separated to expand the canopy intermediate section for accommodating multiple users. Alternatively, the shafts may be moved to a contiguous juxtaposed position thereby collapsing the intermediate section of the canopy allowing the umbrella to be comfortably used by a single person.

Abstract: A sunshade comprises a post, a support rod having a lower end detachably mounted on top of the post, a runner mounted to the support rod and slidable along a longitudinal direction of the support rod, plural stretchers, and plural ribs. Each rib comprises an upper tube and a lower tube that are engaged together in a manner allowing relative longitudinal telescopic movement therebetween. Each upper tube comprises an upper end pivotally connected to an upper end of the support rod. A button is provided for retaining each lower tube in one of an extended state and a retracted state relative to an associated one of the upper tubes. An end of each stretcher is pivotally connected to an associated one of the lower tubes. The other end of each stretcher is pivotally connected to the runner.

Abstract: A wind pressure releasable umbrella/parasol each of whose plurality of main ribs has a brace tied to its lower end at one end and the other end hung free in a cantilever manner. An upper cover cloth is shading from the top ends of the main ribs and down to points corresponding to the free ends of the braces, on the hand, a lower cover cloth is shading from the free ends of the braces down to the lower ends of the main ribs. A slit of clearance is formed between slightly overlapped edges of the two cover clothes so as to release wind pressure exerted on the umbrella/parasol by allowing the wind to leak therefrom.

Abstract: An auto-opening mechanism can make the pivotal coupling between the supporting ribs and the linkage beams highly firm and secure while nonetheless retaining the light-weighted quality of the supporting ribs The folding frame structure is more durable than the prior art by using enforced light-weighted materials such as FRP to form the umbrella frame and steel bars to form the linkage beams. Therefore, the foldable frame structure is longer in the life of use than the prior art.

Abstract: An umbrella comprising a central shaft having an upper end and a lower end with the lower end including a handle incorporates a plurality of pivotable members each having a first end pivotally coupled to an upper end of the shaft and being circumferentially spaced about the shaft and oriented generally parallel thereto when the umbrella is in a collapsed condition. A plurality of flexible members are operatively associated with corresponding ones of the pivotable members. The flexible members are each expandable into a generally hoop-shaped configuration adjacent another end of the pivotable members when the pivotable members are pivoted from a collapsed condition to an operative position. The open umbrella appears as a canopy stretched over a plurality of circumferentially spaced ribs with each rib terminating in a hoop-shaped member.

Abstract: A swirling type fabric canopy is affixed on an upright mast which can be incrementally rotated on a base to protect a person in one position while the sun travels during daylight. The swirling type canopy can be rotated from right-handed shading to left-handed shading and collapsed when not in use or for portage. An optional semi-circular non-folding canopy can be added on top.

Abstract: An improved umbrella is provided which consists of a fabric canopy, a central shank assembly and a mechanism for deploying the fabric canopy from and retracting the fabric canopy into the top of the central shank assembly.

Abstract: The apparatus has several carrying bars which can be spread in radial manner from a central headpiece (2) and several shielding flat 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 is possible to slide flat 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 flat elements, it is possible to individually adjust the shielding action.

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: A large umbrella includes a plurality of ribs and stretchers and a connecting piece mounted to a mediate section of each rib for connecting the rib and associated stretcher. The connecting piece is substantially U-shaped and has a base section with two ends and a lateral wall extending from each end of the base section. A protrusion projects from an inner side of each lateral wall to form a pair of aligned protrusions adjacent to the base section for securely engaging with the rib. A pair of aligned holes are formed in the lateral walls adjacent to the distal ends of the lateral walls for allowing riveting of the stretcher.

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: 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: An improved umbrella is provided which consists of an elongated hollow shaft having an open top. A collapsible canopy is carried on the elongated hollow shaft. A mechanism is for operating the canopy so that when the canopy is placed in a closed position it will be stored within the open top of the elongated hollow shaft and when the canopy is placed in an opened position the canopy will extend outwardly form the open top over the elongated hollow shaft.

Abstract: An umbrella frame having two collapsibly protractable structures defining ear-like projections. The umbrella frame has a plurality of ribs and associated pivotally attached struts extendable to define a characteristic dome shaped umbrella. The struts are further attached to a runner axially slidable on a central shaft of the umbrella that causes the outward extension of the struts to push the ribs outwardly when the runner is upwardly moved. In addition, two pairs of braces are respectively pivotally attached on one end to opposing struts either at the same point or at separate locations thereon, and extend through respective guide brackets fixedly attached to respective outer ribs. The other ends of the braces extend beyond the outer dome of the umbrella and are pivotally attached to a swivel coupling that causes loop shaped bending of the braces to define outwardly projecting ears from the characteristic dome shaped umbrella when the struts are extended by upwardly moving the runner.

Abstract: A self-erecting tent can be erected in various sizes and shapes and is characterized by the fact that the tent can be changed. It can be mounted on a transportable or rolling and supportable platform, which can be converted from a transport position into an erection position. The tent consists of a telescopic support mast and a plurality of telescopic arms, the folded roof fabric being connected to the endmost extended element of each arm in order to provide tension and support when it is extended and foldability when it is retracted.

Abstract: The present invention relates to an umbrella with improved fording frames which includes an upper frame and a lower frame, and is characterized in that a sliding frame is provided at the connected portion of the upper frame and the lower frame; where the other end of the sliding frame being connected to a sliding hole of a pulling frame which connects with a pushing frame at the same end. And wherein the total length of the sliding frame and the pulling frame is equal to the length of the upper frame minus the length of the sliding hole. While the umbrella is opened, the frames can be provided in a smooth curve for being covered by the shade completely.

Abstract: Expansible type triangular umbrella ribs and the related collapsing mechanism, wherein the expansible first main rib is arranged to penetrate through the second main rib which is connected with the linking rib, the rear end of the first main rib being directly connected with the front end of the first support rib by pivotal joint, the rear end of the linking rib being pivotally connected to the first support rib, such that the first main rib is expansible to slip along the pivotal connecton between the second main rib and the linking rib; the first main rib, the linking rib and the first support rib being to form a triangular rib structure, the front U-channel of the first support rib being to provide an prolonged flange for receiving the rear portion of the linking rib; the first main rib, the linking rib and the first support rib being arranged in a straight line at the time the umbrella being fully opened; at the time the pivotal connection of the first main rib and the first support rib being attached to

Abstract: A coupling device for a hat-like umbrella frame consisting of a coupling member and a rib stretcher. A visor rib comprising an outer segment with a smaller diameter than the inner segment thereof is pivotably connected to a main rib and a respective rib stretcher. The coupling member is substantially U-shaped with an opening at one end thereof. The coupling member is disposed between the rib stretcher and the visor rib for allowing the visor rib to pass through. The outer segment of the visor rib is freely slidable within the opening of the coupling member. The inner segment of the visor rib is unable to pass through the opening member so that a sliding movement between the visor rib and the coupling member will be stopped.

Abstract: A folding umbrella in which articulatingly connected inner and outer rib members are supported by a single slidably disposed strut providing a large diameter in use, and a substantially reduced size when closed. The paired rib members are covered on their exterior by a fabric and are foldable against the rod so as to be all parallel to the rod.

Abstract: A folding umbrella, particularly useful as a beach umbrella, in which circumferentially spaced outer ribs are slidably disposed on cooperating struts as the undersupport of the fabric cover, and in one extreme position of the slides, the umbrella opens to a radius of approximately 42 inches, and in an opposite slide position, the umbrella closes to a radius of approximately 32 inches, the 10 inch difference being the result of slide movement of the end of the rib along a strut which produces an internal fold in a central location of the fabric cover and thus diminishes its size accordingly.

Abstract: A collapsible structural assembly is provided with a plurality of inner and outer hubs pivotally and collapsibly joining the ends of tubular elements making up the structural assembly. Each hub assembly includes a pair of joined hub bodies holding a retaining ring captive therebetween and the hub bodies are slotted to expose sections of the ring. The tubular elements are provided end plugs having slots receiving the ends of connector blades, the opposite ends of which are received in the slots of the hub bodies and are pierced by the ring. The tubular elements are crimped to lock the end plugs and connector blades to them.

Abstract: The inner ends of cover-supporting ribs of an umbrella are pivotally connected to a rib carrier which is longitudinally slidable in a hollow shaft by means of a projection extending out through a longitudinal slot in the shaft. The rib carrier is slidable between a closed position in which the rib carrier is near the lower end of the shaft and the rib members together with the cover are in the shaft and an open position in which the rib carrier is at the upper end of the shaft and the rib members radiate out from the rib carrier so as to support the cover. Each of the ribs comprises inner and outer tubular sections which are telescopically slidable one in the other. When the umbrella is in open position, the telescopic ribs are extended so as to support a larger cover. When the umbrella is in closed condition, the telescopic ribs are contracted so as to be received in a shorter shaft.

Abstract: A shortenable umbrella with blades carrying the umbrella canopy, the blades being shortenable by telescoping and/or folding, wherein the innermost blade parts are pivoted on a crown secured on the shortenable rod assembly. The blades are horizontally pivotable by a fork means and a slider means such that each outermost blade part is foldably articulated on the adjacent blade part by a control rod which acts on an extension of the outermost blade part. The umbrella is characterized in that the inner end of each control rod engages in back of the associated fork with direct contact and is articulated on a guide member which effects a guiding of the control rod on a limited path along the fork.

Abstract: A shortenable umbrella with blades carrying the umbrella canopy, the blades being shortenable by telescoping and/or folding, of which the innermost blade parts are pivoted on a crown secured on a shortenable rod assembly and respectively are horizontally pivotable by means of at least one fork by means of at least one slider, whereby each outermost blade part is hinged foldable onto the adjacent blade part by means of a control rod which acts on an extension of the outermost blade part. The inner-lying end of each control rod surrounds the fork associated therewith by means of a guide opening which is large in area with respect to the cross-section of the fork, the guide opening making possible a displacement of the inner-lying end of the control rod in the longitudinal direction of the fork and/or of the control rod.

Abstract: A shortenable umbrella with frame or blade parts carrying the umbrella canopy in opened condition, the frame parts being shortenable at least by a factor of two by telescoping or folding, of which the innermost parts are pivoted on a crown secured on a shortenable rod assembly and are horizontally pivotable by means of at least one slider by means of at least one set of forks, whereby each outermost blade part is hinged foldable on the adjacent blade part by means of a control rod which acts on an extension of each outermost blade part. A control piece is formed as a slide hinge which is displaceably guided on the fork, the slide hinge being articulated on the middle hinge by means of a connection portion spaced from the articulation point of the fork. The inner end of the control rod is articulated pivotally on the control piece, the movement of the fork actuating the control piece.

Abstract: An umbrella frame is described having dome ribs, each including an inner section, a telescopic middle section, and an outer section hingedly connected to the middle section for movement between a position colinear with the middle section and a position with the outer section folded over the middle section. A geats is slidable on the inner section, and a stretcher member is hinged to the main runner as well as to the geats. A second geats member is slidable on the inner section and is connected to the end of the middle dome rib section. An auxiliary runner is slidable on the stick between the main runner and the crown. A strut member is hinged to the auxiliary runner and to the stretcher member, and a control link is hinged to the stretcher member, a short distance from the hinge of the first geats, and at the other end the control link member is pivotally connected to an inner extension of the outer dome rib section.

Abstract: An umbrella including a shortenable frame having dome ribs and a crown at the end of a stick. A cover is supported by the dome ribs and is attached to the crown and peripherally to the ends of the dome ribs. The cover is also attached to the dome ribs at intermediate points between the ends of the dome ribs and the crown. The cover includes a plurality of radially extending stiffened areas including a flexible hinge area at a position such that each radially extending stiffened portion is separated into at least two radially aligned portions whereby the cover material can fold therebetween. The full extent of the radially extending stiffened areas is provided on the portion of the cover between the crown and the intermediate attachment points.