Abstract: Umbrella assemblies described herein are advantageously configured with simple yet robust arrangements for securing an umbrella in an open configuration, for example, with a runner in an elevated position. In some embodiments, the umbrella assemblies are self-opening and/or include locking devices. The locking devices can engage support structures positioned on an umbrella pole.

Abstract: A runner fastening device is provided for holding a runner of an umbrella at an upper position relative to a central shaft unit, and includes a spring catch having a retaining region and an actuated region, a retained member moved with the runner and having a retained slot which extends to terminate at an abutment wall to abut against the retaining region at the upper position, and a sleeve member movably surrounding the retained member. By mating engagement between cammed and camming surfaces of the retained member and the sleeve member, when the sleeve member is moved downwardly, the actuated region is pressed against a biasing action to retreat inwardly to sweep the retaining region away from the abutment wall to thereby permit downward movement of the runner.

Abstract: An umbrella includes a shaft with a top member connected to a top end thereof and a runner is movably mounted to the shaft. Multiple stretchers are pivotably connected between the top member and the runner. The shaft includes an inner tube and an outer tube in which the inner tube is retractably received. The runner is movably mounted to the outer tube and a stopper extends outward from an outside of the outer tube. The runner is movable over the stopper and supported by the stopper when the umbrella is opened. The shaft does not need to make a slot so as to have better strength and the inner diameter of the runner and the outer diameter of the stopper is matched so that the runner does shake.

Abstract: An operation system for umbrellas includes a multiple-section shaft with a top cap connected to a top thereof and the top cap has a first extension which includes a flexible part formed thereto. A protrusion extends from a distal end of the flexible part. A runner is movably mounted to the shaft and the first extension. The runner has a second extension which has a positioning hole so as to receive the protrusion to stop the runner from moving downward. A hollow sleeve is movably mounted to the second extension and drives the runner to move along the shaft. The sleeve has a compressing member to compress the protrusion inward to disengage the protrusion from the positioning hole when folding the umbrella.

Abstract: A telescopic sunshade includes an outer tube having upper and lower positioning holes. An inner tube is slideably received in the outer tube and includes an upper end beyond the outer tube. Ribs are pivotably mounted to a hub fixed to the inner tube. Stretchers are pivotably mounted between the ribs and the outer tube. The sunshade is in a folded state when the inner tube is in an upper position. The sunshade is in an unfolded position when the inner tube is in a lower position. The protruded length of the inner tube in the upper position is larger than that in the lower position. A sleeve is slideably mounted around the outer tube and engaged with the inner tube to move therewith. A positioning button is engaged in the upper or lower positioning hole to retain the sunshade in the folded or unfolded state.

Abstract: An umbrella hub is provided that is operative to engage an umbrella cord for maintaining an umbrella in an open position. The hub can comprise a cord retention mechanism. For example, the hub can comprise upper and lower hub portions that form a hub body and a cord retention mechanism comprising an aperture extending through the hub body, a recess disposed within the upper or lower hub portion, and a pair of engagement members disposed in the recess. The cord lock mechanism can be configured to allow the cord to pass freely in a first direction while preventing movement of the cord therethrough in a second direction that is opposite the first direction or to pass freely in both the first and second directions.

Abstract: A runner assembly for use with a central shaft of an umbrella frame includes a tubular retaining block which is movable relative to a tubular runner in a transverse direction relative to an axis of the central shaft, and a tubular thrust member movable along the axis. An inner sleeve surface of the thrust member is configured such that, when the thrust member is pressed from a releasing position to an actuating position, the retaining block is moved from a first position to a second position to permit a retaining member disposed thereon to engage an engaging surface of the central shaft so as to keep the umbrella frame in an open state.

Abstract: An umbrella includes a runner slidably engaged onto a central shaft for coupling to a whale bone device, a tubular member slidably engaged onto the central shaft and having an upper portion secured to the runner, a handle attached to the tubular member, and a controlling device for controlling the handle to move along the central shaft in order to fold the whale bone device either to the compact folding position or to the open working position and for allowing the umbrella to be effectively actuated or operated by the users. An anchor member is engaged into the central shaft and has a catch for anchoring the tubular member and the runner to the central shaft at different locations.

Abstract: A mechanism for opening and collapsing an umbrella includes a runner which has two lockers pivotably connected thereto and an operation collar is movably mounted to the shaft of the umbrella so as to operate the two lockers. Each of the lockers is a curved member and pivotably connected to the runner by a pivot. Two ends of the each locker are pivotable relative to the pivot in a direction perpendicular to an axis of the runner. The user simply moves the operation collar to pivot the lockers to open and collapse the umbrella.

Abstract: An umbrella has an intermediate point of equilibrium between its fully open and closed positions, which reduces the peak force required to move the umbrella in either direction. To actuate the umbrella, a resiliently flexible steel band is able to not only carry tension to pull the umbrella open, but the band also has sufficient rigidity to operate in compression to push the umbrella closed. The band's flexibility allows it to feed through a small sidewall hole in the mast as well as snake through a hinge on an umbrella mast that can tilt. Manually sliding an actuator sleeve upward closes the umbrella. Sliding the sleeve down opens the umbrella. Although lifting to close and lowering to open may seem counterintuitive at first, such action greatly reduces the maximum force required to operate the umbrella.

Abstract: A pagoda-shaped umbrella includes a center post, a crown fixed to an upper end of the center post, a runner movable along the center post, a plurality of ribs each coupled to the runner by a stretcher, and a canopy supported by the ribs. A canopy retainer is mounted to the canopy to move to the topmost position when the canopy is open. A collar movably fits over the center post between the runner and the crown and a pair of slide bars extending from the collar, along opposite sides of the center post and movably through openings defined in the crown. Upper ends of the bars are fixed to the canopy retainer. When the runner is moved upward to drive the stretchers and the ribs for opening the canopy, the runner gets into contact with and thus drives the collar upward, which in turn causes upward movement of the retainer to the topmost position thereby shaping the canopy as a pagoda.

Abstract: An umbrella runner has two engaging slices respectively pivotally connected on two sides of the runner. A sleeve is displaceably disposed around the runner. An annular groove is provided on a top tube of the shaft of the umbrella. The sleeve can be moved upward and downward for pivoting the slices to position the runner and the umbrella in a stable open state.

Abstract: An umbrella includes a cover, a shaft with a multi-sectional structure, a notch, a runner, main ribs, stretchers, other coordinating multi-sectional ribs, or optionally, in addition, an auxiliary runner, a compression spring between the auxiliary runner and a plurality of stretching ribs. Around the notch is a plurality of pivotally disposed main ribs for supporting the cover, and around the runner is a plurality of pivotally disposed stretchers for supporting the main ribs. A locating tube is disposed below the notch which is pivotally connected to the main ribs. The locating tube has an upper end thereof fastened with the notch, and the auxiliary runner and the runner are accommodated around the locating tube, such that the runner is capable of firm up-and-down sliding movements on the locating tube, thereby steadily stretching the umbrella.

Abstract: An umbrella structure includes a cover, a shaft, a notch, a runner, main ribs and stretchers. The notch is extended downward to form a fixing portion. The fixing portion has one end disposed with a protruding loop section, and an appropriate position disposed with a fastening orifice for corresponding with the protruding button. The runner is accommodated at the fixing portion, and is capable of up-and-down sliding movements at the fixing portion. When stretching the umbrella, the protruding button at the fastening device is steadily locked at the fastening orifice at the fixing portion to smoothly stretch the umbrella. When collapsing the umbrella, the shaft is stored in the fixing portion to prevent the shaft from damages and deformations by offering the shaft with appropriate protection. Using the aforesaid structure, a drawback as being incapable of securely stretching the umbrella due to a reduced volume of the umbrella is solved.

Abstract: An umbrella actuator for extending and folding an umbrella includes a runner slidable on a vertical rod to drive an umbrella frame to move, an anchor element fixedly mounted on the vertical rod for latching the runner, and a coupling device attached to the runner including an annular ring which may be moved to anchor the runner on the vertical rod at an action position or be released thereby to achieve a safer and more reliable operation.

Abstract: A runner lock device for umbrella includes a retainer attached onto an outer peripheral portion of a central post, a barrel slidably engaged onto the central post and having an opening to receive the retainer and to latch the barrel to the retainer and to the central post. A sleeve is slidably engaged onto the barrel and has an actuator arranged to engage with the retainer and to disengage the retainer from the barrel when the sleeve is moved relative to the barrel. The retaining device may be easily secured onto the central post, and no holes are required to be formed in the central post, and no spring members or latches are required to be engaged into the central post.

Abstract: An improved, durable and versatile umbrella frame assembly is provided to more readily endure abusive weather conditions and that may be quickly, easily and inexpensively repaired. In addition, the assembly is also easily modified to accommodate umbrella canopies of different sizes and shapes. In addition, an improved umbrella operating system is provided to permit simple opening, positioning, and locking of an umbrella while allowing the frame to freely rotate about the pole regardless of the degree to which it is opened, while the pole is held in a stationary position. The assembly includes a pair of hub members mounted about a pole member wherein the main hub member is slidable up and down the pole. A pulley system with a locking cam member may be employed to allow the umbrella to safely and easily open to any desired position. A locking stabilizer arm may be used to secure the main hub member in the fully open position.

Abstract: An umbrella frame includes an upper shaft part 2 and a lower shaft part 1, the two parts being connected by a tilting joint to enable the upper part to tilt with respect to the lower, a runner 4 sliding on the lower shaft part 1, for spreading a cover on the umbrella frame into its unfurled configuration when slid upwardly, and an actuator connected to the upper shaft part 2 and passing down the shaft, through or past the runner 4 when in its upper position with the umbrella open, to an operating location on the lower shaft part 1, the actuator being accessible at its lower end to allow an operator to tilt the upper shaft part 2.

Abstract: An umbrella frame device includes a runner slidably sleeved on a stem for spreading and collapsing a canopy. A retaining member has a retaining end which is movable radially in a slot in the runner and which is extendable inwardly of the runner to slidably contact a slideway on a protuberance disposed on the stem. The retaining end is brought to slip over an upper edge of the protuberance so as to be retained on a shoulder when the runner is moved to an engaging position. A sleeve member surrounds and is movable relative to the runner, and has a cam surface portion which can depress the retaining end radially with a friction force that arrests the runner in the engaging position.

Abstract: An umbrella frame device includes a runner slidably sleeved on a stem for spreading and collapsing a canopy. A retaining member has a retaining end which is movable radially in a slot in the runner and which is extendable inwardly of the runner to slidably contact a slideway on a protuberance disposed on the stem. The retaining end is brought to slip over an upper edge of the protuberance so as to be retained on a shoulder when the runner is moved to an engaging position. A sleeve member surrounds and is movable relative to the runner, and has a cam surface portion which can depress the retaining end radially with a friction force that arrests the runner in the engaging position.

Abstract: An umbrella a fixed ring secured on top of a rod, a middle ring and a lower ring slidably engaged on the rod, a number of main staves having inner ends rotatably securing to the middle ring, a number of upper staves pivotally coupled between the fixed ring and the main staves, and a number of stave supports each having an inner end rotatably coupled to the lower ring and an outer end secured to the middle portion of the main staves. The main staves and the stave supports are made of composite materials for increasing the strength and for reducing the weight of the umbrella.

Abstract: The present invention relates to a positioning structure of a manual folded umbrella, which includes an engaging hook being connected under an upper joint and being formed with an inward step at bottom end, and a runner having an elastic connector with a lower projection at a side. The inward step can engage with the connector for positioning the umbrella in opening state and the projection can be directly pressed to release the runner from the engaging hook for closing the umbrella easily and safely.

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: This invention relates to a positioning structure for opening of an umbrella, which includes a runner movably provided around a shaft of an umbrella. The runner has a positioning hole and an extended slice placed over an opening groove. An upper jointer mounted on the top end of the shaft connects with an elastic beam, which is downward extended with a slight inclined angle and is provided with a protrusion at middle portion. And as the protrusion is engaged with the positioning hole, the elastic engagement is obtained, while the runner can be stopped in secure for keeping the umbrella in stable opening state.

Abstract: An umbrella includes a runner sleeved slidably on a stem for spreading and collapsing a canopy which is mounted on a ferrule. A tubular member surrounds the stem, is fixed on the ferrule, and is formed with a retaining slot therein. An upper end portion of the runner is formed with a through hole which is aligned with the retaining slot longitudinally, and which can be registered with the same radially when the runner is moved to stretch the canopy. A lever member is pivoted to the runner at a fulcrum portion, and has upper and lower segments at two opposite sides of the fulcrum portion. The upper segment has an anchoring end portion to be received and retained in the retaining slot by the action of a biasing member when the canopy is stretched.

Abstract: An umbrella includes a tube having a lower handle and having an upper whale bone device. A barrel is slidably engaged on the tube and coupled to the whale bone device. A spring-biased catch is received in the tube and selectively engaged into the barrel to lock the barrel to the tube. A latch is slidably received in the barrel for selectively disengaging the catch from the barrel to release the barrel from the tube. The latch is received in the barrel which is moved away from the handle when the whale bone device is opened, such that the latch will not be actuated inadvertently.

Abstract: An umbrella includes a tube having a whale bone device, a barrel slidably engaged on the tube and coupled to the whale bone device. Two spring-biased catches are received in the tube and selectively engaged into the barrel to lock the barrel to the tube and to prevent the barrel from rotating relative to the tube. A latch is slidably received in the barrel for selectively disengaging the catch from the barrel and is received in the barrel which is moved away from the handle when the whale bone device is opened, such that the latch will not be actuated inadvertently.

Abstract: An umbrella includes a tube having a whale bone device, a barrel slidably engaged on the tube and coupled to the whale bone device. Two spring-biased catches are received in the tube and selectively engaged into the barrel to lock the barrel to the tube and to prevent the barrel from rotating relative to the tube. A latch is slidably received in the barrel for selectively disengaging the catch from the barrel and is received in the barrel which is moved away from the handle when the whale bone device is opened, such that the latch will not be actuated inadvertently.

Abstract: An umbrella includes a tube having a lower handle and having an upper whale bone device. A barrel is slidably engaged on the tube and coupled to the whale bone device. A spring-biased catch is received in the tube and selectively engaged into the barrel to lock the barrel to the tube. A latch is slidably received in the barrel for selectively disengaging the catch from the barrel to release the barrel from the tube. The latch is received in the barrel which is moved away from the handle when the whale bone device is opened, such that the latch will not be actuated inadvertently.

Abstract: A vented umbrella is resistant to inversion from the wind and effective in ventilation. The umbrella comprises a foldable frame, a lower canopy, and an upper canopy in a concentric covering relation with respect to lower canopy with a small overlapped peripheral area therebetween. A plurality of nonelastic ropes are provided each connected between the center portion of peripheral edge in respective sector of lower canopy and the upper ring. Hence, a plurality of openings are formed at the junction between sectors of upper and lower canopies in a fully extended condition. This also can save cloth and effect a simplified manufacturing process.

Abstract: A safety umbrella runner includes: a push button having a plunger slidably held in a slot transversely formed through the runner to contact a spring catch normally resiliently protruding outwardly from the central shaft for retaining the runner when opening the umbrella, with the push button stably slidably held in the slot formed in the runner for a very ergonomic operation when depressing the push button for disengaging the runner from the catch for closing the umbrella.

Abstract: An umbrella includes a shaft having a plurality of ribs radially and pivotally connected to a finishing cap on the top of the shaft and a sleeve is slidably mounted to the shaft. A stop, a first flange and a second flange respectively extend radially outward from the sleeve, wherein the first flange is located between the stop and the second flange. A collar is movably mounted to the sleeve and located between the stop and the first flange. A plurality of first stretchers pivotally connected between the collar and the ribs. A runner is movably mounted to the sleeve and located between the first flange and the second flange. A plurality of second stretchers are pivotally connected between the runner and the ribs. The sleeve is pushed toward the collar to move the collar and to let the panel be expanded by the first stretchers and the movement of the ribs expand the second stretchers.

Abstract: A spread position securing device for beach parasols includes a shank, a fixing base on an upper portion of the shank, and a runner fitted around slidably along the shank, plural ribs pivotally connected radially to the fixing base, and plural stretchers connected pivotally between the runner and intermediate portions of the ribs. Then the parasol can be spread from a collapsed position to a spread position. The feature of the invention is a cylindrical sleeve fixed in the runner and fitted around the shank to slide up and down so that the cylindrical sleeve may contact the fixing base to secure the contact points of the stretchers with the runners at a little higher position than the contact points of the stretchers with the ribs when the runner is pushed up to the spread position. Thus no other components are needed to secure the spread position of the parasol, convenient to handle.

Abstract: A collapsible umbrella structure with hand protection is provided, which is constructed in such a manner that can help prevent the user's hand from being injured when the user is using his/her hand to manually open or collapse the umbrella. The collapsible umbrella structure includes a main shaft; a running hub slidably movable along the main shaft, the running hub being held at a bottom position when the umbrella is collapsed and at an upper position when the umbrella is opened; and an upper pressable stopper, pressably mounted on the main shaft, for holding the running hub at an upper position when the umbrella is opened. The upper pressable stopper is pressed down by the running hub when the running hub is being manually moved from the bottom position to the upper position, and subsequently capable of restoring to the unpressed position after the running hub has passed therethrough so as to stop the running hub from moving downwards, thereby holding the running hub at the upper position.

Abstract: An operating mechanism for "patio type" umbrellas uses an actuator sleeve in order to open and close the canopy. The sleeve is in connection an inner rod on the inside of the main shaft that in turn is used to open and close the ribs that support the canopy of the umbrella. Movement of the actuator sleeve upward will move the inner rod upward as well as pull the ribs downward so as to close the canopy. Movement of the actuator sleeve downward will pull the ribs away from the central shaft and hence open the canopy. Because of the short length of the ribs combined with the weight of the canopy itself, it is believed that this makes such large patio type umbrellas easier to open and close using this sleeve actuator mechanism.

Abstract: A safety umbrella runner includes: a runner tube slidably held on a central shaft of the umbrella; a ferrule integrally circumferentially formed on the runner tube for pivotally securing a plurality of stretcher ribs of a rib assembly, which is provided for fastening an umbrella cloth on the rib assembly, by a fastening wire wound on the ferrule with the wire ends twisted and knotted in a socket formed on the inner ferrule; and a safety cover having a protective cap lockable on the ferrule for sheltering the wire ends in the socket of the ferrule, and having a pendent cover resiliently formed on a lower portion of the protective cap for sheltering a spring catch resiliently protruded from the central shaft for preventing injury to the user's finger as pricked by the spring catch.

Abstract: A disposable umbrella having an elongated handle member for supporting a foldable canopy. A plurality of rib members are positionable along the underside of the canopy. A collar member is slidable along the handle and is registrable with a cam surface on the rib members for urging the rib members to open the canopy. The collar member is press-fit into friction-locking engagement with the rib members to releasably retain the canopy in the open position. The collar member, the plurality of rib members and the canopy are assembled on the handle member and secured by an end cap that is lockingly engageable with the handle member.

Abstract: An umbrella includes an elongate handle, a canopy mounted on an upper end of the handle, and a rib assembly for supporting the canopy. A tubular runner is slidably sleeved on the handle and is movable between upper and lower positions for spreading and collapsing the canopy, respectively. A stretcher assembly is disposed to stretch or retract the rib assembly. A resilient tongue member is secured on the upper end of the handle, and has a distal hook end which is biased away from the handle in a lateral and transverse direction. An annular inner wall of the runner defines a guideway to receive the tongue member and retain the hook end during upward movement of the runner to the upper position.

Abstract: A safety umbrella runner includes: a runner tube slidably held on a central shaft of the umbrella; an inner ferrule integrally circumferentially formed on the runner tube, adapted for pivotally securing a plurality of ribs for fastening an umbrella cloth on the ribs, by a fastening wire wound on the inner ferrule and having wire ends twisted and knotted in a socket formed in the inner ferrule; and an outer ferrule snugly engaged with and disposed outside the inner ferrule for sheltering the wire ends for preventing the user or worker from being pricked by the wire ends, and having a pendent cover protruding from the outer ferrule for sheltering a spring catch resiliently protruded from the central shaft for preventing injury to the user's finger by the spring catch.

Abstract: Disclosed is an umbrella with a stretch structure for selectively collecting rainwater mainly including a stick with a handle, an upper hub member and a lower hub member vertically movably put around the stick to respectively pivotally connect umbrella main and secondary ribs around them, and an umbrella cover fixed to and centered at a top end of the stick with its outer edge connected to outer ends of the main ribs and a middle portion to outer ends of the secondary ribs. The upper hub member has a downward extended retaining block to detachably engage with a control block pivotally connected to a push-button switch fixed to one side of a lower tube portion of the lower hub member. A push pin is provided to a lower end of the tube portion to selectively extend into different holes formed on the stick.

Abstract: The umbrella frame is provided with a movable yoke at the upper end and a stationary yoke at an intermediate point. Ribs are pivotally mounted on the movable yoke and struts are pivotally mounted on the fixed yoke while being pivotally mounted to intermediate points on the ribs. A downward movement of the upper yoke causes the ribs to splay outwardly so as to open the umbrella. A crank mechanism is connected to the upper yoke via a cord so that upon cranking of the crank mechanism in one direction, the upper yoke is pulled downwardly to open the umbrella. A clutch assembly is also provided in the crank assembly to lock the crank assembly against the weight of the ribs and cover while allowing a reverse rotation of the crank mechanism under a manually applied force to permit the umbrella to close under the weight of the ribs and cover.

Abstract: A strutless umbrella includes a central post, either an inner plunger or tube, a canopy assembly including ribs pivotally mounted on the upper end of the central post. Links connect the ribs to the inner plunger or tube. Movement of one of the ribs moves the plunger or tube which moves the remaining ribs. A latch pin holds the umbrella in the open position.

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: The invention relates to an improved structure of a securing runner of an umbrella. The runner includes a sleeve, a nest, and a base, wherein the sleeve has an upper and a lower groove on one side related to a curved end and a holding end of a detent positioned in a main tube of the umbrella. The nest portion connecting with stretchers of the umbrella and the base are provided around the sleeve that the base has an inner circular rim to fit into a circular groove provided on lower part of the sleeve to obtain a good engagement between both. While the runner is pull downward, the sleeve urges the detent spring moving inwardly directly and the runner can be slid down to close the umbrella.

Abstract: A shelter device is integrally formed with a lower ferrule or an upper ferrule on an umbrella shaft and includes: a base portion formed on a ring portion of the lower ferrule or the upper ferrule having a fastening wire for fastening the ribs on the ferrule, a sheath portion longitudinally protruding from the base portion to be contiguous to a cylindrical wall of the ferrule, and a tubular hole longitudinally formed through the sheath portion, whereby upon concealing of a twisted knot of the two wire ends of the fastening wire into the tubular hole in the sheath portion of the shelter device, the acute wire ends of the fastening wire will not prick the umbrella user or assembly worker for safety purpose.

Abstract: An umbrella includes: a central shaft having an upper engaging sleeve member generally cylindrically shaped formed on an upper portion of the shaft and a lower engaging sleeve member generally cylindrically shaped formed on a lower portion of the shaft, and a C-shaped retaining ring expansibly held in a runner which is pivotally secured with a stretcher rib pivotally connected to a top rib pivotally secured to an upper notch formed on a top portion of the umbrella, whereby upon an upward movement of the runner to extend the stretcher rib and top rib for opening the umbrella and upon an expansion of the C-shaped ring to be retained on the upper engaging sleeve member, the umbrella will be opened steadily; and upon a folding of the ribs by lowering the runner and upon the expansion of the C-shaped ring to be retained on the lower engaging sleeve member, the umbrella will be closed steadily.

Abstract: A sunshade includes an upright post with a runner sleeved slidably thereon so as to be movable to a stretching position for operating a rib assembly in order to stretch collapsibly a top cloth above the upright post. The upright post has a spring-loaded stopper which protrudes radially to retain the rib assembly at the stretching position. The runner has an axially extending groove formed in an inner surface thereof and aligned with the stopper, and a projection formed in the groove. The projection has an upper face which inclines inwardly and downwardly and a lower face which extends radially toward the post. The runner has a releasing unit mounted thereon. The releasing unit is constituted by a pressing member which is radially movably disposed in the groove immediately under the projection and a button member which is formed integrally with the pressing member. The button member protrudes out of the runner via a through-hole in the runner.

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 improved sunshade opening and supporting device is provided with a rack-like member disposed on the main shaft of a sunshade at a section thereof over which the runner of the sunshade travels during the opening and closing of the sunshade; the rack-like member is equipped with a plurality of consecutive Z-shaped teeth each having an oblique face; a horizontal stop piece is disposed at the topmost end of the rack-like member. A groove is disposed on the inner wall of the slidable runner so as to permit the runner to be slidably engaged with the rack-like member; and a cavity is disposed on the wall of the groove of the runner with a spring housed therein. One end of the spring Abuts against a restraint flange of a supporting pin and the other end is limited by a lid secured at one end of the open-ended cavity.

Abstract: An umbrella opening and closing device adapted for a non-foldable umbrella and is particularly characterized in its simple structure and the lack of conventional spring lactches used to support the main runner in place when the canopy of the umbrella is opened. The present opening and closing device is made up of a first retainer extended from a fixed upper mounting member and a second retainer secured to the slidable main runner that are able to be tightly engaged with each other when the umbrella is opened and can be forced to separate when the umbrella is to be collapsed. A rib fixing ring having a plurality of securing recesses disposed on the periphery thereof is located just below the second retainer for the catching of the ribs of the closed umbrella.