Class / Patent application number | Description | Number of patent applications / Date published |
135022000 | Self-opening and closing | 38 |
20110017248 | UMBRELLA OR PARASOL SYSTEM - The present invention relates to an umbrella or parasol system comprising two shafts. The system further comprises opening springs in the upper parts of the shafts, which together with a support arrangement in the lower parts of the shafts, are arranged to open stretchers of the system. | 01-27-2011 |
20110114142 | AUTOMATIC OPENING AND SHUTTING UMBRELLA - An automatic collapsible umbrella ( | 05-19-2011 |
20110232707 | PROTECTIVE MEMBER FOR AUTOMATIC OPEN CLOSE UMBRELLA WITH ANTI-SPRINGING EFFECT - A protective device for automatic open close umbrellas is revealed. The protective device includes a ratchet mounted in a handle and rotating elastically for retracting or releasing a string, a string whose bottom end is fixed on the ratchet while a top end is fixed on an outer tube of an umbrella shaft or a core tube, and a locking member that is reverse L-shaped and is arranged with an elastic member for turning back therein. The locking member includes an upper part, a lower part, and a middle axle, used as a first-class lever. The upper part is against the bottom of the umbrella shaft so that the fastener can lean against a top surface of the upper part. When the umbrella shaft is gradually folded, the top surface of the upper part of the locking member is separated from the fastener while the bottom of the lower part is locked to one of the ratchet teeth of the ratchet elastically so as to achieve anti-springing effect. | 09-29-2011 |
20120125387 | PROTECTIVE MECHANISM FOR AUTOMATIC UMBRELLA - A protective mechanism for automatic umbrella includes a drive stem, a pulley tackle, a spring motor, a clutch, and a clutch spring; wherein, the drive stem is pivoted beneath the telescopic stick, and a hooked head in the telescopic stick controls a downward movement. The pulley tackle is pivoted beneath the drive stem. A strand has on end fixed to the pulley tackle and the other end secured to an upper notch of the umbrella. The spring motor is installed on the pulley tackle. The clutch is disposed under the pulley tackle. The clutch plate and the clutch spring are consecutively installed at a lower part of the drive stem. Confronting the clutch and the pulley tackle, unidirectional slant gears are able to cooperate with each other. | 05-24-2012 |
20120132239 | UMBRELLA - The umbrella is equipped with a lower ring and upper ring pivotally attached to the bases of each rib and each stretcher, and a main shaft part including an interior pole which is fixed to the upper ring in the upper part, and a circular pipe which is connected to the lower ring in the upper part and is slidably inserted outside of the interior pole. At the opening/closing motion of the umbrella, in response to the umbrella closing operation (umbrella opening operation) to an operation part provided in the lower part of the umbrella, the circular pipe which extends toward the operation part is driven in the direction in which the lower ring approaches (separates from) the upper ring. Consequently, the umbrella opening operation and umbrella closing operation using a single hand become possible in a simple structure. | 05-31-2012 |
20120305038 | Telescopic Tube Structure for Automatic Umbrellas - A telescopic tube structure for automatic umbrellas includes a tube assembly comprised of an outer tube, a middle tube, and an inner tube, which are telescopically interconnected; wherein a plug is fixedly fitted into a top portion of the middle tube, a bullet-shaped element is provided in the tube assembly, a runner string is connected to the bullet-shaped element at a first end thereof, and is sequentially looped around a first runner-string pulley at a top portion of the tube assembly and a second runner-string pulley of a runner and then connected to a cap at a second end thereof, an outer-tube string is connected to the bullet-shaped element at a first end thereof, and is looped around an outer-tube string pulley of the plug and connected to a bottom portion of the outer tube at a second end thereof The structure may allow umbrellas to be operated more conveniently. | 12-06-2012 |
20130206194 | LEVERAGE-BASED LARGE-SIZED UMBRELLA - An umbrella includes an internal shaft fit into an interior chamber of a central post. A cap is fixed to a top end of the internal shaft. An intermediate collar is movably fit to the central post and a runner located below the collar is fixed to the central post. Each of ribs has an inner end connected to the cap. Each of stretchers has two ends connected to the intermediate collar and the respective rib. Each of the driving bars has ends connected to the runner and the respective rib at a location between the connection of the rib to the cap and the connection of the rib to the respective stretcher. A connector is movably fit over the central post below the runner and is connected by a pull bar to the intermediate collar. The connector includes a fixing member engageable and fixable to the central post. | 08-15-2013 |
20130298952 | Umbrapack - The Umbrapack is an umbrella that is harnessed or anchored to a small backpack and is used to shield the wearer from the harmful UV rays from the sun or protect the wearer from the rain, basically creating an umbra or shade of protection without having to hold an umbrella by the handle. While the user is wearing the Umbrapack they may open or close the umbrella by pulling cords that run to the general mechanisms on the umbrella one would use for said function which are conveniently located on the pack itself. Now we can enjoy the comfort of shade from the weather during outside activities without the inconvenience of holding an umbrella handle. | 11-14-2013 |
20140041701 | ELASTIC FORCE MAGNIFYING STRUCTURE OF SELF-OPENING/CLOSING UMBRELLA - The present invention provides an elastic force magnifying structure of self-opening/closing umbrella. The umbrella includes a central post that comprises an inner tube, an intermediate tube, and an outer tube telescopically fit to each other. The central post receives a primary spring received therein. The elastic force magnifying structure includes an elastic force increasing spring arranged inside the outer tube. The elastic force increasing spring is coupled by a coupling sleeve to the primary spring to serve as an extension thereof. | 02-13-2014 |
20140096803 | Umbrella Slide - In order to improve a free-standing parasol, particularly a large parasol, in which canopy rods of a canopy are supported through supporting struts on an accommodating collar ( | 04-10-2014 |
20140116481 | CONTROLLABLE AUTOMATIC UMBRELLA UNFOLDING DEVICE - The present invention relates to the field of parts of a sunshade umbrella, in particular to a controllable automatic umbrella unfolding device, which comprises an upper runner, a middle runner, a lower runner and a center bar. The upper runner of the umbrella is fixed at the top end of the center bar, the middle runner and the lower runner of the umbrella are movably sleeved on the center bar, the upper runner is connected with long ribs, the long ribs are connected with short ribs, the middle runner is connected with branch ribs, the branch ribs are connected with the short ribs, the short ribs are connected with the lower runner, a gas spring is disposed in the center bar, the tail end of a cylinder barrel of the gas spring is connected with the middle runner of the umbrella, a valve is arranged at the end of a piston rod of the gas spring, and a valve opening device is disposed corresponding to the valve. The automatic umbrella unfolding device has the beneficial effects of: automatic umbrella unfolding, controllable stroke, simple structure, very few components and relatively low cost. | 05-01-2014 |
20140373886 | CONTRACTION STRUCTURE OF CENTER POST OF SELF-OPENING UMBRELLA - A contraction structure of center post of self-opening umbrella includes an outer tube and an intermediate tube telescopically fit to each other. The intermediate tube has an upper end to which an outer tube plug is mounted. The center post receives therein two sections of runner cord. The two sections of runner cord each have an end fixed to the outer tube plug and an opposite end extending around a runner cord pulley mounted to an upper end of the center post and fixed to a runner at a first runner-cord fixed position. The present invention applies two sections of runner cord to simultaneously operate so that in withdrawing the runner, two identical pulling forces are applied to the runner to enable smooth withdrawal of the runner. The present invention reduces the number of pulleys used, simplifies the structure, and improves the liability of the umbrella and extends lifespan. | 12-25-2014 |
20150068568 | OPENING SPRING FOR MULTIPLE FOLD AUTOMATIC OPEN-CLOSE UNBRELLA - An opening spring for multiple fold automatic open-close umbrellas is revealed. The opening spring is disposed in a shaft to provide power for extending the shaft while opening the umbrella. The opening spring is formed by a wound wire with a constant wire diameter and having a plurality segments of coils with different outer diameters. A gradually changing part is disposed between two adjacent segments of coils. The coil outer diameter of the gradually changing part is reduced from top to bottom along the axial direction. | 03-12-2015 |
20150096601 | UMBRELLA HAVING IMPROVED SHAFT AND RIB ASSEMBLY - An umbrella is formed of an elongated shaft having a first end and an opposite second end and a runner slidably disposed about the elongated shaft. The umbrella includes a rib assembly including a plurality of ribs that are attached to the runner by a plurality of struts that move between open and closed positions. In accordance with the present invention, the elongated shaft has a cross-sectional shape defined by a plurality of curved sections and a plurality of planar sections interspersed between the plurality of curved sections for providing increased torsional strength to the elongated shaft. At least one of the ribs can have a cross-sectional shape defined by a plurality of curved sections and a plurality of planar sections interspersed between the plurality of curved sections for providing increased torsional strength to the at least one rib. | 04-09-2015 |
20160029752 | CONTROL MECHANISM OF FULL-AUTOMATIC MULTI-FOLDED UMBRELLA - A control mechanism of a full-automatic multi-folded umbrella includes a bolt, a nut and a push rod disposed on the bolt and cooperating with the bolt. The push rod is connected with the nut and the top end of the middle sleeve. The lower end of the bolt is driven by a power source in the umbrella handle to turn clockwise or counterclockwise for the nut to be moved up and down along the bolt. The power source is controlled by a button on the umbrella handle. An umbrella opening/closing transformation ratio mechanism composed of two or three pull ropes is connected with each sleeve of a middle rod set as well as an upper nest and a lower nest to fold or unfold the umbrella. | 02-04-2016 |
135023000 | Tensioned rib and stretcher | 3 |
20090293924 | Automatic umbrella - An automatic umbrella has an electric motor, nose, and gear assembly which rides up or down the interior of the handle/body of the umbrella on threading/gearing on the interior of the umbrella shaft. As the traveler assembly rises the ribs hingedly connected to the traveler extend through notches or slots in the end of the umbrella, until the nose extends out the end and the ribs actually swing downwards. Motion of the ribs is controlled by a pin or guide on the side of the notch which cooperates with the shaped sides of the umbrella ribs. The nose acts to tension the canopy in the deployed position. The traveler may move due to a rotating gear engaging the threaded inside surface of a tubular body, or the tubular body may be rotated (preferably within an outer housing) and the traveler forced upward by the motion. | 12-03-2009 |
20110214704 | GUY STRUCTURE FOR AN AUTOMATIC UNFOLDING AND FOLDING UMBRELLA - A guy structure for an automatic unfolding and folding umbrella is provided. The guy structure includes two or more guys: One guy is a lower nest guy, provided at least between a middle rod and a lower nest; the other is an unfolding guy, provided at least between the middle rod and a spreading component in the umbrella head. While unfolding the umbrella, an unfolding spring stretches and opens part of the middle rod pipe. The unfolding guy pulls and opens the rest section of middle rod pipe with the cooperation of the lower nest guy, and forms the complete unfolding status. While folding the umbrella, the folding spring makes the lower nest move downward under force of the folding spring. At this time, the unfolding spring does not generate tension on the middle rod pipe above it, thus the middle rod pipe above the unfolding spring can be collected through the lower nest guy or the unfolding guy. Thereby, part of the middle rod pipe can be collected while folding the umbrella cover, so it can effectively shorten the middle rod length after folding the umbrella. | 09-08-2011 |
20120125388 | Automatic Folding/Unfolding Umbrella - An automatic folding/unfolding umbrella includes a main rod, umbrella ribs for supporting a canopy, a slide element, and a handle. The umbrella ribs are pivotally installed at the tip of the main rod, and primary link rods are pivotally installed under the tip of the main rod. A secondary link rod is pivotally coupled between each corresponding umbrella rib and each primary link rod. The slide element is installed on the main rod. A handle installed at a bottom end of the main rod includes a link mechanism. The main rod includes a link element and a link mechanism coupled to the slide element. Elastically stretchable elements couple the slide element with the primary link rod. The link mechanism is driven by the link element to slide the slide element. The elastically stretchable elements are pulled to drive the primary link rods to unfold or fold the umbrella ribs. | 05-24-2012 |
135024000 | Handle release | 20 |
20080314425 | PUSH-BUTTON OPERATED EXTENDABLE HANDLE ASSEMBLY FOR AN UMBRELLA - A push-button operated extendable handle assembly for opening and closing a canopy of an umbrella includes a primary shell member which is movable axially relative to a secondary shell member secured to a handle-side end of a tubular shaft of the umbrella, an upper pushing unit disposed to be operated to release a runner from a lowermost position to an uppermost position for opening the canopy, and a lower pushing unit disposed to be operated to release the runner from the uppermost position to the lowermost position for closing the canopy. The primary shell member is actuated through a transmitting mechanism to move between non-stretched and stretched positions when the runner is moved between the lowermost and uppermost positions for facilitating gripping of the handle assembly in a state of use, and for facilitating carrying and storage of the umbrella in a state of non-use. | 12-25-2008 |
20090293925 | Umbrella with mechanism for automatic opening or closing - An umbrella includes a control mechanism comprising a hollow cylinder, a control block, a press mechanism, a push member, and an actuation block; a shank assembly comprising a support tube, first and second sliding tubes, and a resilient member; a link assembly comprising a pulley mechanism, a main spring, a rope, and a link; a runner and top assembly comprising a runner having peripheral slots wherein one of the slots is secured to the rope, and a hub secured to the cylindrical section and having peripheral slots; and a rib and stretcher assembly comprising ribs, stretchers, and auxiliary spring and rod combinations. Umbrella can be opened by pressing the push button with the main spring being expanded or closed by pressing the push button again with the auxiliary springs being compressed. After closing the umbrella, the main spring can be compressed by urging against a hard object. | 12-03-2009 |
20100116304 | SAFELY OPERABLE HANDLE DEVICE FOR AN AUTOMATIC FOLDABLE UMBRELLA - A safely operable handle device includes a grip shell coupled to a telescopic central shaft unit, a retained block releasably blocked so as to hold the umbrella in an opened state, a reel member rotatably mounted in the grip shell and biased by a coil spring, a cord reelable on the reel member and coupled to one of a top notch and the retained block, an actuator, and a unidirectional retaining mechanism. Upon application of a pressing force to telescopically fold the central shaft unit, and upon movement of the actuator in response to a stroke movement of a push button, the reel member turns in a counterclockwise direction to reel in the cord, and is prevented from turning in a clockwise direction so as to hold the central shaft unit in position to thereby avoid undesirable extension of the central shaft unit. | 05-13-2010 |
20100186788 | AUTOMATICALLY-COLLAPSIBLE MULTI-FOLDED UMBRELLA - An umbrella includes a central post consisting of multiple tubular segments telescopically connected to each other. A crown set at an upper end and carrying an upper pulley and a runner slidably fit over the central post and carrying a lower pulley. A pulley cable has an upper section extending around the pulleys and fixed to the crown and a lower rigid section carrying a fixer that is movably receive in a handle and forms locking slots engageable by a switch control device. A spring is arranged between the crown and the fixer to apply a spring force to maintain the umbrella in an open condition. Each tubular segment of the central post has a lower end to which a protection sheath is mounted for finger protection. | 07-29-2010 |
20100206347 | FULLY AUTOMATIC COLLAPSIBLE AND MULTI-FOLDABLE UMBRELLA - A fully automatic collapsible and multi-foldable umbrella includes an umbrella rib, an upper nest, a lower nest, a middle rod and a compression spring disposed between the upper and lower nests or a tension spring disposed on the umbrella rib. The middle rod has upper and lower internal plugs. A fastener fastening an external tube of the middle rod is disposed in the upper internal plug so that the middle rod may extend to open the umbrella. The umbrella further includes first and second pull wires. The first pull wire has one end coupled to the lower internal plug and the other end connected to the upper nest after the wire wraps around pulleys on the upper and lower nests. The second pull wire has an upper end connected to the fastener and a lower end connected to a runner on a handle so that the runner drives the fastener. | 08-19-2010 |
20100288317 | AUTOMATIC UMBRELLA SAFETY DEVICE - An automatic umbrella safety device inside the body of umbrella handle comprises a shaft, a ratchet, a spring, a positioning block, and a stay cord. A lug is formed inside the positioning block. The lug stretches into a shaft hole of the body from a hole at a side on the side wall of body and is opposite to a site where the buckle provided in the umbrella stick retracts. By means of the unidirectional effect of ratchet, when the umbrella is closed, the umbrella stick may retract only downwards; once the downward retract power fades away, the stay cord may be promptly used to pull the umbrella stick for preventing the umbrella, when being closed from accidentally bouncing caused by the applied to the umbrella fading downward power, and from hurting others. | 11-18-2010 |
20100319739 | RETRIEVING STRUCTURE ADAPTED FOR A PROTECTIVE DEVICE IN A COLLAPSIBLE UMBRELLA - The disclosure utilizes a driving cord directly penetrating a base for connecting to an upper accommodation. Since the existing driving cord is readily worn out as well as influences the appearance of an integral umbrella, the present invention provides a retrieving structure adapted for a protective device in a collapsible umbrella. The retrieving structure comprises the driving cord having its one end fixed to a pulley tackle and having its other end fixed to the upper accommodation. Wherein, the driving cord disposed between the pulley tackle and the upper accommodation is hidden in a case of an umbrella support. By means of the hidden driving cord, the using life thereof could be extended, and the entire protective device of the umbrella could have an extensive using life as well as a neat appearance. | 12-23-2010 |
20110139200 | SAFETY STRUCTURE FOR AUTOMATIC OPENING/CLOSING OF AN UMBRELLA - In a safety structure for an automatic opening/closing umbrella, a completely locked-in condition is provided for determining whether or not the umbrella is closed and stored to prevent an accident caused a partially locked-in condition of the umbrella, such as a sudden pop-out of a handle part of the umbrella that hits any part of a user's body. The safety structure alleviates impacts and includes a mark and the handle part is made of an elastic material. When the rod is pushed into the handle part to enter an entry portion of the umbrella and reach a completely locked-in condition, the mark is labeled noticeably on the rod, and at least one distal portion of the handle part is made of a suitable elastic material such as polyurethane. | 06-16-2011 |
20110192435 | CENTRAL SHAFT CONTROL STRUCTURE OF SELF-OPENING/CLOSING UMBRELLA - A central shaft control structure is provided for a self-opening/closing umbrella and is arranged in a handle of the umbrella for self-opening/closing of the umbrella, including a safety device composed of a reversal prevention wheel having a toothed surface, an operation bar comprising a pawl, and a barrel fit over the operation bar. The reversal prevention wheel comprises a safety rope wrapped therearound and having an end fixed to a third central shaft segment. When errors occur in the course of compression in closing the umbrella, the central shaft that is being compressed can be held in position, so that instantaneous spring back of the central shaft caused by an umbrella opening spring that is in a compressed condition can be prevented to ensure safety of operation and control of the self-opening/closing umbrella. | 08-11-2011 |
20110226295 | SAFETY CENTRAL SHAFT EXTENSION AND CONTRACTION CONTROL STRUCTURE OF SELF-OPENING/CLOSING UMBRELLA - A safety central shaft extension and contraction control structure is mounted in a handle of a self-opening/closing umbrella and includes a main body mounted to a first shaft segment of the central shaft. Mounted to a lower portion of the main body are an operation plate and a pawl plate, which are in engagement with each other, and a reversal prevention wheel having a toothed surface. A safety rope is wrapped around the reversal prevention wheel and has an end attached to a crown of the umbrella. When errors occur in the course of compression of the central shaft in closing the umbrella, the central shaft that is being compressed can be held in position, so that instantaneous spring back of the central shaft caused by an umbrella opening spring that is in a compressed condition can be prevented to ensure safety of operation and control of the self-opening/closing umbrella. | 09-22-2011 |
20110284043 | CONTROL STRUCTURE OF SELF-OPENING/CLOSING UMBRELLA - A control structure is provided for mounting to a handle of a self-opening/closing umbrella and includes a reversal prevention wheel around which a safety rope is wound and extending through a central shaft of the umbrella with an end fixed to the reversal prevention wheel and an end fixed to a crown. A locking member that includes a pawl bar and an operation bar is arranged above the reversal prevention wheel. When The umbrella is being compressed and closed, the pawl bar engages a toothed surface of the reversal prevention wheel, whereby when errors occur in the closing of the umbrella, reversed rotation of the wheel is prevented by the pawl bar and the safety rope connected to the reversal prevention wheel is prevented from extension so as to prevent the central shaft from undesired extension and instantaneous spring back of the central shaft is also prevented. | 11-24-2011 |
20120012140 | Semi-automatic umbrella with an automatically retractable central shaft - A semi-automatic umbrella includes a telescopic central shaft, a handle, and a runner slidable along the shaft. A first pull cord is placed in a tensed state when the shaft is extended, which causes an upward biased movement of an actuating member to thrust a spring-biased runner-retaining member to disengage from the shaft once the first pull cord is released. A tension spring body coupled to a second pull cord is stretchable to acquire an urging force. The stretched tension spring body enables an upward movement of the runner for spreading the umbrella. Once the urging force is released, a downward movement of the runner causes collapse of the umbrella and disengagement of a spring-biased shaft-retaining member from the shaft, thereby permitting folding of the shaft and closing the umbrella. | 01-19-2012 |
20120055522 | Automatic Safety Device for an Umbrella - The invention is an automatic safety device for opening and closing an umbrella. The device is disposed within the grip body of an umbrella and includes a reel member, a ratchet, a coil spring, a rocker, a reset spring and a dragline. The reel member is secured to the ratchet and coil spring and is rotatably mounted about a reeling axis. When an umbrella is fully closed, the sidewall of a step-cone within a central shaft engages the releasing convex causing a pawl to disengage from the ratchet. The dragline is tied to the reel member and to the upper nest at the top of the umbrella. When closing the umbrella, the central shaft is only allowed to move downwards as restricted by the unidirectional feature of the ratchet. When the downward force is removed, the dragline holds the central shaft in position, thereby avoiding sudden deployment of the umbrella. | 03-08-2012 |
20120138112 | SAFELY OPERABLE HANDLE DEVICE FOR AN AUTOMATIC FOLDABLE UMBRELLA - A safely operable handle device for an automatic foldable umbrella includes a grip shell coupled with a telescopic central shaft unit, a retained block releasably blocked to hold the umbrella in an opened state, a reel member rotatably mounted in the grip shell and biased to reel in a force transmission cord to restrict extending movement of the central shaft unit, a pawl member movable to engage or disengage from a ratchet tooth of the reel member, and a force-transmitting mechanism urged to move from a lower position to an upper position, and having a camming surface mated with a cammed surface of the pawl member to move the pawl member to engage the ratchet tooth so as to prevent undesirable unfolding of the central shaft unit as a result of accidental slip-off during folding. | 06-07-2012 |
20120180833 | CONTROL STRUCTURE FOR AUTOMATICALLY FOLDING AND UNFOLDING UMBRELLA - An improved control structure for automatically folding and unfolding umbrella is provided. The control structure contains a main body whose upper and lower halves are hollow with a support base in the middle. A control piece is installed in the upper hollow space for locking the nest when the umbrella is closed and for pushing away the bullet head when the umbrella is opened. A lever having a slant block at a top end is pivotally configured on the support base. An actuating piece is configured on top of the lever. In the lower hollow space of the main body, a one-way wheel with ratchets is installed and wound with a safety string. When the umbrella is closed, the lever is prepared to engage the ratchets whenever some mishap occurs. Therefore, the umbrella is safer to operate. | 07-19-2012 |
20130037067 | SHAFT STRUCTURE OF AUTOMATIC UMBRELLA - The present invention provides a structure of shaft of automatic umbrella, which includes a shaft assembly including a second section having a top end fixed to an internal plug. An inner tube is fixed at a top end thereof to the internal plug and receives therein an operation tube having a bottom coupled to an operation plug. The inner tube receives in a top portion thereof a pulley around which an operation cable wraps. An end of the operation cable is fixed to the bullet-like member and an opposite end fixed to the operation plug. To open the umbrella, a push button is depressed and an expansion spring pushes upward the second section so that the runner cable and the operation cable drive the runner and a third shaft section upward to completely open the umbrella. | 02-14-2013 |
20130074892 | STRUCTURE OF SELF-OPENING/CLOSING UMBRELLA - A self-opening/closing umbrella includes a central shaft unit having an improved structure. The central shaft unit forms a raised channel on one side of a third shaft segment and a pulley is pivotally mounted to a lower portion of the raised channel. A second shaft segment has a top to which an internal plug including a pulley is fixed and includes a first pull rope having an end fixed to a bullet-head member and an opposite end extending upward to warp around the pulley of the internal plug, projecting through a sideway slot, extending downward to wrap around the pulley inside the third shaft segment for upward extension to fix to a top end of the third shaft segment. A second pull rope has an end fixed to the internal plug and an opposite end extending across a top cap to project outward to fix to the runner. | 03-28-2013 |
20140182641 | MULTI-FOLDED FULL-AUTOMATIC OPENING-CLOSING UMBRELLA - A multi-folded full-automatic opening-closing umbrella comprises a frame, cloth, a middle rod set, an upper nest, a lower nest, a handle, an umbrella opening/closing transformation ratio mechanism disposed in the middle rod set, and an umbrella opening/closing driving mechanism disposed in the handle and the middle rod set. The umbrella opening/closing driving mechanism drives the middle sleeve of the middle rod set to move up and down relative to the inner sleeve, and linkage opening/closing functions of the sleeves of the middle rod set and the cloth are realized at the same time. | 07-03-2014 |
20150040954 | AUTOMATIC UMBRELLA - The automatic umbrella has an improved tube unit which contains a first tube, a second tube, and a third tube telescoping together. An inner plug is positioned inside the second tube. A reinforcing tube is housed in the second tube and capable of moving upward through the inner plug. The main spring has its top end against the reinforcing tube, and its bottom end in a lower part of the first tube. The secondary spring is inside the third tube with a top end against the inner plug of the top nest and a bottom end against the inner plug of the second tube. The tube unit enjoys enhanced resilience when the automatic umbrella is opened. When the umbrella is closed, two sets of springs are compressed at separate instants and their resilience cancels each other indirectly. The strength to close the umbrella is therefore reduced. | 02-12-2015 |
20150366306 | FULL AUTOMATIC OPENING AND CLOSING STRAIGHT BONE UMBRELLA - A full automatic opening and closing straight bone umbrella includes a middle bar set and an opening and closing umbrella drive mechanism in the middle bar set, an umbrella frame, an umbrella cloth, an upper nest, a middle nest, an umbrella handle, and a power source in the umbrella handle. The opening and closing umbrella drive mechanism includes a lead screw connected to the power source and an ejector sleeve driven by the lead screw. The middle bar set includes a middle pipe and an outer pipe. The ejector sleeve passes through the middle pipe and is connected to the outer pipe. When the power source is operated to drive the lead screw to turn clockwise or counterclockwise, the ejector sleeve brings the outer pipe to move up or down relative to the middle pipe to provide a full automatic opening and closing function to the umbrella. | 12-24-2015 |