Abstract: Disclosed is an electrically folding and unfolding multi-fold umbrella, which includes a handle, a pull cord, and an intermediate shaft, the handle is defined at one end of the intermediate shaft, an upper nest and a lower nest are defined at two sides of the intermediate shaft respectively, and the lower nest is adjacent to the handle, a motor, a first gear, and at least one pulley are all located in the upper nest, the first gear is coaxial with one pulley, a side of the motor defines a lead screw, an axis of the pulley is connected to an inner surface of the upper nest, a fixed pulley is defined at a side of an inner surface of the lower nest, one end of the pull cord is fixed in the end of the intermediate shaft, the other end of the pull cord is fixed on the upper nest.

Abstract: An automatic inversely foldable umbrella includes a skeleton structure provided with a main shaft; an upper runner fixed to one end of the main shaft; a lower runner slidably disposed on the main shaft; a middle runner slidably disposed on the main shaft between the upper runner and the lower runner; plural skeleton linkages having a first rib, a second rib, and a foldable rib; plural linking members with one end pivotally disposed on the lower runner and the other end connected with the first rib; a resilient member disposed between the middle runner and the lower runner, and compressible due to the middle runner and the lower runner movement; a first canopy combined to the upper runner and a second canopy combined to the lower runner for covering the skeleton linkages; and a handle. Therefore, the folding and expanding operation of the umbrella are facilitated.

Abstract: An umbrella shank is provided with an FRP inner tube (10); an FRP outer tube (20) for receipt of the inner tube (10); a spring biased moving mechanism (30) including an upper member (31) having a longitudinal groove (311), and a lower member (32) having a longitudinal groove (321) aligned with the groove (311) wherein the lower member (32) is inserted into the inner tube (10), the upper member (31) is on the top of the inner tube (10), and the upper member (31) is in the outer tube (20); a fixing mechanism (40) in an upper portion of the outer tube (20); and a linking mechanism (60) in the outer tube (20) and including a rod (62) having a top secured to the fixing mechanism (40) and a bottom secured to a bottom of the lower member (32), and partially disposed in the grooves (311, 321).

Abstract: The present invention provides an animal defense system with one or more deterrent elements and an apparatus and method for safely deterring an animal which threatens a user. In one embodiment, the device features an electrified deterrent structure comprising arms and linkages. Further, the apparatus may be configured to operate in a variety of user-selected modes that increase effectiveness and reliability in deterring an animal which threatens a user.

Abstract: A container for separating, storing, and dispensing dental picks includes a container to receive a sheet of dental picks, wherein the sheet of dental picks includes multiple interconnected dental picks, a separating device to separate the sheet of dental picks into singular dental picks, and a dispensing device to dispense the singular dental picks, one at a time. A method for separating and dispensing dental picks includes obtaining a sheet of dental picks, wherein the sheet of dental picks includes multiple interconnected dental picks, loading the sheet of dental picks into a container, separating the sheet of dental picks into singular dental picks, and dispensing the singular dental picks one at a time.

Abstract: An umbrella shank is provided with a fiberglass-reinforced plastic (FRP) inner tube (10); an FRP outer tube (20); a spring biased moving mechanism (30) including a three-step diameter upper member (31) having a longitudinal groove (315), and a three-step diameter lower member (32) wherein the lower member (32) is inserted into the inner tube (10), the upper member (31) is complementarily disposed in the lower member (32), and the lower member (32) is in the outer tube (20); a fixing mechanism (40) in an upper portion of the outer tube (20); and a linking mechanism (60) in the outer tube (20) and including a rod (62) secured between the fixing mechanism (40) and a lower part (313) of the upper member (31), and a spring (65) put on the rod (62) and biased between the fixing mechanism (40) and tops of the upper member (31) and the lower member (32).

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: An improved automatic umbrella including a tube plug fixed to a top of a second tube of a telescopic tube assembly, an inner tube fixed to the tube plug within the second tube of the telescopic tube assembly, a control tube being movably fitted in the inner tube, wherein the control tube is provided with a lower control pulley at its inner bottom end and the inner tube is provided with an upper control pulley at its inner top end, and a control line being provided such that a first end of the control line is fixed to a bullet head in the telescopic tube assembly, whereas a second end of the control line is sequentially looped around the upper control pulley and the lower control pulley, and finally fixed to a top end of the control tube, whereby the umbrella can be easily folded into a fully compact form.

Abstract: The present invention relates to an umbrella including: a shank consisting of an outer tube coupled with a handle and inner tube secured within the outer tube; an auxiliary rib fixing member and a main rib fixing member arranged on the top of the outer tube and of the inner tube, respectively; a rib assembly consisting of a plurality of auxiliary ribs and main ribs rotatably assembled to the auxiliary rib fixing member and the main rib fixing member; an operating slit extending in the vertical direction on the handle and opposed to the outer tube; an operating handle moving in a vertical direction along the outer tube and is assembled to the inner tube by a pin inserted through the operating slit; an operating button mounted on the handle is elastically supported by a spring, and has a stopper protrusion inserted into the operating slit; and a stopper hole formed below the operating handle at the position matched to an upper head center and a lower dead center where the inner tube elevates, and which is selec

Abstract: A self-closing collapsible umbrella is disclosed and an example of a three-fold umbrella is described. The umbrella includes a central shaft including a first section that includes a handle carrying an actuation button. A positioning seat that receives a retention block arranged therein is provided between the first section and a second section of the shaft and between the second section and a third section of the shaft. As such, the umbrella is opened manually to have the second section extending and positioned by the retention block engaging an upper end of the first section, and the third section is positioned by being retained at the upper end of the second section. To close the umbrella, a collapsing ring is depressed to drive a rotation block of a control seat to release the engagement of the retention block. Collapsing springs arranged on umbrella ribs apply a force to retract the sections of the central shaft to thereby complete the collapse of the umbrella.

Abstract: 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.

Abstract: 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.

Abstract: A medical tray having a telescoping leg that selectively telescopes in to be out of the way so as to enable the medical tray to be placed on a flat supporting surface or stored, or that telescopes out to provide a secure and stable support that places the medical tray contents in an elevated position. The telescoping of the telescoping leg is controlled by a one hand operated, dual action release mechanism.

Abstract: 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.

Abstract: The present invention relates to an umbrella or parasol system that has two shafts for connecting multiple umbrellas or parasols. The system further has 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: A control device is applied to a base of an umbrella stem. A buckle sits in the base whose upper portion sets a controlling device controlled by the buckle and whose lower portion radially disposes a spool disk. The peripheral wall of the spool disk having ratchets defined thereon is embraced by a spool groove. Two ends of a spiral spring are respectively fixed to the base and the spool disk to generate an elastic force driving the spool disk's rotation. A shift block positioned under the base of the controlling device has a continuous torsion to contact the spool disk and clasp the ratchets. A disk cord provides one end fixed on the spool disk and wound around the spool groove and the other end penetrating the controlling device and the base to join an upper accommodation of the umbrella.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: An automatic collapsible umbrella (100) comprises an idle-popup resistant device (5) to avoid the telescopic stick (3) popping up unexpectedly while folding the umbrella and hurting the person close by. Said idle-popup resistant device (5) consists essentially of a tow rope (51), a ratchet wheel (52), a spiral spring (54) and a pawl (55). The ratchet wheel (52) and the pawl (55) are controlled by a locking head (45). The tow rope (51) passes through the telescopic stick (3) and an end thereof winds the ratchet wheel (52). By the installation of the ratchet and spiral spring (54), the telescopic stick (3) is allowed to move in unidirectional fashion and to be retracted gradually, improving the safety of the umbrella.

Abstract: A two-stage collapsing device includes a base having a passage with first and second slots defined in an inner periphery thereof. A first locking member and a second locking member are movably received in the two slots. The first and second locking members each include a latch to be engaged with a hole of the runner. A button is connected to the base and the second locking member is fixed to the button. A U-shaped member is pivotably connected to the inside of the button and two legs of the U-shaped member can push the first locking member inward to release the runner when opening the umbrella. During the first stage of collapsing the two legs of the U-shaped member are pivoted away from the two distal ends of the first locking member, so that even if the button is pressed, the umbrella does not open.

Abstract: A protective improvement on a collapsible umbrella includes a driving cord directly penetrating a base for connecting to an upper accommodation. The driving cord has its one end fixed to a pulley tackle and its other end fixed to the upper accommodation. A spacer is axially disposed inside a part of the through hole O and extends along an elongated direction of the through hole O for dividing up the part of the through hole O into two half through holes H's, and for separating the driving cord from the pulling cord to facilitate an independent and non-overlapping working space of the driving cord and the pulling cord.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: A one-handed operating mechanism for opening and closing umbrella comprises a handle (1) connected to the bottom end of the stem of the umbrella, an elbow member (2) at its curve pivotally connected to said handle (1), a connecting member (3) with its upper end connected to a slide sliding along the stem to open or close the umbrella, said handle (1) is provided with a channel (4) extending from the upper end to the lower end of the handle to accommodate said elbow member (2) and said connecting member (3) to be moving therein, said channel (4) possesses a bottom side (13), said elbow member (2) possesses a handgrip section (5) exposed outside said channel (4) for palm squeezing, and an actuating section (6) located inside said channel (4) for mutual driving with said connecting member. The connecting member is driven by way of operating the elbow member, thereby driving the slide to slide along the stem to push the runner upward toward the crown to open the umbrella.

Abstract: An umbrella handle quick-release structure includes a positioning member, a spring, and an inner sleeve. The positioning member is fixed at a lower end of an umbrella rod. The inner sleeve is secured to a mounting hole of an umbrella handle. The inner sleeve has an axial insertion hole for insertion of the umbrella rod, an axial side groove at a side wall thereof for the positioning member to slide therein along with the insertion of the umbrella rod, a transverse groove for the positioning member to slide therein along with turning of the umbrella rod, and an axial positioning groove for positioning of the positioning member after being turned. The transverse groove has a first end interconnected with a lower end of the axial side groove and a second end interconnected with the axial positioning groove. An upper end of the axial positioning groove is higher than the transverse groove. The spring is located between a bottom of the mounting hole and a lower end of the umbrella rod.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.