Patents by Inventor Tsun-Zong Wu

Tsun-Zong Wu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 9844250
    Abstract: An anti-turning umbrella frame is revealed. The anti-turning umbrella frame includes a plurality of inner main ribs, a plurality of inner connecting ribs, a plurality of middle main ribs, and a plurality of stretchers. An outer end of the inner main rib is riveted to an inner end of the middle main rib to form a first rivet point. The anti-turning umbrella frame features on that a positioning portion is disposed on an inner side of the first rivet point of the inner main rib while a locking portion corresponding to the positioning portion is arranged at or close to the outer end of the inner connecting rib. The locking portion is locked with the positioning portion while the umbrella frame is opened. Thereby the inner main rib and the middle main rib are connected to form a rigid body for preventing the middle main rib from turning over.
    Type: Grant
    Filed: March 3, 2017
    Date of Patent: December 19, 2017
    Inventor: Tsun-Zong Wu
  • Patent number: 9115826
    Abstract: A cable fastener with cable management function is revealed. The cable fastener is a hollow frame formed by two first side walls disposed at an interval along the length direction and two second side walls. The frame has an opening perpendicular to a length direction and two convex bodies arranged symmetrically on inner surfaces of the second side walls. A plurality part of a cable with equal length is respectively mounted into the opening of each cable fastener, passed through the convex bodies and secured in the frame. A plurality of bend points is formed on the cable along the length direction so that the cable is bent into bundles. The cable management and positioning is achieved.
    Type: Grant
    Filed: October 17, 2013
    Date of Patent: August 25, 2015
    Inventor: Tsun-Zong Wu
  • Publication number: 20150107058
    Abstract: A cable fastener with cable management function is revealed. The cable fastener is a hollow frame formed by two first side walls disposed at an interval along the length direction and two second side walls. The frame has an opening perpendicular to a length direction and two convex bodies arranged symmetrically on inner surfaces of the second side walls. A plurality part of a cable with equal length is respectively mounted into the opening of each cable fastener, passed through the convex bodies and secured in the frame. A plurality of bend points is formed on the cable along the length direction so that the cable is bent into bundles. The cable management and positioning is achieved.
    Type: Application
    Filed: October 17, 2013
    Publication date: April 23, 2015
    Inventor: TSUN-ZONG WU
  • Publication number: 20150068568
    Abstract: 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.
    Type: Application
    Filed: September 12, 2013
    Publication date: March 12, 2015
    Inventor: Tsun-Zong Wu
  • Patent number: 8225805
    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.
    Type: Grant
    Filed: March 29, 2010
    Date of Patent: July 24, 2012
    Inventors: Tsun-Zong Wu, Hsien-Jung Chen
  • Publication number: 20110232707
    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.
    Type: Application
    Filed: March 29, 2010
    Publication date: September 29, 2011
    Inventors: Tsun-Zong Wu, Hsien-Jung Chen
  • Patent number: 7509965
    Abstract: A ventilated umbrella includes a foldable frame, upper canopy and lower canopy. An upper and lower stopping rings with certain interval there between are disposed under the upper notched ring of the main shaft while a notched ring for string is slidable between the two stopping rings and a compression spring is between the notched ring for string and the lower stopping ring. A plurality of radial vertical slots with larger inner slots and smaller outer slots are disposed evenly on the notched ring for string so that one end of a plurality of strings is set into the vertical slot and restrained by a ring while the other end is connected to upper circumference of the lower canopy. And the connection point is located under a horizontal line formed by joints between the main ribs and the stretchers. Thereby a plurality of strings is easy to attach on the notched ring for string.
    Type: Grant
    Filed: March 22, 2006
    Date of Patent: March 31, 2009
    Inventor: Tsun-Zong Wu
  • Patent number: 7328714
    Abstract: A grip for an umbrella is provided on an outer wall with a through hole; at least one annular groove having a start point communicating with the through hole and a terminal point; a hook located at the terminal point of the groove; and an elastic strap having an inner end pressing against an inner side of the through hole, and an outer end outward extended through the through hole to form a loop portion having a turning section. The elastic strap could be wound around the groove with the turning section engaged with the hook, and is therefore prevented from tangling other articles in a container holding the umbrella that is not in use. Or, the elastic strap may be extended through a closed item with the turning section engaged with the hook to thereby externally hang the umbrella not in use to the closed item.
    Type: Grant
    Filed: December 21, 2004
    Date of Patent: February 12, 2008
    Inventor: Tsun-Zong Wu
  • Publication number: 20070137682
    Abstract: A ventilated umbrella includes a foldable frame, upper canopy and lower canopy. An upper and lower stopping rings with certain interval therebetween are disposed under the upper notched ring of the main shaft while a notched ring for string is slidable between the two stopping rings and a compression spring is between the notched ring for string and the lower stopping ring. A plurality of radial vertical slots with larger inner slots and smaller outer slots are disposed evenly on the notched ring for string so that one end of a plurality of strings is set into the vertical slot and restrained by a ring while the other end is connected to upper circumference of the lower canopy. And the connection point is located under a horizontal line formed by joints between the main ribs and the stretchers. Thereby a plurality of strings is easy to attach on the notched ring for string.
    Type: Application
    Filed: March 22, 2006
    Publication date: June 21, 2007
    Inventor: Tsun-Zong Wu
  • Patent number: 7204261
    Abstract: A lower nest structure for a collapsible umbrella is provided, which contains a tubular member and a body member. The tubular member is sleeved over the central shaft and contains a tubular section and an operation knob. A pair of guiding holes and a pair of wedges located below the guiding holes are interleaved around the tubular section. The body member has a ring section to sleeve over the tubular section of the tubular member. The ring section is confined by the bottom surfaces of the wedges and the operation knob. A pair of opposing hook elements is configured on top of the ring section which could be flexibly expanded outward, causing a force to clasp inward. On the top ends of the hook elements, reversed hooks are configured to penetrate through the guiding holes of the tubular member and into the positioning holes of the central shaft for fixedly positioning the lower nest.
    Type: Grant
    Filed: September 23, 2005
    Date of Patent: April 17, 2007
    Inventor: Tsun-Zong Wu
  • Publication number: 20070068564
    Abstract: A lower nest structure for a collapsible umbrella is provided, which contains a tubular member and a body member. The tubular member is sleeved over the central shaft and contains a tubular section and an operation knob. A pair of guiding holes and a pair of wedges located below the guiding holes are interleaved around the tubular section. The body member has a ring section to sleeve over the tubular section of the tubular member. The ring section is confined by the bottom surfaces of the wedges and the operation knob. A pair of opposing hook elements is configured on top of the ring section which could be flexibly expanded outward, causing a force to clasp inward. On the top ends of the hook elements, reversed hooks are configured to penetrate through the guiding holes of the tubular member and into the positioning holes of the central shaft for fixedly positioning the lower nest.
    Type: Application
    Filed: September 23, 2005
    Publication date: March 29, 2007
    Inventor: Tsun-Zong Wu
  • Publication number: 20060144431
    Abstract: A grip for an umbrella is provided on an outer wall with a through hole; at least one annular groove having a start point communicating with the through hole and a terminal point; a hook located at the terminal point of the groove; and an elastic strap having an inner end pressing against an inner side of the through hole, and an outer end outward extended through the through hole to form a loop portion having a turning section. The elastic strap could be wound around the groove with the turning section engaged with the hook, and is therefore prevented from tangling other articles in a container holding the umbrella that is not in use. Or, the elastic strap may be extended through a closed item with the turning section engaged with the hook to thereby externally hang the umbrella not in use to the closed item.
    Type: Application
    Filed: December 21, 2004
    Publication date: July 6, 2006
    Inventor: Tsun-Zong Wu
  • Publication number: 20060144432
    Abstract: A folding umbrella includes multiple sets of rib members, each of which includes pivotally connected connecting element, inner, middle, and outer main ribs, stretcher, and inner and outer links. Since the inner link is a round-sectioned rib, and the inner main rib and the stretcher are U-sectioned ribs, the inner link is received in the inner main rib, and the inner main rib with the inner link received therein along with the connecting element are received in the stretcher when the folding umbrella is fully collapsed, allowing the collapsed folding umbrella to have a further reduced volume. The folding umbrella also includes a lower hub having an inward curved waist portion and a conic lower wall portion that provide an increased contact area for a user to comfortably and easily move the lower hub upward or downward to open or collapse the folding umbrella.
    Type: Application
    Filed: December 30, 2004
    Publication date: July 6, 2006
    Inventor: Tsun-Zong Wu
  • Patent number: 7011100
    Abstract: A skeleton for an umbrella includes multiple sets of rib members, each of which includes a main rib, a first link connected to the main rib, and a stretcher connected at an outer end to the first link. Two opposite sets of the rib members are further provided with a second link connected to a near outer end of the main rib, an elastic first ear-forming rib connected at an inner end to the second link, and a pull cord connected at an inner end to a near outer end of the stretcher and at an outer end to an outer end of the first ear-forming rib. The ear-forming ribs are pulled by the pull cords into curved and tense state to look like two ears at two sides of an animal's head when the umbrella is stretched, and flatly bear against the skeleton when the umbrella is collapsed.
    Type: Grant
    Filed: October 21, 2003
    Date of Patent: March 14, 2006
    Inventor: Tsun-Zong Wu
  • Publication number: 20050229960
    Abstract: An umbrella handle adapted for hanging to a closed item includes a handle coaxially connected to a central shaft to form an umbrella, a handle strap secured at an inner end to the handle, and a clip hooking means provided at a predetermined position on an outer surface of an extension wall of the handle. By extending an outer section of the handle strap through a closed item and turning the handle strap to engage the outer section with the clip hooking means, the umbrella handle is hung to the closed item, such as a handle of a handbag, a hanging rod, etc.
    Type: Application
    Filed: April 16, 2004
    Publication date: October 20, 2005
    Inventor: Tsun-Zong Wu
  • Patent number: 6910491
    Abstract: A golf umbrella case is designed for positioning in a golf bag between two transverse partitioning strips at a top opening of the golf bag for receiving a golf umbrella therein, so that the golf bag has an integral and valuable appearance without an outward protruded portion to collide or interfere with external things and cause discomfort to a person carrying the golf bag on shoulder. Any rainwater remained on the golf umbrella is collected in the golf umbrella case without internally wetting the golf bag, and the golf umbrella case may be easily removed from the golf bag to clear rainwater and dust accumulated therein.
    Type: Grant
    Filed: January 9, 2003
    Date of Patent: June 28, 2005
    Inventor: Tsun-Zong Wu
  • Publication number: 20050081900
    Abstract: A skeleton for an umbrella includes multiple sets of rib members, each of which includes a main rib, a first link connected to the main rib, and a stretcher connected at an outer end to the first link. Two opposite sets of the rib members are further provided with a second link connected to a near outer end of the main rib, an elastic first ear-forming rib connected at an inner end to the second link, and a pull cord connected at an inner end to a near outer end of the stretcher and at an outer end to an outer end of the first ear-forming rib. The ear-forming ribs are pulled by the pull cords into curved and tense state to look like two ears at two sides of an animal's head when the umbrella is stretched, and flatly bear against the skeleton when the umbrella is collapsed.
    Type: Application
    Filed: October 21, 2003
    Publication date: April 21, 2005
    Inventor: Tsun-Zong Wu
  • Publication number: 20040134528
    Abstract: A golf umbrella case is designed for positioning in a golf bag between two transverse partitioning strips at a top opening of the golf bag for receiving a golf umbrella therein, so that the golf bag has an integral and valuable appearance without an outward protruded portion to collide or interfere with external things and cause discomfort to a person carrying the golf bag on shoulder. Any rainwater remained on the golf umbrella is collected in the golf umbrella case without internally wetting the golf bag, and the golf umbrella case may be easily removed from the golf bag to clear rainwater and dust accumulated therein.
    Type: Application
    Filed: January 9, 2003
    Publication date: July 15, 2004
    Inventor: Tsun-Zong Wu
  • Publication number: 20030218876
    Abstract: A ferrule for umbrella is made of a light-transmissible material and defines an internal space for accommodating a light-emitting element mounted on a top of the umbrella. The ferrule is fixedly connected to a top of a shaft or an upper hub of the umbrella and is characterized in that at least a part of outer and inner surfaces of the ferrule is provided with a plurality of protrusions. The protrusions function like lens to diffract and scatter light emitted from the light-emitting element to create an enhanced illuminating effect, enabling the umbrella to have a bright illuminating source that provides good visually warning effect.
    Type: Application
    Filed: May 24, 2002
    Publication date: November 27, 2003
    Inventor: Tsun-Zong Wu
  • Publication number: 20030178050
    Abstract: A wind-stable umbrella includes structurally enhanced connectors for connecting ribs to an upper hub and pull cords extended between a middle hub and near-outer ends of the ribs. Each of the connectors includes a forward extended lug portion that is connected to the upper hub, and two shoulder portions extended from two lateral sides of an upper outer end of the lug portion. The shoulder portions increase a structural strength of the lug portions and press against an outer surface of the upper hub when the umbrella is stretched, so that the ribs are more stably connected to the upper hub via the connectors. The pull cords pull outer portions of the ribs inward when the umbrella is stretched, preventing the ribs from turning outward under a strong wind. The wind-stable umbrella therefore has solid overall structure to avoid twist and deformation due to the strong wind.
    Type: Application
    Filed: March 22, 2002
    Publication date: September 25, 2003
    Inventor: Tsun-Zong Wu