Patents by Inventor Edward Zheng

Edward Zheng 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).

  • Publication number: 20030111872
    Abstract: A collapsible chair front and rear leg, seat and back support rods, first and second pairs of cross braces, and solid arm rest, all of which are coupled such that the chair collapses in a single movement in which the front legs approximate each other when the seat support rods pivots towards the back support rods. The seat in preferred chairs is a tensioned seat and continuous with the backrest.
    Type: Application
    Filed: December 19, 2001
    Publication date: June 19, 2003
    Inventor: Edward Zheng
  • Publication number: 20030111874
    Abstract: A collapsible chair has a pair of front legs, a pair of rear legs, a pair of back support rods, a seat, and a cross brace that slidably couples one of the back support rods to one end of the cross brace and one of the front legs. The legs, support rods and cross brace are coupled such that the chair collapses in a single movement in which the front legs approximate each other when the seat pivots towards the back support rods.
    Type: Application
    Filed: December 19, 2001
    Publication date: June 19, 2003
    Inventor: Edward Zheng
  • Patent number: 6575422
    Abstract: A foldable frame for supporting a fabric thereon includes at least three pairs of frame legs each of which comprises a pair of first and second frame legs pivotally connected together where the first and second frame legs cross, an upper frame joint for pivotally connecting top ends of the first frame legs, a lower frame joint for pivotally connecting lower ends of the second frame legs wherein the lower frame joint is positioned below and aligning with the upper frame, and a coupling joint including a slider axle slidably connected between the upper and lower frame joints, a tubular holder affixed on the slider axle between the upper and lower frame joints, and a locker means affixed to the lower frame joint wherein the locker means is adapted for rotatably engaging with the tubular holder in order to lock up the lower frame joint on the slider axle and adjust a distance between the upper and lower frame joints, so as to regulate the tension of the fabric.
    Type: Grant
    Filed: December 18, 2000
    Date of Patent: June 10, 2003
    Inventor: Edward Zheng
  • Publication number: 20030057741
    Abstract: The cushioned seat and back support, which is adapted for mounting on a chair frame of a collapsible chair, includes a support layer, a cover layer overlapped with the support layer, and a cushion layer sandwiched between the support layer and the cover layer, wherein the back support portion of the support layer is mounted to back frame legs of the foldable chair frame and the seat support portion of the support layer is supported by two front upper frame joints of the foldable chair frame, so as to substantially mount the cushioned seat and back support on the foldable chair frame.
    Type: Application
    Filed: September 27, 2001
    Publication date: March 27, 2003
    Inventor: Edward Zheng
  • Publication number: 20030052518
    Abstract: A tensional support arrangement includes a pair of guiding holders rotatably connected to back supporting frame legs respectively and a pair of side supporting arms, which are positioned at two outer sides of a chair frame, each has a support portion pivotally connected to the respective front joint at a front end thereof and a guiding portion slidably connected to the respective guiding holder, wherein two side edge portions of a seat fabric are substantially supported by the support portions of the side supporting arms respectively. Therefore, the tensional support arrangement is capable of substantially increasing the supporting area of the fabric seat to more evenly distribute and support the downward pulling force and stress applied by the user's weight.
    Type: Application
    Filed: September 18, 2001
    Publication date: March 20, 2003
    Inventor: Edward Zheng
  • Patent number: 6533489
    Abstract: A 180-degree folding support joint includes a pair of joint members each including an outer wall and an inner wall and defining an engaging slot therebetween for disposing the inner wall of the other joint member therein, wherein a frame leg is adapted to affix on each joint member in such a manner that in a folded condition, each frame leg is adapted for pivotally rotating 180 degrees from each other in order to pivotally fold the frame legs together, and in an unfolded condition, each joint member is biased against each other in order to lock up the rotation of the joint members, so as to align the frame legs with each other.
    Type: Grant
    Filed: September 15, 2000
    Date of Patent: March 18, 2003
    Inventor: Edward Zheng
  • Publication number: 20030020304
    Abstract: An apparatus for supporting a furniture application with a framework having a cross frame structure, the cross frame structure including a horizontal support clement that is pivotally attached to one cross support element and is removably latched onto another cross support element.
    Type: Application
    Filed: July 29, 2002
    Publication date: January 30, 2003
    Inventor: Edward Zheng
  • Publication number: 20030016991
    Abstract: A universal accessory adapter, which is adapted for attaching to a collapsible outdoor furniture, includes a supporting device for rigidly supporting an accessory item, at least a connector for detachably attaching the supporting device to a frame leg of the collapsible outdoor furniture, and a foldable frame arranged for selectively folding the supporting device from a folded position to an unfolded position. In which, in the folded position, the supporting device is moved to a position close to the frame leg of the collapsible outdoor furniture, and in the unfolded position, the supporting device is moved away from the frame leg of the collapsible outdoor furniture, so as to spacedly mount the supporting device with respect to the frame leg of the collapsible outdoor furniture. Therefore, the universal accessory is substantially supported by the collapsible outdoor furniture, so as to rigidly support the accessory item on the universal accessory adapter.
    Type: Application
    Filed: July 23, 2001
    Publication date: January 23, 2003
    Inventor: Edward Zheng
  • Patent number: 6499906
    Abstract: A pivot joint has a tail portion and a head portion securely affixed thereto wherein the head portion of the pivot joint has at least an engaging slot for pivotally connecting a guest tube frame of the foldable furniture and the tail portion of the pivot joint is adapted for rotatably affixing on a host tube frame of the foldable furniture in such a manner that the guest tube frame is adapted to rotate in various directions with respect to the host tube frame.
    Type: Grant
    Filed: September 15, 2000
    Date of Patent: December 31, 2002
    Assignee: Tofasco of America
    Inventor: Edward Zheng
  • Patent number: 6494530
    Abstract: A foldable chair includes a seat frame and a back frame constructed to support a fabric seat thereon. The seat frame includes two pairs of side frame legs, and a pair of front frame legs and a pair of rear frame legs foldably supported between the two pairs of side frame legs. Each frame leg is pivotally connected to the side crossed leg at its end portion in such a manner the foldable chair eliminates four connecting ground pads such that the foldable chair is capable of further extending its shape and size, so as to substantially increase a supporting area of the seat frame.
    Type: Grant
    Filed: September 15, 2000
    Date of Patent: December 17, 2002
    Assignee: Tofasco of America, Inc.
    Inventor: Edward Zheng
  • Patent number: 6364411
    Abstract: A foldable chair equipped with a utility side desk, which includes a seat frame and a desk frame foldably coupled with the seat frame, wherein the desk frame includes a pair of supporting arms pivotally connecting with a second front and back frame legs of the seat frame respectively, a pair of slider joints for pivotally coupling two inner ends of said two supporting arms with a first front and back frame legs of the seat frame, and a pair of pivot arms which are extending sidewardly from the seat frame pivotally coupling with two outer ends of the two supporting arms respectively. Therefore, the utility side desk is capable of serving as an extra side surface, which is adapted to be quickly and easily folded with the foldable chair into a compact unit for carriage and storage and unfolded for use.
    Type: Grant
    Filed: December 18, 2000
    Date of Patent: April 2, 2002
    Inventor: Edward Zheng
  • Patent number: 6302479
    Abstract: A foldable beach chair includes a seat frame and a back frame constructed to support a fabric seat thereon, wherein the seat includes a pair of foldable supporting arms foldable and vertically biasing against two pairs of side frame legs respectively when the foldable beach chair is unfolded to stretch out. Therefore, the foldable beach chair provides a low height strong frame structure that can well support the user's weight.
    Type: Grant
    Filed: September 15, 2000
    Date of Patent: October 16, 2001
    Assignee: Tofasco of America, Inc.
    Inventor: Edward Zheng
  • Patent number: 6296304
    Abstract: An inclined back support arrangement for folding furniture includes a pair of back support joints pivotally connected to two bottom ends of two back frame legs and a pair of inclination locker for pivotally coupling the two back support joints with two lower portions of the two rear side crossed legs of the seat frame respectively, so as to inclinedly support the two back frame legs in position. Moreover, by varying the coupling position of the two rear side crossed legs with the two bottom ends of the two back frame legs can adjust the inclination of the two back frame legs of the back frame.
    Type: Grant
    Filed: February 18, 2000
    Date of Patent: October 2, 2001
    Inventor: Edward Zheng
  • Patent number: 6247748
    Abstract: The present invention provides a seat support arrangement for a folding chair including a foldable chair frame supporting a fabric seat having a back support portion and a seat support portion, wherein the seat support arrangement comprises a thigh supporting flap integrally and frontwardly extended from a front end of the seat support portion of the fabric seat, and a pair of seat supporting arms which are frontwardly extended from two front upper frame joints of the foldable chair frame and parallelly connected to two side edges of the thigh supporting flap so as to better and more evenly support the seat support portion in such a manner that the thigh supporting flap of the fabric seat is firmly supported to extend frontwardly so as to substantially increase a sitting area of the seat support portion of the fabric seat without increasing the folding size of the folding chair.
    Type: Grant
    Filed: January 3, 2000
    Date of Patent: June 19, 2001
    Inventor: Edward Zheng
  • Patent number: 6241311
    Abstract: A support ring for holding a fabric seat on an inclined frame tube of a portable chair frame allows the support ring to rest horizontally on the inclined frame tube so as to enable the fabric seat also resting horizontally on the chair frame. The support ring has a supporting hole contributed by two semi-circular portions and an intermediate portion extended between the two semi-circular portions. Each of the semi-circular portions has a diameter equal to or slightly larger than a diameter of the inclined frame tube. The intermediate portion also has a width equal to the diameter of the semi-circular portion.
    Type: Grant
    Filed: July 29, 1999
    Date of Patent: June 5, 2001
    Assignee: Tofasco of America, Inc.
    Inventor: Edward Zheng
  • Patent number: 6237993
    Abstract: A foldable frame for beach chair, which comprises a seat frame and a back frame foldably coupled with the seat frame, wherein a pair of foldable supporting arms each having a pivot end pivotally connected with one of the two crossed side frame legs of the respective pair of side frame legs of the seat frame in such a manner that a supporting end of each of the supporting arms is extended to bias against the other side frame legs of the respective pair of side frame legs when the foldable frame is unfolded to stretch out. Therefore, the foldable frame provides a low height strong frame structure that can well support the user's weight of the user.
    Type: Grant
    Filed: January 12, 2000
    Date of Patent: May 29, 2001
    Inventor: Edward Zheng
  • Patent number: 6234089
    Abstract: A foldable table top for use with a portable table frame includes a plurality of longitudinal table strips laying side by side, a connecting band extended perpendicularly across the longitudinal table strips for connecting the longitudinal table strips side by side together to form a table top-board, a pair of crossing bands extended across and affixed to the longitudinal table strips in a “X” manner, and a securing device for securely mounting the table top on the collapsible table frame. The plurality of longitudinal strips are made of rigid and tensile material, interconnected by bands of stretchable material running diagonally in a crossing pattern and running vertically along the bottom surface of the table in such a manner as to allow the table to be stretched when placed on the portable table frame for use and to be easily folded for storage.
    Type: Grant
    Filed: July 29, 1999
    Date of Patent: May 22, 2001
    Assignee: Tofasco of America, Inc.
    Inventors: Edward Zheng, Paul Zheng
  • Patent number: 6231119
    Abstract: A foldable dual-chair includes a pair of seat frames and a pair of back frame constructed to support a pair of fabric seats thereon respectively wherein a connecting frame is foldably supported between the two seat frames. The connecting frame includes a pair connecting leg posts each having an outer tube frame and an inner tube frame upwardly extended therefrom in a vertical movable manner. So, the connecting leg posts are capably of slidably adjusting their height in such a manner the foldable dual-chair is capable of folding up into a compact unit for easy storage and carriage.
    Type: Grant
    Filed: September 15, 2000
    Date of Patent: May 15, 2001
    Assignee: Tofasco of America, Inc.
    Inventor: Edward Zheng
  • Patent number: 6158361
    Abstract: A foldable table frame includes a table support apparatus which includes a set of our tabletop support arms slidably connecting at their inner, crossing ends to two opposing tabletop support arm holders and at their outer ends pivotally connecting to four frame top joints, such that each set of two tabletop support arms opposedly face with each other and are parallel to the other set of the two tabletop support arms. The table support apparatus further includes a pair of table support pillars for providing greater stability for the table support apparatus for supporting a foldable tabletop, each connecting at its upper end between the respective pair of tabletop support arm holders and at its lower end to a foldable table frame body. The foldable table frame is arranged to allow being pushed together in one motion to fold up the foldable table frame or pulled open to unfold the foldable table frame for the foldable tabletop to mount thereon.
    Type: Grant
    Filed: April 30, 1999
    Date of Patent: December 12, 2000
    Assignee: Tofasco of America, Inc.
    Inventors: Edward Zheng, Paul Zheng
  • Patent number: D468939
    Type: Grant
    Filed: December 13, 2001
    Date of Patent: January 21, 2003
    Inventor: Edward Zheng