Patents by Inventor Lung-Tang Chuang

Lung-Tang Chuang 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: 7101108
    Abstract: A tubular collar is used to take hold of a fixation piece at one longitudinal end of a window shade rod. The collar is provided in an outer wall with a plurality of axial grooves extending through both longitudinal ends of the collar. The collar is provided in an interior with an inner tube extending along the longitudinal direction of the collar. The inner tube is provided with a groove segment and a grooveless segment. The fixation piece is set firmly in place in such a way that the grooved segment of the inner tube is caused to expand by a projection of the fixation piece so as to force the collar to press against the inner wall of a hole of the longitudinal ends of the window shade rod, and that the projection of the fixation piece is intimately embraced by the grooveless segment of the inner tube.
    Type: Grant
    Filed: December 22, 2003
    Date of Patent: September 5, 2006
    Inventor: Lung-Tang Chuang
  • Patent number: 6561475
    Abstract: A curtain traverse rod is secured to the wall by a locating structure which is formed of a wall bracket and a fastening member. The wall bracket is provided with a locating piece which is in turn provided with an elastic body and a retaining edge. The fastening member is fastening with one of two longitudinal ends of the curtain traverse rod and is provided with an arresting piece corresponding in location to the elastic body of the wall bracket, and with an elastic piece corresponding in location to the retaining edge of the wall bracket. The fastening member is detachably fastened to the wall bracket.
    Type: Grant
    Filed: January 11, 2002
    Date of Patent: May 13, 2003
    Inventor: Lung-Tang Chuang