Patents by Inventor Yuan-Chi Liao

Yuan-Chi Liao 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: 6109573
    Abstract: A tripod structure including a plastic-made connecting seat. A bottom end of the connecting seat is formed with three cavities each of which is defined by two lateral securing plates. An angular metal plate is fixed on the outer faces of the two interconnected securing plates. The metal plate is bent to form a left plate and a right plate which are integrally connected with each other and respectively tightly attach to the securing plates. The left and right plates serve to reinforce each other to achieve a good bending strength. Therefore, the securing plates of the connecting seat is able to bear greater lateral force and bending force without deformation. Accordingly, the tripod structure can be stably used without tilting.
    Type: Grant
    Filed: December 31, 1998
    Date of Patent: August 29, 2000
    Inventors: Yuan-Chi Liao, Yuan-Cheng Liao
  • Patent number: 5664756
    Abstract: This invention disclosed an article stand. It includes a tripod having a first leg, a second leg, and a third leg. The article stand further includes two support levers each including an adjustment section and a support section, whereby the space between the support sections and the first and second legs can be changed for receiving different thickness of various kinds of guitars or articles. Also, this support levers can be folded for storage.
    Type: Grant
    Filed: September 26, 1996
    Date of Patent: September 9, 1997
    Inventor: Yuan-Chi Liao