Patents by Inventor Jang-Ho WANG

Jang-Ho WANG 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: 8776810
    Abstract: A stick is provided in which a gripping tube is fixed to a front end portion of an upper connection tube having a large diameter and a circular-arc engagement portion formed by a front-end cut portion of the gripping tube is tightened or loosened with the operation of a cam lever so that the outer periphery of a lower connection tube is fixed in a pressurized and gripped state or the pressurizing force is released, wherein a contracted tube portion is formed in the outer periphery of the lower connection tube at the portion with which the circular-arc engagement portion comes into contact when the lower connection tube is pressed into the upper connection tube so as to reach a shortened position, and when the cam lever is locked at the shortened position, the circular-arc engagement portion comes into contact with the contracted tube portion having a small outer diameter.
    Type: Grant
    Filed: May 21, 2012
    Date of Patent: July 15, 2014
    Inventors: Jeh-Kun Lah, Jang-Ho Wang
  • Publication number: 20120305041
    Abstract: A stick is provided in which a gripping tube is fixed to a front end portion of an upper connection tube having a large diameter and a circular-arc engagement portion formed by a front-end cut portion of the gripping tube is tightened or loosened with the operation of a cam lever so that the outer periphery of a lower connection tube is fixed in a pressurized and gripped state or the pressurizing force is released, wherein a contracted tube portion is formed in the outer periphery of the lower connection tube at the portion with which the circular-arc engagement portion comes into contact when the lower connection tube is pressed into the upper connection tube so as to reach a shortened position, and when the cam lever is locked at the shortened position, the circular-arc engagement portion comes into contact with the contracted tube portion having a small outer diameter.
    Type: Application
    Filed: May 21, 2012
    Publication date: December 6, 2012
    Applicant: Jeh-Kun Lah
    Inventors: Jeh-Kun LAH, Jang-Ho WANG