Patents by Inventor Tung-Lu Chang

Tung-Lu Chang 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).

  • Drawer interlocking mechanism apparatus
    Patent number: 7850259
    Abstract: A drawer interlocking mechanism apparatus is applied where a drawer is installed inside an article. A secured plate of the present apparatus is secured at the lateral portion of the article and a sliding plate is connected the present apparatus at the lateral side of the drawer correspondingly to have the sliding plate move on the secured plate indirectly to produce the opening or closing function of the drawer. The sliding plate of the interlocking structure is installed on a single side or both sides of the drawer and also installed at a plurality of drawers in the same way. By means of a preset pull cord of the interlocking structure, a plurality of drawers are connected in series to lock the other drawers synchronously when one of drawers is opened.
    Type: Grant
    Filed: January 15, 2008
    Date of Patent: December 14, 2010
    Assignee: Martas Precision Slide Co., Ltd.
    Inventors: Wan-Lai Chen, Tsung-Po Chang, Tung-Lu Chang
  • Drawer Interlocking Mechanism Apparatus
    Publication number: 20090179534
    Abstract: A drawer interlocking mechanism apparatus is applied where a drawer is installed inside an article. A secured plate of the present apparatus is secured at the lateral portion of the article and a sliding plate is connected the present apparatus at the lateral side of the drawer correspondingly to have the sliding plate move on the secured plate indirectly to produce the opening or closing function of the drawer. The sliding plate of the interlocking structure is installed on a single side or both sides of the drawer and also installed at a plurality of drawers in the same way. By means of a preset pull cord of the interlocking structure, a plurality of drawers are connected in series to lock the other drawers synchronously when one of drawers is opened.
    Type: Application
    Filed: January 15, 2008
    Publication date: July 16, 2009
    Applicant: MARTAS PRECISION SLIDE CO., LTD.
    Inventors: Wan-Lai Chen, Tsung-Po Chang, Tung-Lu Chang