Patents by Inventor Xiang Shan Zhang

Xiang Shan Zhang 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).

  • Folding wheeled cart
    Patent number: 10737712
    Abstract: A collapsible cart assembly having a framework with two brackets. The two brackets have first arms, second arms and third arms. A rear leg frame section is rigidly affixed to the first arms. A front leg frame section that is pivotably connected to the second arms. A handle frame section is pivotably connected to the third arms of the brackets. Slides are disposed on the rear leg frame section. A first set of linkages connect the slides to the front leg frame section. A second set of linkages connect the slides to the handle frame section. The slides and linkages move the front leg frame the handle frame between an open configuration and a closed configuration.
    Type: Grant
    Filed: April 24, 2019
    Date of Patent: August 11, 2020
    Assignee: Rio Brands, LLC
    Inventors: Scott Garrison, Xiang Shan Zhang
  • Folding Wheeled Cart
    Publication number: 20190337547
    Abstract: A collapsible cart assembly having a framework with two brackets. The two brackets have first arms, second arms and third arms. A rear leg frame section is rigidly affixed to the first arms. A front leg frame section that is pivotably connected to the second arms. A handle frame section is pivotably connected to the third arms of the brackets. Slides are disposed on the rear leg frame section. A first set of linkages connect the slides to the front leg frame section. A second set of linkages connect the slides to the handle frame section. The slides and linkages move the front leg frame the handle frame between an open configuration and a closed configuration.
    Type: Application
    Filed: April 24, 2019
    Publication date: November 7, 2019
    Inventors: Scott Garrison, Xiang Shan Zhang