Patents by Inventor Shun Fan Lee

Shun Fan Lee 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).

  • Telescoping wheel assembly and telescoping wheel box
    Patent number: 11179968
    Abstract: A telescoping wheel assembly includes a base body, a wheel set and an elastic member. The base body includes a receiving groove. The wheel set is connected to the receiving groove and selectively positioned at an outward position or an inward position relative to the receiving groove. The wheel set includes a wheel axle and a wheel body. The wheel body is connected to an outside of the wheel axle. The elastic member is disposed in the receiving groove and abutted against the base body and the wheel set. When the wheel set is positioned at the outward position, the elastic member provides a buffering elastic force to the wheel set. When the wheel set is positioned at the inward position, the elastic member provides a pushing elastic force to the wheel set.
    Type: Grant
    Filed: October 14, 2019
    Date of Patent: November 23, 2021
    Assignee: CHANG YANG MATERIAL CO., LTD.
    Inventors: Ming Hua Huang, Shun Fan Lee, Shuo Ying Lin, Po Wei Tsao
  • TELESCOPING WHEEL ASSEMBLY AND TELESCOPING WHEEL BOX
    Publication number: 20200122504
    Abstract: A telescoping wheel assembly includes a base body, a wheel set and an elastic member. The base body includes a receiving groove. The wheel set is connected to the receiving groove and selectively positioned at an outward position or an inward position relative to the receiving groove. The wheel set includes a wheel axle and a wheel body. The wheel body is connected to an outside of the wheel axle. The elastic member is disposed in the receiving groove and abutted against the base body and the wheel set. When the wheel set is positioned at the outward position, the elastic member provides a buffering elastic force to the wheel set. When the wheel set is positioned at the inward position, the elastic member provides a pushing elastic force to the wheel set.
    Type: Application
    Filed: October 14, 2019
    Publication date: April 23, 2020
    Inventors: Ming Jua Huang, Shun Fan Lee, Shuo Ying Lin, Po Wei Tsao