Patents by Inventor Shunwei LIANG

Shunwei LIANG 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: 10479610
    Abstract: The present disclosure provides an anti-rollover three-section guide rail including upper rail, a middle rail, a fixed rail and a first roller assembly. The middle rail is in rolling fit with the fixed rail through a second roller assembly; a first rolling slot is formed in the left side wall of the middle rail, and a second rolling slot is formed in the right side wall of the middle rail; the first roller assembly includes a first roller frame; a first roller in rolling fit with the first rolling slot is pivoted to the left side of the first roller frame, and a second roller in rolling fit with the second rolling slot is pivoted to the right side of the first roller frame; the center of the first roller is located below the center of the second roller; and the upper rail includes a rail body.
    Type: Grant
    Filed: March 20, 2019
    Date of Patent: November 19, 2019
    Inventor: Shunwei Liang
  • Publication number: 20190291962
    Abstract: The present disclosure provides an anti-rollover three-section guide rail including an upper rail, a middle rail, a fixed rail and a first roller assembly The middle rail is in rolling fit with the fixed rail through a second roller assembly; a first rolling slot is formed in the left side wall of the middle rail, and a second rolling slot is formed in the right side wall of the middle rail; the first roller assembly includes a first roller frame; a first roller in rolling fit with the first rolling slot is pivoted to the left side of the first roller frame, and a second roller in rolling fit with the second rolling slot is pivoted to the right side of the first roller frame; the center of the first roller is located below the center of the second roller; the upper rail includes a rail body.
    Type: Application
    Filed: March 20, 2019
    Publication date: September 26, 2019
    Inventor: Shunwei LIANG