Patents by Inventor Zhengyu Pan

Zhengyu Pan 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).

  • Publication number: 20170120941
    Abstract: The present invention provides electric pullet truck in the technical field of land transportation equipment. The electric pullet truck comprises a frame including two forks; a steering drive assembly including i) a drive wheel component disposed behind the frame; ii) an oil cylinder component to drive the forks up, which includes an cylinder body and a plunger which could telescopically move within the cylinder body, wherein the cylinder body is fixedly connected with the drive wheel component; iii) a supporting seat component including an annular sleeve and two support arms extending from both sides of the annular sleeve, wherein the annular sleeve is covered outside of a lower portion of the oil cylinder body; and iv) a handle seat component fixedly connected with an upper portion of the cylinder body. The electric pullet truck of the invention has advantages like a high degree of integration and smooth steering.
    Type: Application
    Filed: September 30, 2016
    Publication date: May 4, 2017
    Inventors: Zhengyu Pan, Zhengli Feng, Ji Chen, Feng Tian