Patents by Inventor Zhongji Xia

Zhongji Xia 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: 20250100175
    Abstract: A chainsaw includes a housing; a first motor supported by the housing; a saw chain driven by the first motor to implement a cutting function; a guide bar, where an end of the guide bar is supported by the housing and the guide bar is used for supporting and guiding the saw chain; an oil pump assembly including an oil pump for pumping lubricants to lubricate the saw chain or the guide bar and an oil can for storing the lubricants; and a second motor for driving the oil pump, where the distance between the center of gravity of the first motor and the center of gravity of the second motor is less than or equal to 1 m.
    Type: Application
    Filed: December 11, 2024
    Publication date: March 27, 2025
    Inventors: Yang Li, Zhongji Xia
  • Publication number: 20240000006
    Abstract: A push power tool includes a chassis. The chassis accommodates at least part of a mowing element. An adjustment mechanism is used for adjusting the mowing height. The chassis includes a first mounting portion for mounting a first gear plate, a second mounting portion for selectively mounting a second gear plate, and a third mounting portion for selectively mounting a connection mechanism for connecting a front wheel set to a rear wheel set. The chassis of the mower and the push power tool adopting the preceding solutions have good versatility.
    Type: Application
    Filed: June 13, 2023
    Publication date: January 4, 2024
    Inventors: Toshinari Yamaoka, Kang Wang, Huixing Fu, Hao Wang, Zhongji Xia