Patents by Inventor Yuyi Zheng

Yuyi Zheng 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: 20230234193
    Abstract: An impact tool includes an impact assembly and a housing. The impact assembly is used for applying an impact force to an output shaft and includes a main shaft driven by a drive shaft, an impact block connected to the main shaft, and a hammer anvil mating with and struck by the impact block. A motor is at least partially accommodated in the housing. A length L from a rear end of the housing to a front end of the output shaft is greater than or equal to 78 mm and less than or equal to 97 mm and an outer circumferential diameter D of the housing is less than or equal to 60 mm.
    Type: Application
    Filed: January 9, 2023
    Publication date: July 27, 2023
    Inventors: Rui Xu, Yuyi Zheng, Chen Wang, Masatoshi Fukinuki, Biao Zhang, Hongtao Ke, Hengyong Hu, Chuan Geng, Xiaoyong Wang, Di Wu