Patents by Inventor Zhiying Du

Zhiying Du 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).

  • Foldable spade
    Patent number: 11510354
    Abstract: The present invention discloses a multifunctional folding spade, which comprises a spade plate and a spade handle, a turntable is welded at the tail end of the spade plate, a spade handle sleeve is provided at the head end of the spade handle, a socket is provided at the head end of the spade handle sleeve, a part of the turntable body is inserted into the socket, the turntable and the spade handle sleeve are provided with matching rotation holes, and a pin shaft passes through the rotation holes to realize the rotating connection between the turntable and the spade handle; the turntable body is further provided with a plurality of angle adjusting holes circumferentially, a locking hole is provided with at the tail end of the spade handle sleeve correspondingly, a locking bolt is provided at one side of the locking hole.
    Type: Grant
    Filed: October 15, 2019
    Date of Patent: November 29, 2022
    Assignee: Taigu Changlin Shovel Co., Ltd.
    Inventors: Qiang Wang, Baojun Zhang, Dingbo Zhang, Haobo Xu, Yixiao Wang, Xinyin Zhang, Zhiying Du
  • Multifunctional Folding Space
    Publication number: 20210227740
    Abstract: The present invention discloses a multifunctional folding spade, which comprises a spade plate and a spade handle, a turntable is welded at the tail end of the spade plate, a spade handle sleeve is provided at the head end of the spade handle, a socket is provided at the head end of the spade handle sleeve, a part of the turntable body is inserted into the socket, the turntable and the spade handle sleeve are provided with matching rotation holes, and a pin shaft passes through the rotation holes to realize the rotating connection between the turntable and the spade handle; the turntable body is further provided with a plurality of angle adjusting holes circumferentially, a locking hole is provided with at the tail end of the spade handle sleeve correspondingly, a locking bolt is provided at one side of the locking hole.
    Type: Application
    Filed: October 15, 2019
    Publication date: July 29, 2021
    Inventors: Qiang Wang, Baojun Zhang, Dingbo Zhang, Haobo Xu, Yixiao Wang, Xinyin Zhang, Zhiying Du