Patents by Inventor Qunli Wei

Qunli Wei 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: 20210076554
    Abstract: The invention relates to an adjusting device, which includes a lifting device for adjusting a position of an attachment in use and a locking mechanism. The lifting device is switched between a locking position and a free position under a locking action of the locking mechanism, the lifting device drives the attachment to move to a first position when the lifting device is in the locking position; and the lifting device drives the attachment to move to a second position so as to work when the lifting device is in the free position. The adjusting device of the present invention has a simple structure, a low production cost, an easy maintenance, and a garden tool using the adjusting device can conveniently and quickly adjust the position of the attachment connected to the garden tool.
    Type: Application
    Filed: September 17, 2020
    Publication date: March 18, 2021
    Inventors: Fei Zhu, Qunli Wei, Shengwen Zhang, Dongdong Shi
  • Publication number: 20210076566
    Abstract: The invention relates to a cutting deck lifting device for adjusting the height of the cutting deck of a mower, the cutting deck lifting device includes a cutting deck having at least one cutting blade mounted thereto, a pedal assembly including a pedal switched between locking and unlocking states for adjusting the height of the cutting deck, a connecting assembly connecting the pedal assembly to the cutting deck and an adjusting assembly connected to the pedal assembly for positioning the cutting deck to a position with a desired height when the pedal is switched between locking and unlocking states. The cutting deck lifting device can conveniently and quickly adjust the cutting deck between the first position and the second position. Simultaneously, the cutting deck lifting device has a simple structure, a low manufacturing cost, and easy installation, and can be applied to a variety of garden tools.
    Type: Application
    Filed: September 17, 2020
    Publication date: March 18, 2021
    Inventors: Qunli Wei, Xiaolei Qiu, Qin Ji, Dongdong Shi
  • Publication number: 20210059118
    Abstract: A mower system comprising a powered mower, a connecting device connected to the powered mower and an attachment connected to the powered mower through the connecting device for conducting specified function during the operation of the mower system. The connecting device includes a mounting assembly mounted to the powered mower and a base rotatably mounted to the mounting assembly for driving the attachment being rotated together with the base in a horizontal plane relative to the powered mower. The utilization rate of the powered mower is effectively improved because other working functions can be conducted by the attachment which is connected to the powered mower through the connecting device.
    Type: Application
    Filed: September 4, 2020
    Publication date: March 4, 2021
    Inventors: Fei Zhu, Qunli Wei, Shengwen Zhang
  • Publication number: 20200404828
    Abstract: The present invention provides a riding lawn mower comprising a frame, a mowing device mounted to the bottom of the frame, a functional unit attached to the front of the frame, and a motor group together with a power supply mounted to the frame. The riding lawn mower also comprises a connecting device connecting the frame and the functional unit. The connecting device comprises a first connector attached on the front of the frame, a second connector attached to the functional unit, and a third connector adapted for fixedly connecting the first connector and the second connector, the first connector and the second connector respectively defining through-holes thereon, the third connector extending through the through-holes of the first and the second connectors to fixedly connect the first and the second connectors.
    Type: Application
    Filed: June 27, 2020
    Publication date: December 31, 2020
    Inventors: Qunli Wei, Dongdong Shi, Linchong Wu, Jiafu Xue, Hui Chen