Patents by Inventor Zhang Sheng Rong

Zhang Sheng Rong 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).

  • Patent number: 11533856
    Abstract: Electric pole loppers are provided. An electric pole lopper includes a handle, a connecting pole and a pruning component which are connected in sequence, wherein the pruning component comprises a casing, a control mechanism and, connected in sequence, a motive power mechanism, a drive mechanism and a cutter set, wherein the motive power mechanism and the drive mechanism are disposed in the casing, the cutter set is disposed at that end of the casing which is remote from the motive power mechanism, a switch connected to the motive power mechanism is provided on the handle, and the control mechanism is connected to the drive mechanism; the drive mechanism is a worm gear/worm drive mechanism or a ball screw drive mechanism.
    Type: Grant
    Filed: September 1, 2020
    Date of Patent: December 27, 2022
    Assignee: Techtronic Cordless GP
    Inventors: Adis Sabic, Wong Kar Tat, Li Da Zheng, Zhang Sheng Rong, Brian Ron Vines
  • Publication number: 20210068349
    Abstract: Disclosed in the present invention is an electric lopper, comprising a handle, a connecting pole and a pruning component which are connected in sequence, wherein the pruning component comprises a casing, a control mechanism and, connected in sequence, a motive power mechanism, a drive mechanism and a cutter set, wherein the motive power mechanism and the drive mechanism are disposed in the casing, the cutter set is disposed at that end of the casing which is remote from the motive power mechanism, a switch connected to the motive power mechanism is provided on the handle, and the control mechanism is connected to the drive mechanism; the drive mechanism is a worm gear/worm drive mechanism or a ball screw drive mechanism. The present invention is used for pruning bushes, branches, etc.
    Type: Application
    Filed: September 1, 2020
    Publication date: March 11, 2021
    Inventors: Adis Sabic, Wong Kar Tat, Li Da Zheng, Zhang Sheng Rong, Brian Ron Vines