Patents by Inventor Kunyuan Chu

Kunyuan Chu 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).

  • Counter-rotating polisher
    Patent number: 8894470
    Abstract: A counter-rotating polisher includes: an enclosure, an electric motor, a polishing arrangement and a counter-rotating arrangement. The electric motor is fixed to the enclosure and includes a driving axle. The polishing arrangement includes two polishing device. The polishing devices respectively include a fixed tray and a polishing material that are fixedly connected to an outside of the fixed tray. The fixed tray is perpendicular to the driving axle. The counter-rotating arrangement includes a first driving wheel, a second driving wheel and a change-direction wheel. The first driving wheel is connected to the driving axle and driven by the driving axle. The second driving wheel is fixedly connected to the second fixed tray. The change-direction wheel is connected to the first driving wheel and the second driving wheel. The driving axle rotates the first polishing material positively. The change-direction wheel reversely transmits the rotation to the second driving wheel.
    Type: Grant
    Filed: November 30, 2013
    Date of Patent: November 25, 2014
    Assignee: Hammer Electric Power Tools Co., Ltd.
    Inventors: Jianchu Huang, Kewei Wang, Kunyuan Chu, Xiaoping Xu, Ligang Zhu
  • Counter-rotating polisher
    Publication number: 20140080390
    Abstract: A counter-rotating polisher includes: an enclosure, an electric motor, a polishing arrangement and a counter-rotating arrangement. The electric motor is fixed to the enclosure and includes a driving axle. The polishing arrangement includes two polishing device. The polishing devices respectively include a fixed tray and a polishing material that are fixedly connected to an outside of the fixed tray. The fixed tray is perpendicular to the driving axle. The counter-rotating arrangement includes a first driving wheel, a second driving wheel and a change-direction wheel. The first driving wheel is connected to the driving axle and driven by the driving axle. The second driving wheel is fixedly connected to the second fixed tray. The change-direction wheel is connected to the first driving wheel and the second driving wheel. The driving axle rotates the first polishing material positively. The change-direction wheel reversely transmits the rotation to the second driving wheel.
    Type: Application
    Filed: November 30, 2013
    Publication date: March 20, 2014
    Applicant: HAMMER ELECTRIC POWER TOOLS CO., LTD
    Inventors: Jianchu Huang, Kewei Wang, Kunyuan Chu, Xiaoping Xu, Ligang Zhu
  • Counter-rotating polisher
    Patent number: 8662965
    Abstract: A counter-rotating polisher includes: an enclosure, an electric motor, a polishing arrangement and a counter-rotating arrangement. The electric motor is fixed to the enclosure and includes a driving axle. The polishing arrangement includes two polishing device. The polishing devices respectively include a fixed tray and a polishing material that are fixedly connected to an outside of the fixed tray. The fixed tray is perpendicular to the driving axle. The counter-rotating arrangement includes a first driving wheel, a second driving wheel and a change-direction wheel. The first driving wheel is connected to the driving axle and driven by the driving axle. The second driving wheel is fixedly connected to the second fixed tray. The change-direction wheel is connected to the first driving wheel and the second driving wheel. The driving axle rotates the first polishing material positively. The change-direction wheel reversely transmits the rotation to the second driving wheel.
    Type: Grant
    Filed: November 15, 2010
    Date of Patent: March 4, 2014
    Assignee: Hammer Electric Power Tools Co., Ltd.
    Inventors: Jianchu Huang, Kewei Wang, Kunyuan Chu, Xiaoping Xu, Ligang Zhu