Patents by Inventor Xinguang Yu

Xinguang Yu 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).

  • MUTE HAND WINCH
    Publication number: 20180346298
    Abstract: A mute hand winch includes a supporting system, a drive system and a braking system. The drive system includes a drive shaft, a capstan assembly and a first gear. Both the drive shaft and the capstan assembly are disposed at the base, the first gear is in threaded connection with the drive shaft, and the first gear is engaged with the capstan assembly. The braking system includes a second gear and a third gear. The second gear is sleeved on the drive shaft and is located at one side of the first gear. There is a gap between the first gear and the second gear. The first gear and the second gear are selectively attached and locked tightly to prevent the first gear and the capstan assembly from rotating. The third gear is fixed at the base, and the third gear has an unilateral bearing.
    Type: Application
    Filed: March 26, 2018
    Publication date: December 6, 2018
    Applicant: Hangzhou Rock Machinery Manufacture Co., Ltd.
    Inventors: Minjie HAN, Xinguang YU
  • Mute hand winch
    Patent number: 10144624
    Abstract: A mute hand winch includes a supporting system, a drive system and a braking system. The drive system includes a drive shaft, a capstan assembly and a first gear. Both the drive shaft and the capstan assembly are disposed at the base, the first gear is in threaded connection with the drive shaft, and the first gear is engaged with the capstan assembly. The braking system includes a second gear and a third gear. The second gear is sleeved on the drive shaft and is located at one side of the first gear. There is a gap between the first gear and the second gear. The first gear and the second gear are selectively attached and locked tightly to prevent the first gear and the capstan assembly from rotating. The third gear is fixed at the base, and the third gear has an unilateral bearing.
    Type: Grant
    Filed: March 26, 2018
    Date of Patent: December 4, 2018
    Assignee: HANGZHOU ROCK MACHINERY MANUFACTURE CO., LTD.
    Inventors: Minjie Han, Xinguang Yu