Patents by Inventor Xunqing Yu

Xunqing 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).

  • Patent number: 10315061
    Abstract: The disclosure discloses a skipping head with skipping rope self-locking function. The skipping head comprises a rope guide tube, a conical housing, steel balls, a spring, a compression nut, a bearing, a bearing seat and a screw; the rope guide tube is provided with three concentric circular holes, which are embedded with steel balls, to compose a skipping rope chuck; the tail end of the chuck is connected to a spring, which is connected with the conical housing through the compression nut, to compose a skipping rope self-locking device; a bearing is internally installed at both ends of the bearing seat respectively, to form a skipping head rotating device; one end of the bearing seat is connected with a rope locking device, the other end will be connected with a skipping handle; the rotating device and the skipping rope gripping device are integrally connected by the screw.
    Type: Grant
    Filed: October 18, 2017
    Date of Patent: June 11, 2019
    Assignee: Yiwu Mida Hardware Co., Ltd.
    Inventor: Xunqing Yu
  • Publication number: 20190111294
    Abstract: The disclosure discloses a skipping head with skipping rope self-locking function. The skipping head comprises a rope guide tube, a conical housing, steel balls, a spring, a compression nut, a bearing, a bearing seat and a screw; the rope guide tube is provided with three concentric circular holes, which are embedded with steel balls, to compose a skipping rope chuck; the tail end of the chuck is connected to a spring, which is connected with the conical housing through the compression nut, to compose a skipping rope self-locking device; a bearing is internally installed at both ends of the bearing seat respectively, to form a skipping head rotating device; one end of the bearing seat is connected with a rope locking device, the other end will be connected with a skipping handle; the rotating device and the skipping rope gripping device are integrally connected by the screw.
    Type: Application
    Filed: October 18, 2017
    Publication date: April 18, 2019
    Inventor: Xunqing Yu
  • Patent number: D829835
    Type: Grant
    Filed: May 27, 2017
    Date of Patent: October 2, 2018
    Assignee: YIWU MIDA HARDWARE CO., LTD.
    Inventor: Xunqing Yu
  • Patent number: D856446
    Type: Grant
    Filed: May 2, 2018
    Date of Patent: August 13, 2019
    Assignee: Yiwu Mida Hardware Co., Ltd.
    Inventor: Xunqing Yu