Patents by Inventor Meiyuan CHENG

Meiyuan CHENG 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: 10597924
    Abstract: The present invention relates to the technical field of spring hinges, and to a silent spring hinge, which addresses the technical shortcoming that relatively high noise is generated when an existing spring hinge used in a household appliance drives a cabinet door to close.
    Type: Grant
    Filed: May 13, 2016
    Date of Patent: March 24, 2020
    Assignee: UNIND (SHENZHEN) CO., LIMITED
    Inventors: Nengjun Hu, Meiyuan Cheng
  • Patent number: 10501976
    Abstract: The present invention relates to the technical field of spring hinges, and to a gear structure spring hinge, which addresses the technical shortcoming that a closing speed is excessively high when an existing spring hinge used in a household appliance drives a cabinet door to close. The gear structure spring hinge comprises a fixing base and a hinge arm, the fixing base being connected to a first gear through a first gear shaft, a crank shaft being provided on a gear surface of the first gear, the crank shaft being movably connected to a pull rod, a spring assembly being sleeved on the pull rod, a front end of the spring assembly being mated with and snap-fitted to the fixing base; and the hinge arm includes a connecting arm and a second gear, the second gear being provided on an end of the connecting arm, the second gear and the connecting arm forming an integral structure, the second gear being connected to the fixing base through a second gear shaft, the second gear being meshed with the first gear.
    Type: Grant
    Filed: May 13, 2016
    Date of Patent: December 10, 2019
    Assignee: UNIND (SHENZHEN) CO., LIMITED
    Inventors: Nengjun Hu, Meiyuan Cheng
  • Publication number: 20190169902
    Abstract: The present invention relates to the technical field of spring hinges, and to a gear structure spring hinge, which addresses the technical shortcoming that a closing speed is excessively high when an existing spring hinge used in a household appliance drives a cabinet door to close. The gear structure spring hinge comprises a fixing base and a hinge arm, the fixing base being connected to a first gear through a first gear shaft, a crank shaft being provided on a gear surface of the first gear, the crank shaft being movably connected to a pull rod, a spring assembly being sleeved on the pull rod, a front end of the spring assembly being mated with and snap-fitted to the fixing base; and the hinge arm includes a connecting arm and a second gear, the second gear being provided on an end of the connecting arm, the second gear and the connecting arm forming an integral structure, the second gear being connected to the fixing base through a second gear shaft, the second gear being meshed with the first gear.
    Type: Application
    Filed: May 13, 2016
    Publication date: June 6, 2019
    Applicant: UNIND (Shenzhen) Co., Limited
    Inventors: Nengjun HU, Meiyuan CHENG
  • Publication number: 20190169904
    Abstract: The present invention relates to the technical field of spring hinges, and to a silent spring hinge, which addresses the technical shortcoming that relatively high noise is generated when an existing spring hinge used in a household appliance drives a cabinet door to close.
    Type: Application
    Filed: May 13, 2016
    Publication date: June 6, 2019
    Applicant: UNIND (Shenzhen) Co., Limited
    Inventors: Nengjun HU, Meiyuan CHENG