Patents by Inventor Wenyuan Pan

Wenyuan Pan 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).

  • Seat connecting device with adjustable backrest
    Patent number: 11751691
    Abstract: Embodiments provide a seat connecting device with an adjustable backrest, belonging to the technical field of swivel chairs. In the embodiments, the seat connecting device includes a seat back tightness control assembly including a control handle, a universal joint, a transmission rod, a first bevel gear, a second bevel gear, a lifting part, a mounting seat of the lifting part, and a tightness adjust rod.
    Type: Grant
    Filed: June 12, 2020
    Date of Patent: September 12, 2023
    Assignee: Anji Deka Office System Co., Ltd.
    Inventors: Zhenlin Meng, Chiachi Shu, Bin Zheng, Wenyuan Pan, Kun Yang
  • SEAT CONNECTING DEVICE WITH ADJUSTABLE BACKREST
    Publication number: 20220225777
    Abstract: Embodiments provide a seat connecting device with an adjustable backrest, belonging to the technical field of swivel chairs. In the embodiments, the seat connecting device includes a seat back tightness control assembly including a control handle, a universal joint, a transmission rod, a first bevel gear, a second bevel gear, a lifting part, a mounting seat of the lifting part, and a tightness adjust rod. The present disclosure uses the universal joint to replace the original rope for transmission, improving the response timeliness of the force transmission of the product when adjusting the seat back elasticity; and improving the accuracy and controllability of the seat back elasticity adjustment.
    Type: Application
    Filed: June 12, 2020
    Publication date: July 21, 2022
    Inventors: Zhenlin Meng, Chiachi Shu, Bin Zheng, Wenyuan Pan, Kun Yang