Patents by Inventor Junpei ZHANG

Junpei ZHANG 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).

  • Bearing sealing device
    Patent number: 11421738
    Abstract: A bearing sealing device including a slinger member having a slinger cylindrical portion, a slinger flange portion, and a slinger outer diametrical cylindrical portion projecting from an outer diametrical side end portion of the slinger flange portion so as to overlap in diametrical direction with a step portion of the flange, and including a seal member having a seal member having a core member and a seal lip member. A seal outer diametrical cylindrical portion having a region facing an outer circumferential face of the slinger outer diametrical cylindrical portion and projecting so as to overlap in diametrical direction with the step portion is provided on an outer diametrical side end portion of the seal member. A projecting distal end portion of the seal outer diametrical cylindrical portion projects toward a side of the step portion further than a projecting distal end portion of the slinger outer diametrical cylindrical portion.
    Type: Grant
    Filed: March 17, 2020
    Date of Patent: August 23, 2022
    Assignee: UCHIYAMA MANUFACTURING CORP.
    Inventor: Junpei Zhang
  • BEARING SEALING DEVICE
    Publication number: 20200300305
    Abstract: A bearing sealing device including a slinger member having a slinger cylindrical portion, a slinger flange portion, and a slinger outer diametrical cylindrical portion projecting from an outer diametrical side end portion of the slinger flange portion so as to overlap in diametrical direction with a step portion of the flange, and including a seal member having a seal member having a core member and a seal lip member. A seal outer diametrical cylindrical portion having a region facing an outer circumferential face of the slinger outer diametrical cylindrical portion and projecting so as to overlap in diametrical direction with the step portion is provided on an outer diametrical side end portion of the seal member. A projecting distal end portion of the seal outer diametrical cylindrical portion projects toward a side of the step portion further than a projecting distal end portion of the slinger outer diametrical cylindrical portion.
    Type: Application
    Filed: March 17, 2020
    Publication date: September 24, 2020
    Inventor: Junpei ZHANG