Patents by Inventor Shoji MIZUMACHI

Shoji MIZUMACHI 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).

  • Buffer stopper
    Patent number: 11209064
    Abstract: A buffer stopper capable of increasing an absorbable energy amount without causing changes in characteristics due to wear of a buffer body. In order to achieve the object, the buffer body containing a rubber elastic body disposed between an end surface formed in a housing and an end surface formed in a shaft which is relatively movable in the axial direction with respect to the housing and a wear resistant sheet which is provided so as to surround the outer peripheral surface of the buffer body and which can contact an inner peripheral surface of the housing by expansion and deformation in the radial direction of the buffer body are provided.
    Type: Grant
    Filed: February 28, 2017
    Date of Patent: December 28, 2021
    Assignee: NOK CORPORATION
    Inventor: Shoji Mizumachi
  • BUFFER STOPPER
    Publication number: 20190085928
    Abstract: A buffer stopper capable of increasing an absorbable energy amount without causing changes in characteristics due to wear of a buffer body. In order to achieve the object, the buffer body containing a rubber elastic body disposed between an end surface formed in a housing and an end surface formed in a shaft which is relatively movable in the axial direction with respect to the housing and a wear resistant sheet which is provided so as to surround the outer peripheral surface of the buffer body and which can contact an inner peripheral surface of the housing by expansion and deformation in the radial direction of the buffer body are provided.
    Type: Application
    Filed: February 28, 2017
    Publication date: March 21, 2019
    Applicant: NOK CORPORATION
    Inventor: Shoji MIZUMACHI