Patents by Inventor Hironobu Sekimoto

Hironobu Sekimoto 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).

  • Secondary working apparatus
    Patent number: 4483055
    Abstract: A secondary working apparatus for secondarily machining a blank formed with internal serrations on a cylindrical plane, comprising a stationary housing structure, support means for supporting the blank with the center axis of the cylindrical plane fixed with respect to the housing structure, a plurality of shafts each having a center axis parallel with the center axis of the cylindrical plane and rotatable with respect to the housing structure about an axis coincident with the center axis of the shaft and an axis coincident with the center axis of the cylindrical plane, each of the shafts having a cylindrical eccentric axial portion having a center axis parallel with and radially offset from the center axis of the shaft, cylindrical machining tools coaxially carried on the eccentric axial portions of the shafts, respectively, and each having a center axis coincident with the center axis of the eccentric axial portion of each of the shafts, and an annular guide gear coaxially held in position about the center
    Type: Grant
    Filed: June 14, 1982
    Date of Patent: November 20, 1984
    Assignee: Nissan Motor Company, Limited
    Inventors: Hironobu Sekimoto, Norio Sato
  • Secondary working apparatus
    Patent number: 4479294
    Abstract: A secondary working apparatus for secondarily machining a blank preliminarily formed with internal serrations, splines or teeth on a cylindrical plane, comprising a stationary housing structure, support means for supporting the blank with the center axis of the cylindrical plane fixed with respect to the housing structure, a plurality of shafts each having a center axis parallel with the center axis of the cylindrical plane and rotatable with respect to the housing structure about an axis coincident with the center axis of the shaft and an axis coincident with the center axis of the cylindrical plane, each of the shafts having a cylindrical eccentric axial portion having a center axis parallel with and radially offset from the center axis of the shaft, and generally cylindrical machining tools coaxially carried on the eccentric axial portions of the shafts, respectively, and each having a center axis coincident with the center axis of the eccentric axial portion of each of the shafts, the machining tools incl
    Type: Grant
    Filed: June 14, 1982
    Date of Patent: October 30, 1984
    Assignee: Nissan Motor Company, Limited
    Inventors: Hironobu Sekimoto, Norio Sato