Patents by Inventor Masanori Oinuma

Masanori Oinuma 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).

  • Support device for supporting propeller shaft and propeller shaft itself
    Patent number: 8628250
    Abstract: A support device of a propeller shaft comprises an annular bracket fixed to a floor member of a vehicle body; an annular elastic member disposed in the annular bracket; an annular supporting structure disposed in the annular elastic member and rotatably supporting a cylindrical given portion of the propeller shaft through a ball bearing unit; and an annular seal member intimately disposed in an annular space defined between the annular supporting structure and the cylindrical given portion of the propeller shaft. One of outer and inner cylindrical surfaces of the annular seal member is in slidable contact with either one of an inner cylindrical surface of the annular supporting structure and an outer cylindrical surface of the cylindrical given portion of the propeller shaft.
    Type: Grant
    Filed: May 23, 2008
    Date of Patent: January 14, 2014
    Assignee: Hitchi, Ltd.
    Inventors: Masanori Oinuma, Hidekazu Aoki, Takahiro Kuroha, Takayuki Yokota, Hiromichi Komai, Yoshimichi Takano
  • Support structure for bolting components of drive shaft via mounting member
    Patent number: 8353779
    Abstract: A support structure for bolting components of a drive shaft via a mounting member that comprises at least are mounting member of the drive shaft having formed through a bolt hole, a female thread portion which is formed in the mounting member, the bolt having a male thread portion can be screwed into the female thread portion by inserting the bolt into the bolt hole, and a heat-shrinkable tube that is adapted to provide elastic contact at an inner surface of the bolt hole.
    Type: Grant
    Filed: September 21, 2005
    Date of Patent: January 15, 2013
    Assignee: Hitachi, Ltd.
    Inventors: Masao Kishi, Masanori Oinuma
  • Support structure for bolting components of drive shaft via mounting member
    Patent number: 8109834
    Abstract: A support structure for bolting components of a drive shaft via a mounting member that comprises at least are mounting member of the drive shaft having formed through a bolt hole, a female thread portion which is formed in the mounting member, the bolt having a male thread portion can be screwed into the female thread portion by inserting the bolt into the bolt hole, and a heat-shrinkable tube that is adapted to provide elastic contact at an inner surface of the bolt hole.
    Type: Grant
    Filed: September 21, 2005
    Date of Patent: February 7, 2012
    Assignee: Hitachi, Ltd.
    Inventors: Masao Kishi, Masanori Oinuma
  • SUPPORT DEVICE FOR SUPPORTING PROPELLER SHAFT AND PROPELLER SHAFT ITSELF
    Publication number: 20080293502
    Abstract: A support device of a propeller shaft comprises an annular bracket fixed to a floor member of a vehicle body; an annular elastic member disposed in the annular bracket; an annular supporting structure disposed in the annular elastic member and rotatably supporting a cylindrical given portion of the propeller shaft through a ball bearing unit; and an annular seal member intimately disposed in an annular space defined between the annular supporting structure and the cylindrical given portion of the propeller shaft. One of outer and inner cylindrical surfaces of the annular seal member is in slidable contact with either one of an inner cylindrical surface of the annular supporting structure and an outer cylindrical surface of the cylindrical given portion of the propeller shaft.
    Type: Application
    Filed: May 23, 2008
    Publication date: November 27, 2008
    Inventors: Masanori Oinuma, Hidekazu Aoki, Takahiro Kuroha, Takayuki Yokota, Hiromichi Komai, Yoshimichi Takano
  • Support structure for bolting components of drive shaft via mounting member
    Publication number: 20060063598
    Abstract: A support structure for bolting components of a drive shaft via a mounting member that comprises at least are mounting member of the drive shaft having formed through a bolt hole, a female thread portion which is formed in the mounting member, the bolt having a male thread portion can be screwed into the female thread portion by inserting the bolt into the bolt hole, and a heat-shrinkable tube that is adapted to provide elastic contact at an inner surface of the bolt hole.
    Type: Application
    Filed: September 21, 2005
    Publication date: March 23, 2006
    Inventors: Masao Kishi, Masanori Oinuma