Patents by Inventor Ryuuichi Ishida

Ryuuichi Ishida 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).

  • Patent number: 7500414
    Abstract: In a tilt and/or telescopic type steering column apparatus for a vehicle, in which a column sided bracket attached to a steering column is so provided as to be swingable and/or slidable on a car body sided bracket attached to a car body, a fastening bolt is inserted through a tilt adjustment hole formed in the car body sided bracket and through a telescopic adjustment hole formed in the column sided bracket, the two brackets are pressure-contacted to each other by fastening the fastening bolt and thus fastened in a tilt and/or telescopic adjustment position, while a tilt and/or telescopic adjustment can be made by releasing the two brackets from being pressure-contacted by slackening the fastening bolt, and each of the tilt adjustment hole and the telescopic adjustment hole has a slight gap with respect to the fastening bolt, a steering column apparatus for a vehicle is constructed such that an annular or cylindrical elastic member for preventing a backlash of the fastening bolt from being caused correspondin
    Type: Grant
    Filed: June 2, 2003
    Date of Patent: March 10, 2009
    Assignee: NSK Ltd.
    Inventors: Ryuuichi Ishida, Shin Yoshimoto, Toshimichi Takano
  • Patent number: 7354068
    Abstract: In a tilt and/or telescopic type steering column apparatus for a vehicle, in which a column sided bracket attached to a steering column is so provided as to be swingable about a car body sided bracket attached to a car body, the two brackets are press-fitted to each other by fastening a fastening bolt inserted through the two brackets and thus fastened in a tilt and/or telescopic adjustment position, while a tilt and/or telescopic adjustment can be made by releasing the two brackets from being press-fitted by slackening the fastening bolt, a balance or leap-up spring for biasing a pair of biasing end portions each other is provided, the one biasing end portion of the balance or leap-up spring is fitted to the car body or the car body sided bracket, and the other biasing end portion supports sad steering column or the column sided bracket, an improvement is characterized in that a slide member abutting on the steering column or the column sided bracket is attached to the other biasing end portion of the balanc
    Type: Grant
    Filed: June 2, 2003
    Date of Patent: April 8, 2008
    Assignee: NSK Ltd.
    Inventors: Ryuuichi Ishida, Shin Yoshimoto, Masaki Tomaru
  • Patent number: 7350816
    Abstract: A spacer is interposed between a body-side bracket and a column-side bracket for retaining a steering column. A pin insertion hole through which a supporting pin is passed is formed in the spacer. A portion of the spacer to be broken by the shock of collision is formed in a region of the spacer surrounding the pin insertion hole.
    Type: Grant
    Filed: May 7, 2003
    Date of Patent: April 1, 2008
    Assignee: NSK Ltd.
    Inventors: Ryuuichi Ishida, Toshimichi Takano, Masaki Tomaru
  • Patent number: 7322610
    Abstract: In a manufacturing method of a steering column apparatus for a car in which a column-side bracket attached to a steering column is brought into pressure contact with a body-side bracket attached onto the body of the car to be retained, the body-side bracket or the column-side bracket is comprised of a plurality of divided components in advance, and these plurality of divided components are connected to each other by caulking at the time of assembling, so as to assemble the body-side bracket or the column-side bracket.
    Type: Grant
    Filed: May 13, 2003
    Date of Patent: January 29, 2008
    Assignee: NSK Ltd.
    Inventors: Ryuuichi Ishida, Toshimichi Takano, Masaki Tomaru
  • Publication number: 20050225068
    Abstract: In a tilt and/or telescopic type steering column apparatus for a vehicle, in which a column sided bracket attached to a steering column is so provided as to be swingable about a car body sided bracket attached to a car body, the two brackets are press-fitted to each other by fastening a fastening bolt inserted through the two brackets and thus fastened in a tilt and/or telescopic adjustment position, while a tilt and/or telescopic adjustment can be made by releasing the two brackets from being press-fitted by slackening the fastening bolt, a balance or leap-up spring for biasing a pair of biasing end portions each other is provided, the one biasing end portion of the balance or leap-up spring is fitted to the car body or the car body sided bracket, and the other biasing end portion supports sad steering column or the column sided bracket, an improvement is characterized in that a slide member abutting on the steering column or the column sided bracket is attached to the other biasing end portion of the balanc
    Type: Application
    Filed: June 2, 2003
    Publication date: October 13, 2005
    Inventors: Ryuuichi Ishida, Shin Yoshimoto, Masaki Tomaru
  • Publication number: 20050173913
    Abstract: In a manufacturing method of a steering column apparatus for a car in which a column-side bracket attached to a steering column is brought into pressure contact with a body-side bracket attached onto the body of the car to be retained, the body-side bracket or the column-side bracket is comprised of a plurality of divided components in advance, and these plurality of divided components are connected to each other by caulking at the time of assembling, so as to assemble the body-side bracket or the column-side bracket.
    Type: Application
    Filed: May 13, 2003
    Publication date: August 11, 2005
    Inventors: Ryuuichi Ishida, Toshimichi Takano, Masaki Tomaru
  • Publication number: 20050166700
    Abstract: In a tilt and/or telescopic type steering column apparatus for a vehicle, in which a column sided bracket attached to a steering column is so provided as to be swingable and/or slidable on a car body sided bracket attached to a car body, a fastening bolt is inserted through a tilt adjustment hole formed in the car body sided bracket and through a telescopic adjustment hole formed in the column sided bracket, the two brackets are pressure-contacted to each other by fastening the fastening bolt and thus fastened in a tilt and/or telescopic adjustment position, while a tilt and/or telescopic adjustment can be made by releasing the two brackets from being pressure-contacted by slackening the fastening bolt, and each of the tilt adjustment hole and the telescopic adjustment hole has a slight gap with respect to the fastening bolt, a steering column apparatus for a vehicle is constructed such that an annular or cylindrical elastic member for preventing a backlash of the fastening bolt from being caused correspondin
    Type: Application
    Filed: June 2, 2003
    Publication date: August 4, 2005
    Inventors: Ryuuichi Ishida, Shin Yoshimoto, Toshimichi Takano
  • Publication number: 20050104355
    Abstract: A spacer 16 is interposed between a body-side bracket and a steering column to be retained and passed by a supporting pin 21, so as to be latched on either one of the both brackets, meanwhile a pin insertion hole 19 through which the supporting pin is passed is formed on the spacer and a shock time breaking portion 19a is formed in the surroundings thereof.
    Type: Application
    Filed: May 7, 2003
    Publication date: May 19, 2005
    Inventors: Ryuuichi Ishida, Toshimichi Takano, Masaki Tomaru