Patents by Inventor Kim Chol

Kim Chol 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).

  • Publication number: 20120142444
    Abstract: An adjustable golf shaft having an upper shaft member and a lower shaft member. The upper shaft member has an elongated bore therein and the lower shaft member has a cylinder and a rod having one end fixed to a proximal end of the cylinder. A fixed bushing is positioned within the elongated bore of the upper shaft member and has an elongated bore extending therethrough. The rod is slidably mounted through the elongated bore of the bushing. The frictional force between the rod and the bushing prevents the rod from sliding relative to the bushing when the user of the golf swings the golf shaft. The shaft also includes a threaded screw, where the bushing includes a female thread to accommodate the threaded screw.
    Type: Application
    Filed: February 12, 2012
    Publication date: June 7, 2012
    Inventor: Kim Chol
  • Patent number: 8147348
    Abstract: An adjustable golf shaft having an upper shaft member and a lower shaft member. The upper shaft member has an elongated bore therein and the lower shaft member has a cylinder and a rod having one end fixed to a proximal end of the cylinder. A fixed bushing is positioned within the elongated bore of the upper shaft member and has an elongated bore extending therethrough. The rod is slidably mounted through the elongated bore of the bushing. The frictional force between the rod and the bushing prevents the rod from sliding relative to the bushing when the user of the golf swings the golf shaft.
    Type: Grant
    Filed: May 27, 2011
    Date of Patent: April 3, 2012
    Inventor: Kim Chol
  • Patent number: 8100780
    Abstract: An adjustable golf shaft having an upper shaft member, a lower shaft member, and a locking mechanism to hold the upper shaft member in place relative to the lower shaft member. The upper shaft member has an elongated bore therein and the lower shaft member has a cylinder and a rod having one end fixed to a proximal end of the cylinder. A fixed bushing is positioned within the elongated bore of the upper shaft member and has an elongated bore extending therethrough and a groove. The locking mechanism includes a pin that has a tapered tip configured to engage into the groove.
    Type: Grant
    Filed: July 5, 2011
    Date of Patent: January 24, 2012
    Inventor: Kim Chol
  • Publication number: 20110230277
    Abstract: An adjustable golf shaft having an upper shaft member and a lower shaft member. The upper shaft member has an elongated bore therein and the lower shaft member has a cylinder and a rod having one end fixed to a proximal end of the cylinder. A fixed bushing is positioned within the elongated bore of the upper shaft member and has an elongated bore extending therethrough. The rod is slidably mounted through the elongated bore of the bushing. The frictional force between the rod and the bushing prevents the rod from sliding relative to the bushing when the user of the golf swings the golf shaft.
    Type: Application
    Filed: May 27, 2011
    Publication date: September 22, 2011
    Inventor: Kim Chol
  • Patent number: 7976402
    Abstract: An adjustable golf shaft having an upper shaft member, a lower shaft member and an inner rod. The upper shaft member includes an elongated bore therein with an upper bushing fixed within an upper end of the elongated bore therein. The lower shaft member has an elongated bore therein with a middle bushing fixed within an upper end of the elongated bore therein. The inner rod includes a lower end dimensioned to be fixed to a lower bushing that can slide relative to the lower shaft member. The inner rod is adapted to slide within the middle bushing as the length of the shaft changes. The shaft also includes a fastener or locking mechanism, which secures the lower shaft member within the upper shaft member.
    Type: Grant
    Filed: May 22, 2010
    Date of Patent: July 12, 2011
    Inventor: Kim Chol
  • Patent number: 7874933
    Abstract: An adjustable golf shaft having an upper shaft member, a lower shaft member and a torque resistant mechanism. The adjustable golf shaft includes an upper shaft member having an elongated bore therein, an outer torque resistant member having a substantially cylindrical shape and secured to an inner surface of the upper shaft member, a lower shaft member having a flared upper end configured to fit within the inner surface of the upper shaft member, and an inner torque resistant member having a substantially ring shape and secured to an outer surface of the lower shaft member. The inner torque resistant member is slidably engaged into the outer torque resistant member and configured to prevent the inner torque resistant member from rotating relative to the outer torque member, to thereby form a torque resistant shaft.
    Type: Grant
    Filed: May 8, 2010
    Date of Patent: January 25, 2011
    Inventor: Kim Chol
  • Patent number: 7874932
    Abstract: An adjustable golf shaft having an upper shaft member, a lower shaft member and an inner rod. The upper shaft member includes an elongated bore therein with an upper bushing fixed within an upper end of the elongated bore therein. The lower shaft member has an elongated bore therein with a middle bushing fixed within an upper end of the elongated bore therein. The inner rod includes a lower end dimensioned to be fixed to a lower bushing, and an upper end dimensioned to be fixed to the upper bushing. The inner rod is adapted to slide within the middle bushing as the length of the shaft changes.
    Type: Grant
    Filed: June 24, 2009
    Date of Patent: January 25, 2011
    Inventor: Kim Chol
  • Publication number: 20100304881
    Abstract: An adjustable golf shaft having an upper shaft member, a lower shaft member and an inner rod. The upper shaft member includes an elongated bore therein with an upper bushing fixed within an upper end of the elongated bore therein. The lower shaft member has an elongated bore therein with a middle bushing fixed within an upper end of the elongated bore therein. The inner rod includes a lower end dimensioned to be fixed to a lower bushing that can slide relative to the lower shaft member. The inner rod is adapted to slide within the middle bushing as the length of the shaft changes. The shaft also includes a fastener or locking mechanism, which secures the lower shaft member within the upper shaft member.
    Type: Application
    Filed: May 22, 2010
    Publication date: December 2, 2010
    Inventor: Kim Chol
  • Publication number: 20100216568
    Abstract: An adjustable golf shaft having an upper shaft member, a lower shaft member and a torque resistant mechanism. The adjustable golf shaft includes an upper shaft member having an elongated bore therein, an outer torque resistant member having a substantially cylindrical shape and secured to an inner surface of the upper shaft member, a lower shaft member having a flared upper end configured to fit within the inner surface of the upper shaft member, and an inner torque resistant member having a substantially ring shape and secured to an outer surface of the lower shaft member. The inner torque resistant member is slidably engaged into the outer torque resistant member and configured to prevent the inner torque resistant member from rotating relative to the outer torque member, to thereby form a torque resistant shaft.
    Type: Application
    Filed: May 8, 2010
    Publication date: August 26, 2010
    Inventor: Kim Chol
  • Publication number: 20100056291
    Abstract: An adjustable golf shaft having an upper shaft member, a lower shaft member and an inner rod. The upper shaft member includes an elongated bore therein with an upper bushing fixed within an upper end of the elongated bore therein. The lower shaft member has an elongated bore therein with a middle bushing fixed within an upper end of the elongated bore therein. The inner rod includes a lower end dimensioned to be fixed to a lower bushing, and an upper end dimensioned to be fixed to the upper bushing. The inner rod is adapted to slide within the middle bushing as the length of the shaft changes. The shaft also includes a fastener or locking mechanism, which secures the lower shaft member within the upper shaft member.
    Type: Application
    Filed: November 13, 2009
    Publication date: March 4, 2010
    Inventor: Kim Chol
  • Publication number: 20090258720
    Abstract: An adjustable golf shaft having an upper shaft member, a lower shaft member and an inner rod. The upper shaft member includes an elongated bore therein with an upper bushing fixed within an upper end of the elongated bore therein. The lower shaft member has an elongated bore therein with a middle bushing fixed within an upper end of the elongated bore therein. The inner rod includes a lower end dimensioned to be fixed to a lower bushing, and an upper end dimensioned to be fixed to the upper bushing. The inner rod is adapted to slide within the middle bushing as the length of the shaft changes.
    Type: Application
    Filed: June 24, 2009
    Publication date: October 15, 2009
    Inventor: Kim Chol
  • Patent number: 7563173
    Abstract: An adjustable golf shaft having an upper shaft member, a lower shaft member and an inner rod. The upper shaft member includes an elongated bore therein with an upper bushing fixed within an upper end of the elongated bore therein. The lower shaft member has an elongated bore therein with a middle bushing fixed within an upper end of the elongated bore therein. The inner rod includes a lower end dimensioned to be fixed to a lower bushing, and an upper end dimensioned to be fixed to the upper bushing. The inner rod is adapted to slide within the middle bushing as the length of the shaft changes.
    Type: Grant
    Filed: August 3, 2006
    Date of Patent: July 21, 2009
    Inventor: Kim Chol
  • Publication number: 20080004128
    Abstract: An adjustable golf shaft having an upper shaft member, a lower shaft member and an inner rod. The upper shaft member includes an elongated bore therein with an upper bushing fixed within an upper end of the elongated bore therein. The lower shaft member has an elongated bore therein with a middle bushing fixed within an upper end of the elongated bore therein. The inner rod includes a lower end dimensioned to be fixed to a lower bushing, and an upper end dimensioned to be fixed to the upper bushing. The inner rod is adapted to slide within the middle bushing as the length of the shaft changes.
    Type: Application
    Filed: August 3, 2006
    Publication date: January 3, 2008
    Inventor: Kim Chol