Invention Grant
US08147348B2 Semi-automatically adjustable length and torque resistant golf shaft 有权
半自动可调长度和扭矩高尔夫球杆

  • Patent Title: Semi-automatically adjustable length and torque resistant golf shaft
  • Patent Title (中): 半自动可调长度和扭矩高尔夫球杆
  • Application No.: US13118361
    Application Date: 2011-05-27
  • Publication No.: US08147348B2
    Publication Date: 2012-04-03
  • Inventor: Kim Chol
  • Applicant: Kim Chol
  • Agency: Patent Office of Dr. Chung Park
  • Main IPC: A63B53/16
  • IPC: A63B53/16
Semi-automatically adjustable length and torque resistant golf shaft
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.
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