Patent ID: 8915796
Filing Date: 2014-12-23
Classification: A63B,B29L

Abstract:
1. A golf club shaft having a tip end to which a golf club head is attached and a butt end to which a grip is attached, wherein the shaft is composed of a fiber reinforced resin having a fiber layer, and a straight layer continuous along a shaft total length the fiber layer contains a bias layer having bias fibers oriented at an angle with respect to an axial direction of the shaft, the bias layer includes: each bias fiber in the tip-side bias layer has a tensile elastic modulus smaller than that of bias fibers in the butt-side bias layer, and the butt-side end of the tip-side bias layer and the tip-side end of the butt-side bias layer are provided in a same position in the axial direction of the shaft, or in a position where the tip-side bias layer and the butt-side bias layer overlap each other.