Title:
ゴルフクラブ
Document Type and Number:
Japanese Patent JP7038678
Kind Code:
B2
Abstract:
To provide a golf club which can prevent slice ball flight.SOLUTION: A shaft 12 of a golf club 10 has a high bending rigidity part 34 having a bending rigidity larger by 4% or more than the other portion 36 of the shaft 12. The high bending rigidity part 34 is provided in an axial direction of the shaft 12, between a position to be 300 mm or less from a tip end Tp to a bat end Bt side, and the bat end Bt. The high bending rigidity part 34 is arranged in the circumferential direction of the shaft 12, in a portion to be 1/4 of the whole circumference of the shaft 12 due to extending to both sides in the circumferential direction with a rear end Sb on the circumferential direction of the shaft 12 as the center when a toe 30 of a head 14 is directed forward and a heel 32 is directed backward. The other portion 36 is arranged in a portion of 3/4 in the residue of the whole circumference of the shaft 12.SELECTED DRAWING: Figure 1
Inventors:
Shuji Shima
Application Number:
JP2019026182A
Publication Date:
March 18, 2022
Filing Date:
February 18, 2019
Export Citation:
Assignee:
Kasco Corporation
International Classes:
A63B53/10
Domestic Patent References:
| JP2003117034A | ||||
| JP2018038463A | ||||
| JP11070198A | ||||
| JP8252868A |
Attorney, Agent or Firm:
Takehiro Chiba
Toshiyuki Miyadera
Takayuki Chima
Yasuharu Nakasone
Shiro Sakai
Tosuke Sekiguchi
Toshiyuki Miyadera
Takayuki Chima
Yasuharu Nakasone
Shiro Sakai
Tosuke Sekiguchi