Golf club head

A technology for golf club heads and thick-walled parts, applied to golf balls, golf clubs, rackets, etc., can solve problems such as large amount of bending, decreased durability of the central part, and easy damage, so as to improve rigidity and impact performance , the effect of improving durability

Inactive Publication Date: 2006-06-28
YAMAHA CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, if the wall thickness of the face shell 12 is reduced to reduce its rigidity, although it is possible to increase the flight distance of the golf ball hit by the central part, there is a problem that the durability of the central part will be reduced due to the large amount of bending. drop, the part is easily damaged

Method used

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Embodiment Construction

[0049] Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0050] 1 to 3 are diagrams showing the structure of the club head body of the metal shell structure according to the first embodiment of the present invention. The face shell 2, the crown shell 3, the sole shell 4, and the shaft connecting portion are joined and assembled by welding. The open end portions of the shells 5 are respectively opposite, and the golf club head 1 is completed by grinding the joint portion. In addition, the end of the extension part 5a of the rod connection part casing 5 is welded to the inner bottom of the bottom casing 4, and on the other hand, the end of the rod is inserted into the core hole 5b formed in the rod connection part casing 5 and fixed, Complete golf clubs.

[0051] In addition, a thick portion 2a is formed in advance in the longitudinal direction substantially in the center of the inner surface of the face shell ...

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Abstract

The invention provides a golf club head having a metal outer shell structure with enhanced hitting property by reducing the difference between the carry by hitting at the center part and the carry by hitting at the toe side or the heel side as much as possible while enhancing the rigidity of the center portion of a face outer shell. A thick-walled part is formed in a longitudinal direction at a substantial center of the face outer shell becoming a hitting face in the golf club head constituted such that the body becomes hollow due to the metal outer shell structure.

Description

technical field [0001] This invention relates to the implementation of appropriate face shell modifications to golf club heads constructed of metal shells so as to reduce the variance in ball flight distance when the golf ball is struck from different locations on the face shell. Background technique [0002] A golf club head having a metal shell structure is used in various types of golf clubs commonly known as golf clubs, and various improvements have been made since they can reduce the weight and increase the flight distance of the golf ball. The golf club head with the metal shell structure is formed by joining and assembling various components such as a face shell, a crown shell, a sole shell, and a shaft joint shell to form a club head body. [0003] Fig. 14 shows the structure of the golf club head 11 of this metal shell structure, by welding, joining and assembling face shell 12, crown shell 13, sole shell 14, each opposite open end of rod joint shell 15, and then T...

Claims

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Application Information

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IPC IPC(8): A63B53/04A63B102/32
CPCA63B53/04A63B53/0458A63B2102/32
Inventor 原田睦竹园拓也
Owner YAMAHA CORP
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