发明名称 Golf club
摘要 In construction of a golf club in which a shaft is fixed along its lower tip to a main body within a shaft hole formed in a hosel of the main body, an elongated cylindrical core is inserted into the lower tip of the shaft whilst projecting beyond the upper end location of the hosel. Presence of the cylindrical core well fortifies a shaft/hosel joint whilst withstanding impact is generated at shooting balls.
申请公布号 US5454563(A) 申请公布日期 1995.10.03
申请号 US19940273832 申请日期 1994.07.12
申请人 YAMAHA CORP. 发明人 NAGAMOTO, ITSUSHI;TSUCHIDA, ATSUSHI
分类号 A63B53/02;(IPC1-7):A63B53/02 主分类号 A63B53/02
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