发明名称 GOLF CLUB FOR REDUCING AIR RESISTANCE AND ELASTICITY TO IMPROVE SWING SPEED BY MAKING SECTION OF SHAFT OF GOLF CLUB ELLIPTIC
摘要 PURPOSE: A golf club for reducing air resistance and elasticity is provided to improve swing speed by making the section of the shaft of a golf club be elliptic, and making two or more holes in the head of the golf club. CONSTITUTION: The golf club for reducing air resistance and elasticity includes a handle comprising a shaft(1) and a grip(2) and a head installed at the lower end of the shaft(1). The length of the golf club is determined by a user. The section of the shaft(1) of the golf club is manufactured in the shape of an ellipse instead of a circle and, thereby, reduces air resistance by making the narrower portion of the elliptic section of the shaft face the air resistance when a user swings the golf club.
申请公布号 KR20050017512(A) 申请公布日期 2005.02.22
申请号 KR20030056440 申请日期 2003.08.14
申请人 LEE, JAE HEE 发明人 LEE, JAE HEE
分类号 A63B53/04 主分类号 A63B53/04
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