发明名称 PUTTER-TYPE CLUB HEAD
摘要 <p>A putter-type club head (20) having a body (22) and a peripheral mass belt (23) is disclosed herein. The putter-type club head (20) has a body (22) that is preferably composed of an aluminum alloy. The body (22) preferably has a face portion (24), a crown portion (26), a sole portion (28) and a column portion (30). The face portion (24), the crown portion (26), the sole portion (28) and the peripheral mass belt (23) define a central aperture (32). The crown portion (26) extends rearward from the face portion (24). The central aperture (32) separates the crown portion (26) from the sole portion (28) and the face portion (24) from the central mass portion (80). The crown portion (26) preferably has an alignment means (40) thereon for aiming a golf ball during putting which preferably comprises three circular inserts (40a-c).</p>
申请公布号 WO2006049840(A3) 申请公布日期 2007.01.04
申请号 WO2005US36897 申请日期 2005.10.12
申请人 CALLAWAY GOLF COMPANY 发明人 TANG, LARRY, G.;ROLLINSON, AUGUSTIN, W.;CLEVELAND, ROGER
分类号 A63B69/36;A63B53/04 主分类号 A63B69/36
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