发明名称 BALL GAME RACKET
摘要 Disclosed is a racket (2) for ball games, comprising a frame which is formed by a profiled frame or a hollow profiled member and is provided with a racket head and a handle section that is connected thereto preferably via a core region. Two concavities (12) that are symmetrical relative to the longitudinal axis of the racket are embodied in the core region on the frame. A vibrating device (20) is arranged in each of the two concavities. Preferably, the vibrating devices of the inventive racket are effective for vibrations having at least two modes or two degrees of freedom. The invention further relates to a racket for ball games, comprising a frame which forms a head region for receiving strings and a handle section for holding the racket. The frame is fitted with one respective inward-facing C-profile in at least two segments in the head region.
申请公布号 WO2007088070(A3) 申请公布日期 2008.02.28
申请号 WO2007EP00929 申请日期 2007.02.01
申请人 HEAD TECHNOLOGY GMBH;COTTEY, ROB;KOTZE, JOHAN;MOHR, STEFAN;MUELLER, KLAUS;RAMBACH, KLAUS;WILKE, JUERGEN;EMBERGER, MANFRED;ROSENKRANZ, HARALD 发明人 COTTEY, ROB;KOTZE, JOHAN;MOHR, STEFAN;MUELLER, KLAUS;RAMBACH, KLAUS;WILKE, JUERGEN;EMBERGER, MANFRED;ROSENKRANZ, HARALD
分类号 A63B49/02 主分类号 A63B49/02
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