发明名称 Racket
摘要 A racket (1) includes: a shaft (20); a frame (10) joined to a tip end side in a longitudinal direction of the shaft; and a handle (30) joined to a rear end side in the longitudinal direction of the shaft, wherein the frame is provided with a plurality of through holes (11) that penetrate from an inner peripheral surface (10a) to an outer peripheral surface (10b) for a string (40) to pass through, a through hole has a first angle formed between a width direction and a penetrating direction of the through hole smaller than a second angle formed between the width direction and a normal direction to the inner peripheral surface in a position provided with the through hole, the through hole being for the string along the width direction orthogonal to the longitudinal direction on a hitting surface of the racket to pass through, the through hole being positioned to the tip end side in the longitudinal direction than a center of the frame.
申请公布号 EP2805750(A2) 申请公布日期 2014.11.26
申请号 EP20140168889 申请日期 2014.05.19
申请人 YONEX KABUSHIKI KAISHA JOINT-STOCK COMPANY OF JAPAN 发明人 YAMANAKA, YOSUKE;OHTANI, KAZUYA
分类号 A63B49/022 主分类号 A63B49/022
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