发明名称 RAKETSUTO
摘要 PURPOSE:To offer a racket which can be manufactured easily, extraordinary sound from gut at the time of hitting a ball is eliminated without reducing any effective ball hitting area. CONSTITUTION:Gut holes 4 made through a frame 1 are slanted to a direction different to gut 5 stretched on the inner peripheral side 3 of the frame 1 of the gut holes and the gut holes 4 are provided so as to be located within a plane 7 containing the net face 6 formed by gut.
申请公布号 JP2658869(B2) 申请公布日期 1997.09.30
申请号 JP19940054422 申请日期 1994.03.01
申请人 YAMAHA KK 发明人 TAKATSUKA MASANORI
分类号 A63B49/02;A63B49/10;A63B51/06 主分类号 A63B49/02
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