发明名称 FRAME OF RACKET FOR GAME
摘要 PROBLEM TO BE SOLVED: To increase the area of a sweet spot on a racket by maximizing the deflection of a string face in a direction perpendicular to the string face. SOLUTION: A racket for a game has a slender shaft part providing a handle and has a ring-shaped head part supporting an almost flat string face. The head part comprises a bottom part mounted on the shaft part, a pair of opposite side parts, and a top part. Each side part and the top part comprise a hollow cylindrical cross section having an exterior wall 37 and an interior wall 38. A plurality of slender slots 43 extending in a direction perpendicular to the face of the string 35 are provided in the interior walls of the side parts and the top, and a plurality of circular openings 42 arranged on the string face and aligned with the slots are provided in the exterior walls thereof. An eyelet piece and a bumper piece have a cylindrical sleeve 47 for the circular openings aligned with the slots, the sleeve extending through the circular openings and terminating outside the slots 43 aligned.
申请公布号 JPH119723(A) 申请公布日期 1999.01.19
申请号 JP19980163776 申请日期 1998.06.11
申请人 WILSON SPORTING GOODS CO 发明人 SEVERA WILLIAM D;LEVAULT GERALD J;MCMILLAN WILLIE H
分类号 A63B49/02;A63B49/00;A63B51/08 主分类号 A63B49/02
代理机构 代理人
主权项
地址