发明名称 Racket frame with circular cross section and variable thickness
摘要 A game racket (11) having improved aerodynamics and hitting response is disclosed. With the exception of the handle (13) the entire racket is comprised of elements all having a substantially circular cross section. The head (17) of the racket (11) is comprised of three sections. Each section may have a different cross sectional diameter.
申请公布号 US5076583(A) 申请公布日期 1991.12.31
申请号 US19900569391 申请日期 1990.08.21
申请人 SPORTSTECH INDUSTRIES (U.S. TECH) INC. 发明人 HSU, HENRY
分类号 A63B49/02 主分类号 A63B49/02
代理机构 代理人
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