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.
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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 |
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代理人 |
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主权项 |
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地址 |
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