发明名称 Game racket
摘要 A game racket having a string net, the tension of the strings in the net being easily adjustable. The racket has a handle, a hoop attached to the handle, and strings forming a net across the hoop. A wedge located in the hoop and having longitudinal central strings attached thereto, the wedge being drawn by a threaded rod toward the handle to cause an increase in the peripheral dimension of the hoop and thereby a tightening of the strings and an equalization of tension throughout the net.
申请公布号 US4099716(A) 申请公布日期 1978.07.11
申请号 US19760712703 申请日期 1976.08.09
申请人 BLODGETT, NORMAN S. 发明人 HADDAD, DANIEL G.
分类号 A63B49/12;A63B51/12;(IPC1-7):A63B51/12 主分类号 A63B49/12
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