发明名称 Clay target throwing device support
摘要 An apparatus for mounting a clay target throwing machine on a towing hitch ball which is coupled with a vehicle or a post anchored in the ground. A framework is coupled with an upright cylinder which engages the hitch ball or post allowing movement or apparatus about the vertical axis of the hitch ball or post.
申请公布号 US4770155(A) 申请公布日期 1988.09.13
申请号 US19860904904 申请日期 1986.09.08
申请人 CHAMBERLAIN, DAVID L.;CHAMBERLAIN, ROY D. 发明人 CHAMBERLAIN, DAVID L.;CHAMBERLAIN, ROY D.
分类号 F41J9/18;(IPC1-7):F41B11/00 主分类号 F41J9/18
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