发明名称 Bowling pin wire guide sleeve
摘要 The present disclosure is directed to a guide sleeve which passes over and about the vertical legs of a bowling pin wire guide and which has a web between the vertical legs to distribute the shock impact or force of the bowling pin striking the wire guide evenly between the two vertical legs and to confine each vertical leg should a break in the leg occur whereby the sleeve acts as a mechanical continuity.
申请公布号 US4058309(A) 申请公布日期 1977.11.15
申请号 US19760744389 申请日期 1976.11.23
申请人 HUNLEY, WALTER T. 发明人 HUNLEY, WALTER T.
分类号 A63D5/08;(IPC1-7):A63D5/08;B23P7/04 主分类号 A63D5/08
代理机构 代理人
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