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公开(公告)号:US5160085A
公开(公告)日:1992-11-03
申请号:US793559
申请日:1991-11-08
申请人: James W. Arnold , Evelyn J. Arnold
发明人: James W. Arnold , Evelyn J. Arnold
IPC分类号: E01B9/06
CPC分类号: E01B9/06 , Y10S411/922
摘要: An improved railroad spike, configured to resemble a conventional U.S. railroad spike as to its head, shank and tip. The improved spike features (1) a keyhole bore which extends between and through the head and top of the spike, and (2) and a pair of angular V-grooves on the shank in communication with the bore.
摘要翻译: 一种改进的铁路钉,被配置为类似于常规的美国铁路钉,关于其头部,柄部和尖端。 改进的钉头特征(1)一个在孔尖顶部和顶部之间延伸穿过孔眼的钥匙孔,以及(2)和与孔相通的柄上的一对角V形凹槽。