发明名称 Securing device for flexible farm gates
摘要 A section of chain has its opposite ends anchored to a gate post and a pair of pulleys are secured to adjacent chain links near the center of the chain. A gate securing cable loop is trained over the pulleys and has a retractile coil spring connected thereto, the spring lying along one side of the gate post during usage. A clip on the lower end of the spring is selectively engageable with any one of several anchoring elements, such as staples, placed in the gate post in spaced relationship.
申请公布号 US4127292(A) 申请公布日期 1978.11.28
申请号 US19770827358 申请日期 1977.08.24
申请人 MADER, WILLIAM J. 发明人 MADER, WILLIAM J.
分类号 E06B11/02;(IPC1-7):E05C17/36 主分类号 E06B11/02
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