发明名称 Tamper resistant construction for hydrant
摘要 A tamper resistant construction for a fire hydrant including a hydrant nut actuating body for mounting on a hydrant nut, a shroud rotatably mounted on a first end portion of the hydrant nut actuating body, a cap rotatably mounted on a second end portion of the hydrant nut actuating body, a wrench-receiving portion on the hydrant nut actuating body, a spring mounted within the hydrant nut actuating body and secured to the cap for biasing the cap over the wrench-receiving portion, and a specialized wrench for retracting the cap and engaging the wrench-receiving portion on the hydrant nut actuating body to thereby turn the hydrant nut actuating body and a hydrant nut coupled thereto.
申请公布号 US5632301(A) 申请公布日期 1997.05.27
申请号 US19960652633 申请日期 1996.06.07
申请人 MCGARD, INC. 发明人 JULICHER, BRADLEY J.
分类号 E03B9/06;F16K35/06;(IPC1-7):F16K35/06 主分类号 E03B9/06
代理机构 代理人
主权项
地址