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    • 9. 发明授权
    • Lockable gas valve
    • 可锁定气阀
    • US5190070A
    • 1993-03-02
    • US787513
    • 1991-11-04
    • Larry Robinson
    • Larry Robinson
    • E05B67/36F16K35/06
    • E05B67/365F16K35/06Y10T137/7256Y10T137/87917
    • The present invention is a gas shut off valve (10) which can be locked without disassembly of the gas service. The preferred embodiment of this invention comprises a valve (10) having two chambers (26a, 26b). The first chamber (26b) is just like a standard gas valve, and has a handle (38) which can be turned with a standard tool, such as a commonly available wrench. This chamber (26b) is not lockable and is available for anyone to use for service modification or emergency shut off. The second chamber (26a) is identical in all respects to the first chamber with the exception of the shape of the handle (34). This second, "lockable" handle (34) is shaped like the plug (50) of plug lock assemblies manufactured by Inner-Tite Corporation. Because it has wrenching flats (45), the lockable handle (34) can also be turned with a wrench. In this way, the second chamber (26a) can be opened and closed. Furthermore, the outer body (12) of the plug lock assemblies manufactured by Inner-Tite Corporation can be locked in place over the handle (34) with the key (13) covered by U.S. Pat. Nos. 3,867,822 and 4,289,000. The key must be installed and removed using the special tools (68) covered by U.S. Pat. Nos. 3,867,822 and 4,289,000. Installation of the outer body (12) and key (13) will prevent unauthorized persons from tampering with the gas service. Using the improved shut off valve (10) of this invention, the gas utilities will be able accomplish positive, tamper proof locking of the gas shut off valve (10) without having to disassemble the service entrance.
    • 本发明是一种气体截止阀(10),其能够在不拆卸燃气服务的情况下被锁定。 本发明的优选实施例包括具有两个腔室(26a,26b)的阀门(10)。 第一腔室26b就像一个标准的气体阀,并且具有一个手柄(38),该把手可以用一个标准的工具,如通用的扳手转动。 该室(26b)不可锁定,并且可用于任何人用于服务修改或紧急关闭。 除了手柄(34)的形状之外,第二腔室(26a)在所有方面与第一腔室相同。 该第二“可锁定”手柄(34)的形状类似于由Inner-Tite Corporation制造的插头锁组件的插头(50)。 因为它具有扳手(45),所以可锁定手柄(34)也可以用扳手转动。 以这种方式,第二室(26a)可以打开和关闭。 此外,由Inner-Tite Corporation制造的插头锁定组件的外部主体(12)可以被锁定在手柄(34)上的适当位置,而钥匙(13)由美国专利No. 第3,867,822和4,289,000号。 密钥必须使用美国专利所附的专用工具(68)进行安装和拆卸。 第3,867,822和4,289,000号。 外壳(12)和钥匙(13)的安装将防止未经授权的人员擅自使用燃气。 使用本发明的改进的截止阀(10),燃气公用事业将能够实现气体截止阀(10)的正面防篡改锁定,而不必拆卸服务入口。