发明名称 |
Operating handle locking device for circuit interrupter |
摘要 |
An operating handle locking device for use with an electrical switchgear such as a circuit interrupter comprises a locking plate for blocking the movement of the operating handle between the ON position and the OFF position, and a support plate secured to the circuit interrupter for supporting the lock plate, the locking plate being locked in the operating handle locking position relative to the support plate by a locking member. The switchgear may have a trip button for tripping the switchgear from the exterior, and the locking plate may have a cover portion for covering the trip button when the locking plate is in an operating handle locking position. A cover portion may also be provided in the locking plate for covering the reset button of the circuit interrupter when in the operating handle locking position.
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申请公布号 |
US4733029(A) |
申请公布日期 |
1988.03.22 |
申请号 |
US19860865015 |
申请日期 |
1986.05.20 |
申请人 |
MITSUBISHI DENKI KABUSHIKI KAISHA |
发明人 |
KOBAYASHI, YOSHIAKI;NAKAYAMA, YUTAKA |
分类号 |
H01H9/28;(IPC1-7):H01H9/28 |
主分类号 |
H01H9/28 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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