发明授权
- 专利标题: Electrical switching apparatus and opening assembly having an engagement lug
- 专利标题(中): 电气开关装置和具有接合凸耳的开口组件
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申请号: US14548455申请日: 2014-11-20
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公开(公告)号: US09362064B2公开(公告)日: 2016-06-07
- 发明人: Andrew Lawrence Gottschalk
- 申请人: EATON CORPORATION
- 申请人地址: US OH Cleveland
- 专利权人: EATON CORPORATION
- 当前专利权人: EATON CORPORATION
- 当前专利权人地址: US OH Cleveland
- 代理机构: Eckert Seamans Cherin & Mellott, LLC
- 代理商 Brij K. Agarwal; Grant E. Coffield
- 主分类号: H01H5/00
- IPC分类号: H01H5/00 ; H01H3/30 ; H01H3/38 ; H01H3/42 ; H01H71/50
摘要:
An opening assembly is provided for an electrical switching apparatus having a housing, separable contacts enclosed by the housing, and an operating mechanism for opening and closing the separable contacts. The operating mechanism includes a poleshaft. The opening assembly includes a spring link comprising a first portion structured to be pivotably coupled to the poleshaft, and a second portion disposed generally opposite of the first portion. A number of opening springs each include a stationary end coupled to the housing, and a movable end coupled to the second portion of the spring link. The spring link is movable between an open position, wherein the opening springs bias the spring link and poleshaft to maintain full separation of the separable contacts, and a closed position, wherein the opening springs either do not bias the poleshaft or bias the poleshaft with a low level of torque.
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