发明名称 |
CONTACT DEVICE AND ELECTROMAGNETIC SWITCH USING CONTACT DEVICE |
摘要 |
A contact device includes a pair of fixed contactors fixed to one side of an insulation container with a predetermined space therebetween and having a columnar shape with a tip end contact surface protruding at lease inside the insulation container, and a movable contactor disposed to be capable of contacting with and separating from the pair of fixed contactors. Surfaces of the pair of fixed contactors facing the movable contactor are formed of annular peripheral walls having a concave part at a center thereof. An annular arc is formed between the annular peripheral wall and the movable contactor when the contact device is in an open state.
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申请公布号 |
US2013127571(A1) |
申请公布日期 |
2013.05.23 |
申请号 |
US201113696915 |
申请日期 |
2011.06.14 |
申请人 |
TAKAYA KOUETSU;SUZUKI KENJI;NAKA YASUHIRO;FUJI ELECTRIC CO., LTD.;FUJI ELECTRIC FA COMPONENTS & SYSTEMS CO., LTD. |
发明人 |
TAKAYA KOUETSU;SUZUKI KENJI;NAKA YASUHIRO |
分类号 |
H01H33/60 |
主分类号 |
H01H33/60 |
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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