发明名称 |
Thermally responsive switch |
摘要 |
A thermally responsive switch for protecting electric motors against overcurrent and overheating conditions includes a metallic receptacle having an elongated dome-shaped portion and an opening opposite to the dome-shaped portion, a metallic header plate secured to the one end of the receptacle so as to hermetically close the opening afterwards and having a through-aperture, a thermally responsive element disposed in the receptacle in parallel with the header plate and carrying a movable contact at one end, a rod terminal secured in the aperture of the header plate by an electrically insulating material filled in the aperture for hermetic sealing so that the terminal extends through the aperture, a fixed contact support disposed in the receptacle to be perpendicular to the terminal and having an end to which a fixed contact is secured, the support being connected at the other end to the end of the terminal projected into the receptacle, by solder, and a spring for urging the support so that it is disconnected from the terminal.
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申请公布号 |
US5221914(A) |
申请公布日期 |
1993.06.22 |
申请号 |
US19920950776 |
申请日期 |
1992.09.24 |
申请人 |
UBUKATA INDUSTRIES, CO., LTD. |
发明人 |
UBUKATA, DECEASED, SUSUMU;MIZUTANI, YASUKAZU;HIGASHIKATA, ISAO;KOSEKI, HIDEKI |
分类号 |
H01H37/00 |
主分类号 |
H01H37/00 |
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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