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    • 71. 发明授权
    • Thermostatic switch
    • 恒温开关
    • US3786389A
    • 1974-01-15
    • US3786389D
    • 1972-12-29
    • KONDO K
    • KONDO K
    • H01H37/46H01H37/04
    • H01H37/46
    • There is disclosed a thermostatic switch consisting essentially of a tubular casing formed of a material having a relatively high coefficient of expansion and a circuit controlling member which is disposed therein and formed of a pair of metallic springs having a relatively low coefficient of expansion. This thermostatic switch is provided with means which permits the accurate response to the ambient temperature change i.e., means such as for preventing so called backlash or minute gap caused at the thread-engaging portions between the circuit controlling member and the casing, and it is provided with means which aids in enhancing the heat sensing of the circuit controlling member in co-operation with the sensing of the casing. In another aspect of the invention, there are provided means which can protect the lead wires connected to the circuit controlling member and the temperature adjusting lock screw from erroneous operations caused by inadvertent contact with or impingement on other moving substance such as a body or the like.
    • 公开了一种恒温开关,其基本上由具有相对较高膨胀系数的材料形成的管状壳体和设置在其中并由具有相对较低膨胀系数的一对金属弹簧形成的电路控制构件组成。 该恒温开关设置有允许对环境温度变化的准确响应的装置,即用于防止在电路控制构件和壳体之间的线接合部分处引起的所谓的间隙或微小间隙的装置,并且提供 具有有助于与壳体的感测相配合来增强电路控制构件的热感测的装置。 在本发明的另一方面,提供了一种装置,其可以保护连接到电路控制构件的引线和温度调节锁定螺钉,以防止由于与诸如身体等的其它移动物质的无意接触或碰撞引起的错误操作 。