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    • 10. 发明授权
    • Multi-position electrical switch
    • 多位置电气开关
    • US4947461A
    • 1990-08-07
    • US322779
    • 1989-03-03
    • Toshio YoshiokaKiyoshi Nakayama
    • Toshio YoshiokaKiyoshi Nakayama
    • H01H25/04
    • H01H25/041H01H2025/048H01H2300/012
    • A multiple electrical switch comprising a casing, a control knob supported on the top edge of the casing for tiltable movement in four directions, a retainer horizontally mounted within the casing and a conversion knob tiltably supported by the retainer and having an upper portion projecting through the central aperture of the control knob. Upper and lower base plates are disposed on respective opposite sides of the retainer, with each of the upper and lower base plates defining a printed circuit board and having a plurality of fixed connecting contacts. The switch further comprise an insulating elastic sheet having a central portion for covering the upper portion of the conversion knob and opposite side peripheral portions for covering respective top surfaces of the upper base plate and each portion including a swell including a movable connecting contact corresponding to a respective one of the plurality of fixed connecting contacts of the upper base plate.
    • 一种多重电气开关,包括壳体,支撑在壳体的顶部边缘上的用于在四个方向上可倾斜运动的控制旋钮,水平安装在壳体内的保持器和由保持器可倾斜地支撑的转换旋钮, 控制旋钮的中心孔径。 上基板和下基板设置在保持器的相对的相对侧上,每个上基板和下基板限定印刷电路板并具有多个固定的连接触头。 开关还包括绝缘弹性片,其具有用于覆盖转换旋钮的上部的中心部分和用于覆盖上基板的各个顶表面的相对侧周边部分,并且每个部分包括包括对应于 上基板的多个固定连接触头中的一个。