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    Key switch
    1.
    发明公开
    Key switch 有权
    Tastschalter

    公开(公告)号：EP1205954A2

    公开(公告)日：2002-05-15

    申请号：EP01308927.1

    申请日：2001-10-19

    申请人： POLYMATECH CO., LTD.

    发明人： Tsuji, Akihiro, R & D Center of

    IPC分类号： H01H13/70

    CPC分类号： H01H13/705 ,  H01H2219/028 ,  H01H2221/064 ,  H01H2221/084 ,  H01H2229/046

    摘要： A key switch wherein a key top (1) made of thermoplastic resin and a extruding part (2) made of thermoplastic elastomer are integrally formed, thereby improving clicking touch of a contact member, such as a metal belleville spring, a resin film dome or the like, which is placed underneath the extruding part and preventing breakage and laceration of the contact member. Further, a key switch is constructed such that extruding parts (2) of a plurality of key tops (1) are integrally linked by means of a U-shaped bridging member (3) made of thermoplastic elastomer, thereby causing elastic deformation of the bridging member (3) at the time of pressing one of the plurality of key tops (1) so that an extruding part (2) of an adjacent key top is prevented from operating together.

    摘要翻译： 一种钥匙开关，其中由热塑性树脂制成的钥匙顶部（1）和由热塑性弹性体制成的挤出部分（2）一体地形成，从而改善诸如金属百叶窗弹簧，树脂膜穹顶的接触元件的点击触摸 其被放置在挤出部分下方并且防止接触构件的断裂和裂开。 此外，构造按键开关，使得多个键顶（1）的挤压部件（2）通过由热塑性弹性体制成的U形桥接构件（3）一体地连接，从而引起桥接件的弹性变形 （1）上按压其中一个键部件（3），从而防止相邻的键顶的挤压部分（2）一起操作。