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    • 2. 发明公开
    • Multifunctional pushbutton switch
    • Multifunktionsdrucktastenschalter
    • EP1388873A1
    • 2004-02-11
    • EP03016658.1
    • 2003-07-31
    • TRW Automotive Electronics & Components GmbH & Co. KG
    • Schmon, WilfriedAltmann, MarkusSchulte, Peter
    • H01H13/70
    • H01H13/705H01H2217/018H01H2223/003H01H2229/046
    • A multifunctional pushbutton switch for a vehicle steering wheel has a plurality of pushbutton switching units that have pushbutton surfaces located close to each other in a shared operating surface. The switch has a shared switch housing (20) in which actuation tappets (28,30) of the pushbutton switching units are movably guided, and a cap (10) mounted over the actuation tappets (28,30) and onto the switch housing (20). The cap (10) is made by means of a two-component injection-molding technique and consists of a relatively rigid plastic frame (12) with recessed windows (14) each of a shape and size that corresponds to the circumference of one of the pushbutton surfaces and of a silicone membrane (16) extending over the recessed windows.
    • 用于车辆方向盘的多功能按钮开关具有多个按钮开关单元,其具有在共享操作表面中彼此靠近的按钮表面。 开关具有共享开关壳体(20),其中按钮开关单元的致动挺杆(28,30)可移动地被引导,以及盖(10),其安装在致动挺杆(28,30)上并且到开关壳体 20)。 盖(10)通过双组分注射成型技术制成,并由具有凹入窗(14)的相对刚性的塑料框架(12)制成,每个窗口的形状和尺寸均对应于 按钮表面和在凹入窗口上延伸的硅氧烷膜(16)。