Button assembly and an electronic device
作者： Mitsuyuki Tokusashi
DOI:
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摘要: A button assembly comprises a cylindrical key top ( 132 ) loosely inserted into hole 126 formed on casing 10 ). The upper surface of the is pressed face 134 further deformation member 150 disposed below in pressing direction. deforms to produce repulsive force when down. conductive 154 attached bottom ), and switch contacts 166 which come contact with become by central axis are separated certain spacing. has hang-over extending from lower end said over 142 moves direction down, presses
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