| 摘要 |
The device comprises a button (1), drilled with a blind axial hole (2), in which is housed a return spring (3). The button (1) is locked by a part (11) which passes through a widened portion (6a) of an elastic slot (6). Chamfers (7) made at the end of the slot (6) facilitate the engaging of the button (1) on the part (11), which acts as contact terminal. This part (11) can consist of a screw which fixes the substrate (10) of a printed circuit to the electronic module (9). <IMAGE>
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