| 摘要 |
An exemplary button device includes a cover and a push button. The cover includes a main body with an opening defined therein, two spaced blocks, and a post extending from the main body between the blocks. The push button includes a positioning portion with a through hole defined therein for extension of the post, a pressing portion with a key top accommodated in the opening, a connecting portion for connecting the pressing portion to the positioning portion, and two wings stretching from opposite edges of the positioning portion adjacent to the connecting portion into a space between the blocks and the main body respectively. The positioning portion forms a protrusion which resists against the main body and separates the push button from the main body.
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