| 摘要 |
PROBLEM TO BE SOLVED: To provide a keyboard switch of which the cover is taken off with slight force and the durability is secured. SOLUTION: A rectangular shape flexible sheet (3), which slides and sents a cross-links (13) to a bottom linked with a closing operation of the cover (29), is fixed on a periphery of a rigid frame-like link (27) and is slid with it. Therefore, the flexible sheet (3) is slid without being pressed by external force and the cover (29) is not broken by doing opening and closing frequently because a stress does not concentrate on a limited section. As a result, the flexible sheet (3) is slid by slight closing force without deforming.
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