Key switch device |
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| 申请号 | EP01300668.9 | 申请日 | 2001-01-25 | 公开(公告)号 | EP1139360A3 | 公开(公告)日 | 2003-05-14 |
| 申请人 | Mitsumi Electric Co., Ltd.; | 发明人 | Sasaki, Fimitoshi, c/o Mitsumi Electric Co., Ltd.; | ||||
| 摘要 | A key switch device 11 having an increased strength and a decreased thickness, and produced at a decreased cost yet offering good operation feeling, comprises a key top 13 mounted on a base plate 12 via resilient means 16. The switching operation is effected upon depressing the key top 13. A small link member 14 and a large link member 13 are provided between the base plate 12 and the key top 13 so as to turn at right angles without contacting each other, with the lower ends of the small link member 14 slidably fitted into slide guides 12a and 12b formed in the base plate 12. The upper ends thereof, and the lower and the upper ends of the large link member 15 are rotatably supported by bearing portions. | ||||||
| 权利要求 | |||||||
| 说明书全文 | |||||||
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