Keycap lifting mechanism and keyswitch structure

Abstract

A keycap lifting mechanism is used for supporting a long rectangular keycap. The long rectangular keycap has a long side direction and a short side direction. The keycap lifting mechanism includes two supports, which are respectively connected to the long rectangular keycap and are pivotally connected to each other around a pivot axis parallel to the long side direction. One of the supports includes two outer sliding shafts, an inner sliding shaft between the two outer sliding shafts, and two outer base shafts, and is slidably and rotatably connected to the long rectangular keycap through the outer sliding shafts and the inner sliding shaft. In the long side direction, one of the out base shafts is relatively close to one of the outer sliding shaft, and the other outer base shaft is relatively close to the other outer sliding shaft and the inner sliding shaft and is located between them. Besides, in the long side direction, a distance between the outer base shaft and the outer sliding shaft of the former is less than a distance between the outer base shaft and the outer sliding shaft of the latter.

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