A keyswitch assembly for a keyboard for a word processor or a computer comprises a key, a key support mechanism supporting the key formed by pivotally joining two support levers in a scissors-like form, a rubber spring disposed under the key support mechanism, and a support plate supporting the key support...http://www.google.fr/patents/US5278371?utm_source=gb-gplus-shareBrevet US5278371 - Keyswitch assembly with support mechanism coupled to support plate beneath printed circuit board
Keyswitch assembly with support mechanism coupled to support plate beneath ...