Key device with a scissors mechanism
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United States of America Patent
Stats
-
Apr 8, 2003
Grant Date -
Jul 18, 2002
app pub date -
Dec 5, 2001
filing date -
Dec 13, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A key device includes a base plate, a keycap set above the base plate, a scissors mechanism between the base plate and the keycap, and an elastic component with a first end connected to the base plate and a second end connected to the first supporting arm. The scissors mechanism includes a first supporting arm and a second supporting arm for forming the scissors mechanism in an intersecting manner. The elastic component includes a first angle formed between the base plate and the elastic component, and the first angle is less than 90 degrees. While the keycap is depressed, the keycap moves downwards with the second end of the elastic component, the elastic component rotates around the first end of the elastic component to decrease the first angle, and the elastic component is stressed and deformed to support an upward spring force of the keycap.
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