Key switch and keyboard
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United States of America Patent
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Sep 9, 2003
Grant Date -
Dec 12, 2002
app pub date -
Feb 8, 2002
filing date -
Jun 7, 2001
priority date (Note) -
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status (Latency Note)
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Abstract
A key switch includes a switch provided on a base, a key top for operating the switch, and a link mechanism supported on the base and supporting the key top on its upper side, a shape of the link mechanism being changed when the key top is depressed. A movable plate is provided on the base, in stacked relationship; such that the movable plate is moved when the key top is depressed so as to change the shape of the link mechanism to a flat shape. An auxiliary link mechanism has a first part supported on the moveable plate and, in turn, by the base and a second part supporting the key top.
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