Key structure of keyboard
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United States of America Patent
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-
Jul 3, 2007
Grant Date -
N/A
app pub date -
Jul 20, 2006
filing date -
Jul 20, 2006
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A key mounted in a keyboard includes a key cap including a peg; a base plate including a central first opening a U-shaped first pivot frame including a pivot shaft at its interconnection portion pivotably secured to the base plate, and two end pins pivotably secured to the key cap; a rectangular second pivot frame including a pivot shaft at one end pivotably secured to the base plate, a central second opening, and two arms at the other end pivotably secured to the key cap; a hollow resilient member inserted through the first opening and including a conductive stem; a membrane PCB with the resilient member mounted thereon. A scissor-type resilient support is formed by the crossed first and second pivot frames with the resilient member inserted through the second opening and the peg aligned with the stem.
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