Electrical switch having a variable return force
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United States of America Patent
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Oct 28, 2008
Grant Date -
Sep 11, 2008
app pub date -
Mar 5, 2008
filing date -
Mar 5, 2007
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An electrical switch system may include a contact-bearing support configured to delimit a recess in a substantially horizontal bottom, wherein at least two fixed electrical contacts are positioned in the recess. Additionally, the electrical switch system may include at least one dome-shaped first triggering device configured to be elastically deformable from a top rest position to form an electrical link between the at least two fixed electrical contacts. The electrical switch system may also include an actuating push-button mounted to be displaced substantially vertically downward relative to the support. Further, the electrical switch system may include a mechanism configured to return the push-button to the rest position and an elastic element configured to exert an elastic force on the push-button, wherein the elastic force is directed upward when the push-button is displaced downward beyond a contact position.
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