Lighted pushbutton switch assembly
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United States of America Patent
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-
Apr 7, 2009
Grant Date -
N/A
app pub date -
Jul 19, 2006
filing date -
Jul 19, 2005
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A lighted pushbutton switch assembly has a printed circuit board in the bottom of a housing, with an LED mounted on the board. A switch operating plunger at the top rotates a ratchet and electrical contact member whenever the plunger is depressed. The contact member engages conductive paths on the top of the PC board and moves from path to path as it is rotated to change the state of the switch. A transparent light pipe over the LED transmits light through the plunger. The light pipe fits through the ratchet and is rotated by the ratchet to rotate the electrical contact member.
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