Pre-loaded switching apparatus and method of operation
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United States of America Patent
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-
Jul 21, 1992
Issued Date -
N/A
app pub date -
Dec 18, 1989
filing date -
May 16, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A miniature ratchet type push button activated electrical switch having a mainspring and an auxiliary spring wherein spring rates, spring lengths and spring orientations are selected such that a substantial depression of the push button is required before electrical continuity is broken in a closed circuit. This configuration additionally serves to reduce the amount of audible noise generated by the switch during the ratcheting operation.
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Cited Art Landscape
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