Single pole make make switch and pressure switch using same
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United States of America Patent
Stats
-
Sep 11, 1984
Grant Date -
N/A
app pub date -
Mar 10, 1983
filing date -
Mar 10, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A pressure switch has a solid piston sealed by a Kapseal and O-ring actuating a spring locator to compress a main spring and then a secondary (optional) spring. The locator actuates a slow moving end of a snap switch blade. The slow moving end has a contact which opens a low voltage circuit and then the snap switch end of the blade is actuated to open another circuit. This attains a single pole make make operation with sequencing assured.
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