Adjustable pressure-type switch
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United States of America Patent
Stats
-
May 2, 1989
Grant Date -
N/A
app pub date -
Mar 31, 1988
filing date -
Mar 31, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A pressure switch has a plunger, axially displaceable by the pressure being measured, which enables a contact pin of a microswitch to be actuated. Between the plunger and the contact pin there is arranged a rocker. The microswitch is fastened to the housing of the pressure switch so as to be displaceable in the main extension direction of the rocker. This provides a way to vary the step-up ratio between the plunger motion and the contact-pin motion, whereby the magnitude of the hysteresis of the pressure switch can be varied.
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