Controller with snap-on relay module
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United States of America Patent
Stats
-
Mar 26, 1991
Grant Date -
N/A
app pub date -
Sep 16, 1988
filing date -
Sep 16, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Electronic temperature controller including a snap-on relay module which snaps into the electronic temperature controller. Any compatible relay module with any different numbers of poles can be accepted by manually disengaging a relay module from clips on the electronic temperature controller. Ball-stud assemblies on the relay module frictionally engage into a plurality of receptacles in the electronic temperature controller. A geometrical configuration provides for knob to potentiometer orientation and alignment including radial and axial stress relief for the potentiometer.
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