H - Electricity – 01 – H
Patent
H - Electricity
01
H
306/207
H01H 35/34 (2006.01) H01H 35/26 (2006.01)
Patent
CA 1233495
SINGLE POLE MAKE MAKE SWITCH AND PRESSURE SWITCH USING SAME 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.
444733
Lauritsen Richard L.
Wielgos Thaddeus S.
Borden Ladner Gervais Llp
Corporation Eaton
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