Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1980-03-04
1982-02-02
Caldwell, Sr., John W.
Communications: electrical
Condition responsive indicating system
Specific condition
166 66, 200 42R, 200 6158R, 200 616, 200 6193, 340568, G08B 2100
Patent
active
043142435
ABSTRACT:
A submersible pump alarm includes an adapter in a well casing for receiving the well water pipe. An extension is threaded into the adapter and a switch inserted therein. A rod cooperates with a switch actuator and a cover on the casing, whereby when the cover is removed, bias which the rod exerts on the actuator is released and the switch energizes an alarm.
REFERENCES:
patent: 3205712 (1940-06-01), Bitgood
patent: 3531604 (1970-09-01), Imburgia
patent: 3878507 (1975-04-01), Medlock
Caldwell Sr. John W.
Nowicki Joseph E.
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