Electricity: circuit makers and breakers – Electric switch details – Indicators
Patent
1978-04-11
1979-09-18
Tolin, Gerald P.
Electricity: circuit makers and breakers
Electric switch details
Indicators
200 81R, 200 83SA, 200 83J, 200 56R, 340626, H01H 3534
Patent
active
041684150
ABSTRACT:
An industrial type switch having modular parts which may be assembled so the switch may be used in a wide range of installations. The switch includes a differential module which is easily adjustable to operate over a selected range of pressures, a plug-in snap switch module so the switch may be easily wired and serviced, a range module so the response of the switch to pressures within a range may be readily accomplished, and any one of a plurality of different type actuator modules which are mountable on the exterior of the switch so the switch may be used in a large variety of different type installations.
REFERENCES:
patent: 3056381 (1962-10-01), Barnett
patent: 3301977 (1967-01-01), Simonin, Jr.
patent: 3447390 (1969-06-01), Good
Edwards, Jr. Stanley H.
Penland William D.
Roberts Kenneth P.
Warren James B.
Guttman Richard T.
Schmeling William H.
Square D Company
Tolin Gerald P.
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