Electric and air signal element

Details Electric and air signal element Electric and air signal element

1978-02-13

1979-06-12

Price, William

Electricity: circuit makers and breakers

Electric switch details

Actuators

200 82C, 92 5R, H01H 320, H01H 3538

Patent

active

041581202

ABSTRACT:
An electric switch actuator having a housing with a switch cavity and an associated bore. A spring biased piston is contained within the bore and actuates the switch in response to pressure. The switch cavity is closed by a transparent window allowing the switch actuation to be viewed.

REFERENCES:
patent: 2916576 (1959-12-01), Croskey et al.
patent: 3043929 (1962-07-01), Guthrie
patent: 3118030 (1964-01-01), Palen
patent: 3261958 (1966-07-01), Bittner
patent: 3449535 (1969-06-01), Otto et al.
patent: 3614352 (1971-10-01), Wiese
patent: 3661053 (1972-05-01), Rich

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