Pneumatic operated switch having movable flag, switch actuator m

Details Pneumatic operated switch having movable flag, switch actuator m Pneumatic operated switch having movable flag, switch actuator m

1976-05-05

1978-08-15

Scott, James R.

Electricity: circuit makers and breakers

Fluid pressure

Flow-responsive type

116117R, 200 82E, 200 83J, 200308, 335205, 340686, H01H 3540

Patent

active

041074920

ABSTRACT:
A pneumatic indicator device having a housing carrying a movable flag that in one position thereof visually indicates one pneumatic condition of the device and in another position thereof visually indicates another pneumatic condition of the device, the housing also carrying an electrical switch which is operatively associated with the movable flag so that the switch electrically indicates the positions of the flag for remote indication purposes.

REFERENCES:
patent: 2074895 (1937-03-01), Durant
patent: 2197473 (1940-04-01), Jackson et al.
patent: 3259716 (1966-07-01), Nilssen
patent: 3322917 (1967-05-01), Furlow
patent: 3429291 (1969-02-01), Hoffman
patent: 3431375 (1969-03-01), Hotchkiss
patent: 3462569 (1969-08-01), Schooley
patent: 3532069 (1970-10-01), Morgan et al.
patent: 3549839 (1970-12-01), Hill et al.
patent: 3601729 (1971-08-01), Hierta
patent: 3627958 (1971-12-01), Liedel et al.
patent: 3806851 (1974-04-01), McCormick

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