Electricity: circuit makers and breakers – Fluid pressure – Diaphragm
Patent
1978-09-21
1981-01-06
Marcus, Stephen
Electricity: circuit makers and breakers
Fluid pressure
Diaphragm
200 814, 200302, 200330, H01H 3532
Patent
active
042438578
ABSTRACT:
A control device wherein the component parts comprising a switch or switches, expandable bellows and a kinematic train for transmitting expansion or contraction of the bellows to the switch or switches for actuating the same are removably contained in separate compartments in a fully-gasketed, weathertight enclosure, but are readily accessible in their respective chambers for adjustment, removal and replacement. The switch or switches are sealed within a hermetically-sealed receptacle within the enclosure and operation of the switch or switches is effected without breach of the receptacle by displacement of a flexibly displaceable portion of the wall of the receptacle. The kinematic train includes means for effecting displacement of the flexibly displaceable wall portion and may include a Belleville washer assembly to impart snap action to the kinematic train and to hold it in its operative and inoperative positions. When two switches are employed, the kinematic train includes a lever assembly for effecting operation of the switches simultaneously or sequentially.
REFERENCES:
patent: 2507065 (1950-05-01), Trautman
patent: 2777028 (1957-01-01), Kendall et al.
patent: 2961507 (1960-11-01), Higgs
patent: 3052777 (1962-09-01), Meisenheimer, Jr. et al.
patent: 3056004 (1962-09-01), Davis
patent: 3085140 (1963-04-01), Roe
patent: 3128354 (1964-04-01), Conery
patent: 3898405 (1975-08-01), Weber
Gammons Robert T.
Marcus Stephen
United Electric Controls Company
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