Condition responsive control switch units

Details Condition responsive control switch units Condition responsive control switch units

1977-05-09

1979-07-31

Tolin, Gerald P.

Electricity: circuit makers and breakers

Fluid pressure

Plural switch

200 81R, 200 83Y, 200 83P, H01H 3524

Patent

active

041631293

ABSTRACT:
A control switch unit adaptable for a number of different purposes has a fluid-filled flexible-walled capsule acting within a housing on a pivoted operating lever arranged to operate a switch located in the housing on the other side of the pivot axis of the lever from the capsule, the lever being biased by a cam-adjustable tensioning spring acting on the opposite side of the operating lever from the capsule and the switch. Further components such as a manual switch-off control, a pilot lamp operable by an auxiliary switch, or a capsule heater, can be added without rearrangement of the basic unit.

REFERENCES:
patent: 3177321 (1965-04-01), Grimshaw
patent: 3272942 (1966-09-01), Brandl
patent: 3274360 (1966-09-01), Brandl
patent: 3412357 (1968-11-01), Odashima

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