Electricity: electrothermally or thermally actuated switches – Electrothermally actuated switches – With bimetallic elements
Patent
1979-11-29
1981-04-14
Harris, George
Electricity: electrothermally or thermally actuated switches
Electrothermally actuated switches
With bimetallic elements
337 94, H01H 7116
Patent
active
042622735
ABSTRACT:
An electrical thermostatic switch, prior to calibration, has a flexible blade which is spring biased into contact with a thermostatic member. The end of the blade is submerged in a heat curable material. The switch is placed in an oven at a predetermined temperature level for calibration, with the result that the thermostatic element moves the flexible blade into the desired calibration position prior to curing of the heat curable material. The flexible element is thereafter held by the cured material in the desired calibration position.
REFERENCES:
patent: 3230607 (1966-01-01), Gelzer
patent: 4047141 (1977-09-01), Holden
patent: 4201967 (1980-05-01), Romerdahl et al.
Emerson Electric Co.
Harris George
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