H - Electricity – 01 – H
Patent
H - Electricity
01
H
306/188
H01H 37/54 (2006.01)
Patent
CA 1160663
ABSTRACT OF THE DISCLOSURE A creepless, snap action thermostat is formed employing two movable contacts. One of the contacts is mounted to a bimetallic arm which moves as the temperature of the environment in which the thermostat is located in- creases. The second movable contact is mounted on a spring arm, the spring arm following the motion of the bimetallic arm upon increased heating, so as to maintain firm mating of the two contacts until the snap over point of the bimetal is reached. After snap over, the contact on the spring arm is prevented from following the contact on the bimetallic arm because of a physical stop formed in the thermostat casing.
370333
Osler Hoskin & Harcourt Llp
Portage Electric Products Inc.
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