H - Electricity
01
H
H01H 37/12 (2006.01) G05D 23/19 (2006.01)
Patent
CA 2169044
A rotatable knob for adjusting the temperature setting of a thermostat has a deformable tab that is permanently deformed upon rotational movement of the knob to a position that is indicative of a temperature setting greater than a predetermined optimum temperature setting. A deformed tab demonstrates that the knob was moved to a position for setting the thermostat at a temperature greater than the optimum temperature setting.
Green Max L.
Vore Raymond B.
Emerson Electric Co.
Gowling Lafleur Henderson Llp
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