Thermostat

Signals and indicators – Indicators – Operator movable

Patent

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Details

74553, 236 94, 116309, G09F 900, G05D 2300, G05G 110

Patent

active

056924534

ABSTRACT:
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.

REFERENCES:
patent: 3670284 (1972-06-01), Fortier et al.
patent: 4133286 (1979-01-01), Linton

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