Thermostat timer

Details Thermostat timer Thermostat timer

1976-04-12

1977-08-09

Herrmann, Allan D.

Electrical transmission or interconnection systems

Switching systems

Switch actuation

58 395, 58152R, 200 35R, 200 38FB, 236 46R, 318281, 318285, 337302, F16H 576, G05D 2300, H01H 7310

Patent

active

040413250

ABSTRACT:
An add-on device for automatically adjusting the setting of a control mechanism, such as, a thermostat, which includes a separate, independent timer which is mounted adjacent the existing control mechanism and controls the same by means of a mechanically driven member which engages the manual adjuster of the control mechanism; the device further including a suitable coupler for coupling the driven member to the timer for moving the driven member at selected times to change the position of the adjuster.

REFERENCES:
patent: 8754 (1879-06-01), Herzberg
patent: 1228757 (1917-06-01), Denison
patent: 1520496 (1924-12-01), Heinz
patent: 1789057 (1931-01-01), Vickery
patent: 2345594 (1944-04-01), Gardner
patent: 2538413 (1951-01-01), Chard
patent: 3178947 (1965-04-01), Keefe
patent: 3179758 (1965-04-01), Trock
patent: 3985982 (1976-10-01), Schneidinger

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