E - Fixed Constructions – 05 – F
Patent
E - Fixed Constructions
05
F
268/2
E05F 15/12 (2006.01) E05F 15/20 (2006.01)
Patent
CA 1038897
ABSTRACT An automatic ventilation regulating device for windows, doors and the like, which have a movable portion and a fixed portion, including a spindle; a slide displaceable on the spindle; driving means for displacing the slide on the spindle, the spindle and the slide being connectable with the movable and fixed portions, respectively; and a settable thermostat arranged for controlling the operation of the driving means in response to the temperature in the room to be ventilated.
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