Hot air circulator

Claim 1

A HOT AIR CIRCULATOR FOR USE WITH A FLOOR FURNACE SITUATED BELOW A VERTICALLY EXTENDING OPENING FORMED IN THE LOWER PORTION OF A WALL SEPARATING TWO ROOMS, INCLUDING: (A) AN ELONGATE RIGID PLATE ADAPTED TO BE DISPOSED IN A HORIZONTAL POSITION WITHIN THE CONFINES OF SAID OPENING; (B) A MOTOR SUPPORTED FROM SAID PLATE; (C) A PLURALITY OF CIRCUMFERENTIALLY SPACED BLADES POSITIONED BELOW SAID PLATE AND ROTATED BY SAID MOTOR, WHICH BLADES HAVE A REVERSE PITCH, AND DURING ROTATION DRAW A STEAM OF AIR UPWARDLY IN SAID OPENING; (D) DEFLECTOR MEANS EXTENDING UPWARDLY AND OUTWARDLY FROM THE LONGITUDINAL EDGES OF SAID PLATE FOR DIVIDING SAID STREAM OF AIR AND DIRECTING SUBSTANTIALLY EQUAL QUANTITIES THEREOF OUTWARDLY AND UPWARDLY THROUGH SAID OPENING INTO SAID ROOMS ON OPPOSITE SIDES OF SAID WALL; (E) SPRINGS MEANS FOR REMOVABLY SUPPORTING SAID PLATE IN SAID HORIZONTAL POSITION, WHICH MEANS MINIMIZES THE TRANSMISSION OF VIBRATION FROM SAID MOTOR AND PLATE TO SAID WALL; (F) AN ELECTRICAL CIRCUIT FOR SUPPLYING ELECTRICAL ENERGY TO SAID MOTOR; AND (G) A THERMOSTAT FORMING A PART OF SAID CIRCUIT AND DISPOSED ADJACENT SAID PLATE, WHICH THERMOSTAT IS NORMALLY IN AN OPEN POSITION, BUT WHICH CLOSES TO COMPLETE SAID CIRCUIT TO ENERGIZE SAID MOTOR WHEN THE TEMPERATURE OF THE AMBIENT ATMOSPHERE IS SUFFICIENTLY HIGH TO IMPART APPRECIABLE HEAT WHEN IT IS DISCHARGED AS SAID STREAM OF AIR INTO SAID ROOMS.