Ventilating hood

Claim 1

A VENTILATING HOOD ADAPTED FOR ASSOCIATION WITH WALL OR OVERHEAD EXHAUST DUCT WORK, SAID HOOD HAVING A CASING WITH A BACK WALL AND A TOP WALL, A FIRST AIR EXHAUST OPENING IN SAID BACK WALL AND A SECOND AIR EXHAUST OPENING IN SAID TOP WALL REGISTERING RESPECTIVELY WITH SAID WALL AND OVERHEAD EXHAUST DUCT WORK, A BLOWER HOUSING INCLUDING A BLOWER SUPPORTED WITHIN SAID CASING FOR DIRECTING AIR INTO THE HOOD, SAID HOUSING HAVING AN AIR INLET AND WALLS DEFINING AN OPEN ENDED AIR EXHAUST PASSAGE LEADING TOWARD SAID EXHAUST OPENINGS, A BAFFLE ADAPTED TO BE REMOVABLY SECURED ACROSS SAID EXHAUST PASSAGE IN POSITION DIRECTING AIR THROUGH SAID SECOND EXHAUST OPENING, A COVER ADAPTED TO BE SECURED OVER EITHER OF SAID EXHAUST OPENINGS, SAID COVER BEING SECURED OVER SAID FIRST EXHAUST OPENING WHEN THE BAFFLE IS SECURED ACROSS THE EXHAUST PASSAGE AND BEING SECURED OVER SAID SECOND EXHAUST OPENING WHEN THE BAFFLE IS REMOVED, WHEREBY THE REMOVING AND SECURING OF SAID BAFFLE ACROSS SAID EXHAUST PASSAGE RESULTS IN DIRECTING AIR DRAWN INTO THE HOOD THROUGH SAID INLET AND THROUGH SAID EXHAUST PASSAGE BY SAID BLOWER TO AN UNCOVERED ONE OF SAID EXHAUST OPENINGS PRESELECTED FOR ASSOCIATION WITH OVERHEAD OR WALL EXHAUST DUCT WORK, SAID COVER BEING SECURED OVER THE TOP CASING WALL OPENING AND SAID BAFFLE BEING REMOVED FOR ASSOCIATION OF SAID HOOD WITH WALL EXHAUST DUCT WORK, AND SAID COVER BEING SECURED OVER THE BACK CASING WALL OPENING AND SAID BAFFLE BEING SECURED ACROSS SAID EXHAUST PASSAGE FOR ASSOCIATION OF SAID HOOD WITH OVERHEAD EXHAUST DUCT WORK.