Barbecue apparatus

Claim 1

A BARBECUE APPARATUS WHICH COMPRISES A BODY MEMBER HAVING A BOTTOM WALL AND UPSTANDING SIDE WALLS FORMING A COMPARTMENT WITHIN SAID BODY MEMBER WHICH IS CLOSED AT THE BOTTOM AND OPEN AT THE TOP TO PROVIDE A GRILLE COOKING AREA, AN IMPERFORATE PERIPHERAL LEDGE PROJECTING INWARDLY FROM SAID SIDE WALLS ABOVE SAID BOTTOM WALL FOR PARTITIONING SAID COMPARTMENT INTO AN UPPER HEATING CHAMBER AND A LOWER PLENUM CHAMBER, A FIREBOX WITHIN SAID COMPARTMENT HAVING A PERFORATE GRATE BOTTOM AND PERFORATE UPSTANDING SIDE WALLS SITUATED IN SPACED RELATION TO THE CORRESPONDING UPSTANDING SIDE WALLS OF SAID BODY MEMBER TO PROVIDE FLUES AROUND THE SIDE WALLS OF SAID FIREBOX WHICH ARE OPEN AT THE TOP OF THE FIREBOX, A PERIPHERAL FLANGE FORMED AROUND SAID SIDE WALLS OF SAID FIREBOX ABOVE SAID BOTTOM THEREOF AND PROJECTING OUTWARDLY FOR SUPPORTING SAID FIREBOX ON SAID PERIPHERAL LEDGE, AND A VENT OPENING IN SAID BODY MEMBER COMMUNICATING OUTSIDE AIR WITH SAID PLENUM CHAMBER WHEREBY THE AIR ENTERING SAID PLENUM CHAMBER MUST PASS THROUGH THE GRATE BOTTOM OF THE FIREBOX AND ABOVE SAID LEDGE BEFORE IT CAN PASS THROUGH THE PERFORATE SIDE WALLS OF SAID FIREBOX INTO THE FLUES AROUND SAID FIREBOX.