Stationary or portable cooking oven

Claim 1

A PORTABLE COOKING OVEN CONSTRUCTED ENTIRELY OF METAL, HAVING A SUBSTANTIALLY FLAT BOTTOM WALL AND TOP WALL WITH SUBSTANTIALLY VERTICAL FRONT, REAR AND END WALLS PROVIDING A GENERALLY RECTANGULAR CHAMBER, A FLAT PARTITION MEMBER MOUNTED INTERMEDIATE THE HEIGHT OF SAID CHAMBER AND EXTENDING BETWEEN SAID FRONT AND REAR WALLS AND FROM ONE END WALL AND HAVING A FREE EDGE DISPOSED NEAR BUT SPACED FROM THE OPPOSITE END WALL AND PROVIDING A FIREBOX BETWEEN SAID PARTITION MEMBER AND SAID BOTTOM WALL AND A SPACE ADJACENT SAID OPPOSITE END WALL FORMING A FLUE, A DOOR IN SAID FRONT WALL PROVIDING ACCESS TO SAID FIREBOX, AN ASH PAN REMOVABLY SUPPORTED ON SAID BOTTOM WALL WITHIN SAID FIREBOX, A REMOVABLE GRATE DISPOSED IN SAID ASH PAN, A RELATIVELY HEAVIER BAFFLE PLATE FIXED TO THE UNDER SIDE OF SAID PARTITION MEMBER IN VERTICALLY SPACED RELATION THERETO, AN UPWARDLY PROJECTING BAFFLE ON SAID BOTTOM WALL EXTENDING BETWEEN SAID FRONT AND REAR WALLS AND POSITIONED NEAR BUT IN SPACED RELATION TO SAID OPPOSITE END WALL AND HAVING AN UPPER EDGE TERMINATING IN VERTICALLY SPACED RELATION TO SAID FREE EDGE OF SAID PARTITION MEMBER AND IN VERTICAL ALIGNMENT THEREWITH TO PROVIDE A FLUE OPENING, A SHELF DISPOSED IN SPACED AND PARALLEL RELATION ABOVE SAID PARTITION MEMBER AND EXTENDING BETWEEN SAID FRONT AND REAR WALLS AND TERMINATING ADJACENT THE SAID FREE EDGE OF SAID PARTITION MEMBER AND AT ITS OPPOSITE END IN SPACED RELATION TO SAID ONE END WALL, VERTICAL AND PARALLELLY SPACED PLATES INTEGRAL WITH SAID PARTITION MEMBER EXTENDING BETWEEN SAID FRONT AND REAR WALLS AND BETWEEN THE ENDS OF SAID SHELF AND SAID PARTITION MEMBER TO PROVIDE AN ELONGATED SHALLOW CHAMBER THEREBETWEEN, SAID ELONGATED CHAMBER BEING OPEN TO THE ATMOSPHERE THROUGH SAID REAR WALL, A RELATIVELY SHALLOW WATER PAN COVERING SUBSTANTIALLY THE ENTIRE EXTENT OF SAID SHELF AND REMOVABLY SUPPORTED ON SAID SHELF AND ADAPTED TO PROVIDE HIGH HUMIDITY CONDITIONS IN SAID OVEN WHEN IN USE, A GENERALLY L-SHAPED BAFFLE MEMBER EXTENDING BETWEEN SAID FRONT AND REAR WALLS BETWEEN SAID SHELF AND SAID TOP WALL WITH ONE LEG OF SAID LAST-NAMED BAFFLE VERTICALLY DISPOSED SUBSTANTIALLY MIDWAY BETWEEN SAID SHELF AND SAID ONE END WALL AND DEPENDING TO A POINT SUBSTANTIALLY IN ALIGNMENT WITH SAID SHELF TO FORM WITH SAID ONE END WALL A VERTICAL PASSAGE, THE FREE END OF THE OTHER LEG OF SAID LAST-NAMED BAFFLE BEING SUBSTANTIALLY IN ALIGNMENT WITH THE FREE EDGE OF SAID PARTITION MEMBER, SAID LAST-NAMED BAFFLE AND SAID SHELF PROVIDING A COOKING CHAMBER THEREBETWEEN, SAID VERTICAL PASSAGE COMMUNICATING AT ITS LOWER END WITH SAID COOKING CHAMBER, A FOOD SUPPORTING GRID REMOVABLY DISPOSED IN SAID COOKING CHAMBER AND PARALLELLY SPACED ABOVE SAID SHELF, SAID LAST-NAMED BAFFLE AND SAID TOP WALL PROVIDING A GENERALLY HORIZONTAL SMOKE PASSAGE, SAID VERTICAL PASSAGE COMMUNICATING AT ITS UPPER END WITH SAID SMOKE PASSAGE, SAID TOP WALL HAVING A SMOKE OUTLET COMMUNICATING WITH SAID SMOKE PASSAGE, A DOOR IN SAID FRONT WALL PROVIDING ACCESS TO SAID COOKING CHAMBER AND A DAMPER MEANS COMPRISING A PLATE PIVOTALLY MOUNTED ON THE FREE END OF SAID OTHER LEG OF SAID L-SHAPED BAFFLE AND ADJUSTABLY MOVABLE BETWEEN SAID OPPOSITE END WALL AND SAID VERTICAL PLATE AT THE SAID FREE EDGE OF SAID PARTITION MEMBER, WHEREBY WITH SAID DAMPER ENGAGING SAID OPPOSITE END WALL THE PRODUCTS OF COMBUSTION WILL FLOW FROM SAID FIREBOX AROUND THE FREE EDGE OF SAID PARTITION MEMBER, THROUGH SAID COOKING CHAMBER, AROUND THE LOWER EDGE OF SAID VERTICAL LEG OF SAID L-SHAPED BAFFLE TO SAID VERTICAL PASSAGE AND SAID SMOKE PASSAGE AND TO SAID SMOKE OUTLET, AND WITH SAID DAMPER ENGAGING SAID PLATE AT THE FREE EDGE OF SAID PARTITION MEMBER THE PRODUCTS OF COMBUSTION WILL FLOW FROM SAID FIREBOX DIRECTLY TO SAID SMOKE PASSAGE.