Adjustable grill

Claim 1

AN ADJUSTABLE GRILL, COMPRISING: (A) A PAIR OF PLATES IN FACE TO FACE ENGAGEMENT AND SUPERPOSED RELATION PROVIDING AN UPPER PLATE AND A LOWER PLATE; (B) SAID PAIR OF PLATES EACH BEING FORMED WITH A PAIR OF PARALLEL ROWS OF EQUALLY SPACED OPENINGS AND INTERVENING GRILL PORTIONS RESPECTIVELY BETWEEN THE ADJACENT PAIRS OF OPENINGS IN EACH ROW WITH SAID INTERVENING PORTIONS BEING OF SUBSTANTIALLY THE SAME WIDTH AS EACH OF THE OPENINGS OF EACH OF SAID ADJACENT PAIRS IN A DIRECTION LONGITUDINALLY OF EACH ROW AND THE ROWS OF OPENINGS IN SAID UPPER PLATE BEING SUPERPOSED RELATIVE TO THE ROWS OF OPENINGS IN SAID LOWER PLATE, WHEREBY UPON MOVEMENT OF ONE PLATE RELATIVE TO THE OTHER LONGITUDINALLY OF SAID ROWS THE INTERVENING PORTION BETWEEN EACH ADJACENT PAIR OF OPENINGS IN EACH ROW OF OPENINGS MAY MOVE TO A POSITION IN WHICH THE RESPECTIVE OPENINGS IN SAID ROWS WILL BE FULLY CLOSED; (C) THE OPENINGS IN ONE CORRESPONDING ROW IN EACH PLATE BEING DIFFERENT IN NUMBER THAN THE NUMBER OF OPENINGS IN THE OTHER CORRESPONDING ROW IN EACH PLATE WITH THE DIFFERENCE IN NUMBER BEING SUCH THAT IN A FIRST POSITION OF SAID PLATES RELATIVE TO EACH OTHER ALL OF THE OPENINGS IN ONE PLATE WILL BE CLOSED BY SAID INTERVENING PORTIONS OF THE OTHER PLATE, AND IN A SECOND POSITION ALL OF THE OPENINGS IN BOTH PLATES WILL BE SUBSTANTIALLY FULLY OPEN AND IN OTHER POSITIONS OF SAID PLATES RELATIVE TO EACH OTHER IN SAID DIRECTION THE EFFECTIVE OPENINGS IN THE PAIR OF ROWS IN EACH PLATE WILL VARY RELATIVE TO EACH OTHER AND RELATIVE TO SAID FIRST AND SECOND POSITIONS; AND (D) MEANS SUPPORTING SAID PLATES FOR MOVEMENT RELATIVE TO EACH OTHER IN SAID DIRECTION THROUGH ALL OF SAID POSITIONS.