Scrap metal preheater

Claim 1

APPARATUS FOR USE IN PREHEATING SCRAP METAL COMPRISING: (A) FIRST AND SECOND CYLINDRICAL TUBULAR MAEMBERS; (B) ARMS MOUNTED TO AND EXTENDING FROM SAID FIRST AND SECOND TUBULAR MEMBERS, SAID ARMS BEING PIVOTALLY CONNECTED TOGETHER AT A FIRST POINT INTERMEDIATE THEIR LENGTH; (C) LINKS PIVOTALLY CONNECTED TOGETHER AT A SECOND POINT AND PIVOTALLY CONNECTED TO EACH ARM AT THIRD AND FOURTH PIVOT POINTS, AND SECOND POINT PIVOT BEING ADAPTED TO BE ENGAGED BY LIFTING MECHANISM WHEREBY WHEN A LIFTING FORCE IS APPLIED TO SAID SECOND POINT PIVOT, SAID FIRST AND SECOND TUBULAR MEMBERS PIVOT INTO END ABUTTING RELATION ALONG A PLANE PASSING THROUGH SAID FIRST AND SECOND PIVOT POINTS; (D) REFRACTORY MEANS APPLIED TO THE INNER SURFACE OF EACH SAID TUBULAR MEMBER; (E) REFRACTORY LINED SPACED APART THIRD AND FOURTH CYLINDRICAL MEMBERS SURROUNDING THE LOWER PORTION OF EACH SAID FIRST AND SECOND TUBULAR MEMBERS IN SPACED RELATION THERETO, SAID THIRD AND FOURTH SPACED APART CYLINDRICAL MEMBERS DEFINING DUCTS OF A LABYRINTH PASSAGE FOR HOT GASES OF COMBUSTION GENERATED IN THE END PORTION OF EACH SAID FIRST AND SECOND TUBULAR MEMBER REMOTE FROM SAID ABUTTING PLANE; (F) SADDLE SUPPORTING MEANS MOUNTED TO EACH FIRST AND SECOND TUBULAR MEMBER AT A LEVEL BELOW SAID FIRST POINT PIVOT AND ON THE SIDE OF EACH TUBULAR MEMBER OPPOSITE SAID PLANE OF ABUTMENT WHEREBY, WHEN SAID APPARATUS IS SUSPENDED FROM SAID SECOND PIVOT POINT AND IS DISPOSED BETWEEN FIXED SUPPORTS ENGAGING SAID SADDLE SUPPORTS, AND SAID APPARATUS IS LOWERED RELATIVE TO SAID FIXED SUPPORTS, TO SAID FIRST AND SECOND TUBULAR MEMBERS PIVOT RELATIVE TO EACH OTHER ABOUT SAID FIRST PIVOT AND EACH TUBULAR MEMBER PIVOTS RELATIVE TO A RESPECTIVE ENGAGING FIXED SUPPORTING, SAID FIRST AND SECOND TUBULAR MEMBERS PIVOT IN OPPOSITE DIRECTIONS AND SCRAP MATEIAL IN SAID APPARATUS IS DISCHARGED THEREFROM.