Heat shrinking apparatus

Claim 1

A HEAT SHRINKING APPARATUS FOR SHINKING MATERIALS ABOUT THE ARTICLES TO BE TREATED COMPRISING, A SUBSTANTIALLY FLAT RECTANGULARLY SHAPED BASE, A REMOVABLE ARTICLE HOLDING TRAY OF A SIZE AND CONFIGURATION TO FIT ON SAID BASE, A CAGE CARRIED BY SAID BASE VERTICALLY ADJUSTABLE TO A LOWER OPERATIVE POSITION AND AN UPPER INOPERATIVE POSITION, SAID CAGE INCLUDING VERTICALLY EXTENDING FRONT, REAR AND SIDE WALLS OF A SIZE AND CONFIGURATION IN ITS CLOSED OPERATIVE POSITION TO COMPLETELY SURROUND SAID TRAY AND TO REST ON SAID BASE ADJACENT THE PERIPHERAL EDGES THEREOF, A SUBSTANTIALLY HORIZONTALLY DISPOSED PAN FORMING A PARTITION WITHIN SAID WALLS OF SAID CAGE, MEANS FOR ADJUSTABLY SECURING SAID PAN WITHIN SAID WALLS FOR VARYING THE HEIGHT OF THE PAN IN RELATION TO THE LOWER END TERMINATION OF SAID WALLS, HEATING ELEMENTS CARRIED BY SAID PANS, MEANS CONNECTING SAID HEATING ELEMENTS TO A SOURCE OF ELECTRICAL CURRENT, MEANS FOR FACILITATING THE MOVING OF SAID CAGE TO ITS CLOSED OPERATIVE POSITION OVER SAID TRAY AND BASE AND TO ITS OPEN INOPERATIVE POSITION AWAY FROM SAID TRAY AND BASE INCLUDING A PAIR OF SPACED VERTICALLY EXTENDING SAID RAILS CARRIED BY SAID BASE, A CROSS-BEAM CONNECTING THE UPPER END TERMINATIONS OF SAID SIDE RAILS, A HANDLE AND CABLES SECURED TO THE UPPER SURFACE OF THE PAN, PULLEYS CARRIED BY SAID CROSS-BEAM AND EXTENDING BEYOND THE