Skid support construction

Claim 1

IN A CONTINUOUS REHEATING FURNACE HAVING HOLLOW ELONGATED SLAB-SUPPORTING SKIDS AND HOLLOW CROSS BEAMS TRAVERSING THE UNDERSIDES OF SAID SKIDS, A CONSTRUCTION FOR SUPPORTING EACH SKID ON A CROSS BEAM COMPRISING A FIRST SOLID BLOCK SECURED TO AND PROJECTING FROM THE UNDERSIDE OF SAID SKID SYMMETRICALLY OF THE VERTICAL PLANE CONTAINING THE AXIS OF THE SKID, SAID FIRST BLOCK HAVING A WIDTH SUBSTANTIALLY LESS THAN THE DIAMETER OF THE SKID WHEREBY THE LATTER SHIELDS THE BLOCK FROM HEAT DIRECTED DOWNWARDLY FROM THE SLAB, A SECOND SOLID BLOCK SECURED TO AND PROJECTING UPWARDLY FROM SAID BEAM SYMMETRICALLY OF THE VERTICAL PLANE CONTAINING THE AXIS OF SAID BEAM, SAID SECOND BLOCK HAVING A WIDTH SUBSTANTIALLY LESS THAN THE DIAMETER OF THE BEAM AND HAVING AN UPWARDLY OPENING CHANNEL-LIKE CENTRAL TRANSVERSE GROOVE ADAPTED TO RECEIVE SAID FIRST BLOCK, THE WIDTTH OF SAID GROOVE BEING GREATER THAN THE WIDTH OF SAID FIRST BLOCK WHEREBY THE LATTER IS FREE TO MOVE RELATIVE TO THE SECOND BLOCK IN A DIRECTION PARALLEL TO THE SKID AXIS BUT IS CONSTRAINED AGAINST MOVEMENT IN OTHER DIRECTIONS, THE DEPTH OF SAID GROOVE BEING LESS THAN THE PROJECTION OF SAID FIRST BLOCK FROM SAID SKID WHEREBY THE UPPER PART OF THE SECOND BLOCK IS BELOW THE SKID, THE LOWER PART OF SAID SECOND BLOCK BEING LONGER THAN THE UPPER PART THEREOF WHEREBY A MAXIMUM HEAT CONDUCTING AREA IS ESTABLISHED BETWEEN SAID BEAM AND THE SECOND BLOCK.