Improved mattress assembly

Claim 1

AN IMPROVED SEPARABLE COMPOUND MATTRESS ASSEMBLY CHARACTERIZED BY A LOW RESISTANCE TO LOW MAGNITUDE COMPRESSIONAL DEFORMATIONS AND DISPROPORTIONATELY INCREASED HIGH RESISTANCE TO HIGHER MAGNITUDE COMPRESSIONAL DEFORMATIONS, SAID ASSEMBLY COMPRISING A FOAMED POLYETHER URETHANE ELASTOMERIO INTERIOR CORE UNIT OF GIVEN RESILIENCE, AND A LAUNDERABLE EXTERIOR UNIT SURROUNDING SAID CORE, THE SAID EXTERIOR UNIT COMPRISING A TOP PORTION AND A DETACHABLE BOTTOM PORTION CONNECTED TOGETHER, SAID TOP PORTION COMPRISING A QUILTED LAYER COMPRISING A TOP SHEET OF SYNTHETIC FABRIC, A BOTTOM SHEET OF SYNTHETIC FABRIC, AND A BATT CONTAINED BETWEEN THE SHEETS AND COMPRISED OF A QUANTITY OF RESILIENT CRIMPED FIBERS OF A SOLID SYNTHETIC LINEAR ORGANIC POLYMER OF ETHYLENE TEREPHTHALATE STITCHED IN PLACE BETWEEN SAID SHEETS, SAID QUANTITY OF FIBERS RANGING FROM ABOUT ONE AND ONE-HALF TO THREE OUNCES PER SQUARE FOOT OF BATT AND EVENLY DISTRIBUTED SO THAT SAID BATT POSSESSES A RESILIENCE SUBSTANTIALLY DIFFERENT FROM SAID CORE AND RECOVERS FROM COMPRESSION MORE SLOWLY THAN SAID RESILIENT CORE TO PROVIDE A SUITABLE DAMPING ACTION TO ELIMINATE OSCILLATORY VIBRATION EFFECTS, OR BOUNCING, IN SAID MATTRESS ASSEMBLY WHEN THE MATTRESS ASSEMBLY IS SUBJECTED TO COMPRESSION LOADS IN USE.