Cushions, and the like

Claim 1

AS A NEW ARTICLE OF MANUFACTURE, A FLEXIBLE AND FOLDABLE CUSHION COMPRISING IN COMBINATION A FIRST DEFINED SHEET OF FLEXIBLE FOLDABLE TOUGH MATERIAL AND A SECOND DEFINED COMPANION SHEET OF FLEXIBLE FOLDABLE TOUGH MATERIAL; THE FIRST DEFINED SHEET BEING PROVIDED WITH RECESSES ALL EXTENDING OUTWARDLY FROM ONE FACE OF SAID SHEET; SAID RECESSES BEING LOCATED IN LONGITUDINALLY EXTENDING PARALLEL COLUMNS, AND ALSO BEING LOCATED IN CROSSWISE EXTENDING ROWS TO PRODUCE A REGULAR PATTERN OF THE LOCATIONS OF SUCH RECESSES, AND THE RECESSES BEING SEPARATED FROM EACH OTHER BY LONGITUDINALLY EXTENDING AISLES BETWEEN THE COLUMNS AND BY CROSS-WISE EXTENDING AISLES BETWEEN THE ROWS, AND THE SHEET ELEMENTS WHICH COMPRISE THE FLOORS OF ALL SUCH AISLES LYING SUBSTANTIALLY IN A COMMON PLANE WHEN SAID SHEET IS IN FLATTENED CONDITION; THE SECOND DEFINED SHEET BEING IN FACIAL ENGAGEMENT WITH THE SHEET AISLE PORTIONS OF THE FIRST DEFINED SHEET; BLOCKS OF NONPERMEABLE POROUS ELASTIC MATERIAL IN THE RECESSES OF THE FIRST DEFINED SHEET, SAID BLOCKS BEING OF SIZE AND CONTOUR TO SUBSTANTIALLY FILL THE CORRESPONDING RECESSES WITH THE FACES OF ALL OF THE BLOCKS LYING SUBSTANTIALLY IN THE PLANE OF THE AISLES OF THE FIRST DEFINED SHEET AND IN FACIAL ENGAGEMENT WITH THE PROXIMATE SURFACE AREAS OF THE SECOND DEFINED SHEET; TOGETHER WITH MEANS TO SECURE THE AISLE AREAS OF THE SURFACE OF THE FIRST DEFINED SHEET TO THE PROXIMATE SURFACE AREAS OF THE SECOND DEFINED SHEET, WHEREIN THE RECESSES COMPRISING EACH COLUMN AND THE BLOCKS IN SUCH RECESSES, ARE OF PROGRESSIVELY DECREASING HEIGHT WHEN PROGRESSING ALONG THE CORRESPONDING AISLE IN A GIVEN DIRECTION, FROM A MAXIMUM HEIGHT AT ONE END OF THE COLUMN AND DECREASING IN HEIGHT TO A CENTRALLY LOCATED CROSS-WISE EXTENDING AISLE, AND WHEREIN THE BLOCKS COMPRISING SUCH COLUMN AND BEGINNING AT SUCH CROSS-WISE EXTENDING AISLE AND PROGRESSING IN SAID GIVEN DIRECTION, ARE OF PROGRESSIVELY DECREASING HEIGHT TO A MINIMUM HEIGHT AT THE END OF THE COLUMN REMOVED FROM THE BEGINNING OF THE COLUMN; WHEREBY WHEN THE CUSHION IS FOLDED ALONG SUCH CROSSWISE EXTENDING AISLE TO BRING THE BLOCKS AT THE AREA OF SUCH COLUMN WHICH IS ABOVE THE CROSS-WISE EXTENDING AISLE, INTO FACIAL ENGAGEMENT WITH THE BLOCKS OF SUCH COLUMN WHICH ARE BELOW SUCH CROSS-WISE EXTENDING AISLE, THE BLOCKS OF SUCH TWO COLUMN AREAS ARE SUCCESSIVELY ENGAGED WITH EACH OTHER COMMENCING AT THE CROSS-WISE EXTENDING AISLE, AND WITH THE BLOCKS OF THE FIRST MENTIONED AREA, OF PROGRESSIVELY INCREASING HEIGHT WHEN PROGRESSING AWAY FROM THE CROSS-WISE EXTENDING AISEL, IN CONTACT WITH BLOCKS OF THE SECOND MENTIONED AREA WHICH ARE OF PROGRESSIVELY DECREASING HEIGHT WHEN PROGRESSING AWAY FROM SUCH AISLE.