Swing bed

Claim 1

IN A CONVERTIBLE BED ARRANGEMENT, THE COMBINATION COMPRISING: A STATIONARY FRAMEWORK STRUCTURE INCLUDING A BACKREST AND A LATERALLY PROJECTING FORMATION; A MOVABLE FRAMEWORK STRUCTURE ADAPTED TO SUPPORT BED ELEMENTS; A PLURALITY OF ROLLABLE SUPPORT ASSEMBLIES SUPPORTING SAID MOVABLE FRAMEWORK STRUCTURE FOR MOVEMENT RELATIVE TO SAID STATIONARY FRAMEWORK STRUCTURE; INTERACTING TRACK AND ROLLER MEANS ALIGNED LATERALLY OF SAID STATIONARY FRAMEWORK STRUCTURE AND CONNECTED INDIVIDUALLY TO SAID LATERALLY PROJECTING FORMATION AND TO SAID MOVABLE FRAMEWORK STRUCTURE FOR DIRECTING SLIDING MOVEMENT OF SAID MOVABLE FRAMEWORK STRUCTURE RELATIVE TO SAID STATIONARY FRAMEWORK STRUCTURE; PIVOT MEANS FOR SAID MOVABLE FRAMEWORK STRUCTURE CONNECTED TO A PORTION OF SAID INTERACTING TRACK AND ROLLER MEANS FOR SLIDING MOVEMENT WITH SAID MOVABLE FRAMEWORK STRUCTURE; A TILTABLE ARM; A FULCRUM FOR SAID TILTABLE ARM FIXED WITH RESPECT TO SAID PIVOT MEANS TO BE MOVABLE THEREWITH AND FOR CONNECTING SAID ARM TO SAID MOVABLE FRAMEWORK STRUCTURE; A FIRST ENGAGING MEMBER ON SAID ARM; COOPERATING SECOND ENGAGING MEMBERS ON EACH OF SAID STATIONARY AND MOV-