Hinge means for folding table and seat structure

Claim 1

IN A TABLE AND SEAT STRUCTURE, NORMALLY HORIZONTALLY DISPOSED TABLE TOP MEANS, COMPRISING A FLAT TOP ELEMENT AND AN UNDERLYING SUPPORTING FRAME SECURED TO SAID TOP ELEMENT, LEG STRUCTURE SECURED TO SAID FRAME AND NORMALLY DEPENDING THEREFROM, A NORMALLY HORIZONTALLY DISPOSED SEAT ELEMENT, A MOUNTING DEVICE MOUNTING SAID SEAT ELEMENT TO SAID FRAME FOR SWINGING MOVEMENTS OF SAID SEAT ELEMENT ON A HORIZONTAL AXIS AND BETWEEN A HORIZONTAL DISPOSED OPERATIVE POSITION AT ONE SIDE OF AND BELOW THE LEVEL OF SAID TOP ELEMENT AND AN INVERTED INOPERATIVE STORAGE POSITION OF FACE-TO-FACE ENGAGEMENT WITH THE TOP SURFACE OF SAID TOP ELEMENT, SAID MOUNTING DEVICE COMPRISING A PAIR OF COOPERATING HINGE ELEMENTS ONE OF WHICH IS SECURED TO SAID SEAT ELEMENT, SAID FRAME DEFINING A SOCKET IMMEDIATELY BELOW THE BOTTOM SURFACE OF SAID TOP ELEMENT AND INWARDLY SPACED FROM THE ADJACENT EDGE OF SAID TOP ELEMENT, THE OTHER OF SAID HINGE ELEMENTS HAVING AN EXTENDED PORTION RECEIVABLE IN SAID SOCKET, AND MEANS FOR RELEASABLY LOCKING SAID EXTENDED PORTION IN SAID SOCKET.