Cover for aircraft seat

Claim 1

IN COMBINATION WITH A SEAT HAVING A PAIR OF SPACED VERTICAL SIDE MEMBERS AND A SEAT FRAME PROJECTING FORWARDLY FROM EACH SAID SIDE MEMBER AND SPACER MEANS BETWEEN THE LOWER SAID SEAT RAILS, A SEAT COVER AND BODY SUPPORT OF FLEXIBLE SHEET MATERIAL HAVING FRONT, SIDE AND BACK EDGES, FLAPS CONNECTED WITH SAID EDGES AND ADAPTED TO FIT AROUND AND BENEATH CORRESPONDING PARTS OF SAID SEAT FRAME, OPPOSITE EDGES OF SAID FLAPS BEING SUBSTANTIALLY PARALLEL WITH EACH OTHER AND HAVING HAMMED CASINGS THEREIN, FLAP ELONGATE TENSION BARS RECEIVED WITH SAID CASINGS, TURNBUCKLES CONNECTING PARALLEL SAID TENSION BARS AND NOTCHES IN SAID CASINGS AND FLAPS WHERE SAID TURNBUCKLES CONNECT WITH SAID TENSION BARS WHEREBY SAID BARS MAY BE ROTATED WHEN SAID TURNBUCKLES ARE DISCONNECTED AND WHEREBY SAID TURNBUCKLES MAY BE RECONNECTED TO SAID BAR AFTER THE SAME HAVE BEEN TURNED, OFFSETS IN SAID TENSION BARS WHERE THEY CONNECT WITH SAID TURNBUCKLES, THE OFFSETS IN ONE PARALLEL PAIR OF SAID TENSION BARS BEING OPPOSITE TO THE OFFSETS OF THE REMAINING PAIR OF SAID TENSION BARS WHEREBY CROSSING SAID TENSION BARS DO NOT INTERFERE WITH EACH OTHER.