Bed lounge mechanism

Claim 1

IN CONVERTIBLE LOUNGE BED, IN COMBINATION: A RECTANGULAR BASE FRAME HAVING SIDE RAILS. A HEAD RAIL AND A FOOT RAIL; A PLURALITY OF BED SECTIONS INCLUDING A BACK SECTION HAVING A TRANSVERSE HEAD BAR PARALLEL TO THE HEAD RAIL AND TWO SIDE BARS PARALLEL TO THE SIDE RAILS, A SEAT SECTION HAVING SIDE BARS, AND A LEG SECTION HAVING SIDE BARS CONNECTED BY A FOOT BAR; MEANS CONNECTING THE SIDE BARS OF SAID SECTIONS END TO END FOR PIVOTAL MOVEMENT OF THE PORTIONS BETWEEN A BED POSITION IN WHICH THE SECTIONS ARE COPLANAR AND A LOUNGE POSITION IN WHICH ADJACENT SECTIONS ARE DISPOSED AT OBTUSE ANGLEW WITH RESPECT TO ONE ANOTHER; PIVOT MEANS MOUNTING THE BACK SECTION ON THE SIDE RAILS OF THE BASE FRAME; LEG SECTION LINK MEANS MOUNTING THE LEG SECTION ON SAID SIDE RAILS, SAID PIVOT MEANS BEING SO LOCATED WITH RESPECT TO THE CONNECTION BETWEEN THE BACK SECTION AND THE SEAT SECTION THAT THE NORMAL DISPOSITION OF BODY WEIGHT OF A PERSON RECLINING ON SAID SECTIONS WITH HIS HEAD NEAR THE HEAD BAR USES THE SECTIONS TO ASSUME THE LOUNGE POSITION; AND FRICTION LOCKING MEANS BETWEEN THE BACK SECTION AND ONE SIDE RAIL OF THE BASE FRAME, SAID LOCKING MEANS INCLUDNG A SLOTTED ARM PIVOTED ON A BACK SECTION SIDE BAR, A STUD SUPPORTED ON SAID ONE SIDE RAIL AND IMPALING THE SLOT IN THE ARM, CLAMPING LEVER MEANS ROTATABLE ON SAID STUD BETWEEN THE ARM AND THE BACK SECTION, SAID LEVER MEANS INCLUDING A FRICTION SHOE FACING THE ARM, AN INTERENGAGING CAM MEANS ON THE STUD AND THE LEVER SO THAT THE ROTATION OF THE LEVER IN ONE DIRECTION FORES THE FRICTION SHOE AGAINST THE ARM TO CLAMP THE ARM AGAINST THE ONE SIDE RAIL AND ROTATION OF THE LEVER IN THE OPPOSITE DIRECTION RELEASES THE ARM, SAID STUD IN BED POSITION OF THE BED SECTIONS ABUTTING THE FIRST END OF THE SLOT AND IN LOUNGE POSITION ABUTTING A SECOND END OF THE SLOT.