Exercise bar for bed

Claim 1

AN EXERCISE BAR FOR HOSPITAL BEDS OR THE LIKE COMPRISING A HOLLOW POST MEMBER HAVING CLAMPING MEANS FOR DETACHABLY SECURING THE SAME IN UPRIGHT POSITION TO THE END FRAME OF A HOSPITAL BED, A BEARING FLANGE FIXED AT THE UPPER END OF SAID POST MEMBER, A SWIVEL POST EXTENDING AXIALLY UPWARDLY FROM SAID HOLLOW POST MEMBER AND HAVING A BOOM FOR EXTENDING OVER THE SURFACE OF SUCH BED, THE LOWER END OF SAID SWIVEL POST BEING RECEIVED IN THE UPPER END OF SAID HOLLOW POST MEMBER TO JOURNAL SAID SWIVEL POST THEREIN FOR SWINGING SAID BOOM THROUGH A HORIZONTAL ARC, A BEARING FLANGE FIXED ON SAID SWIVEL POST ENGAGED IN FACE CONTACT WITH THE BEARING FLANGE ON SAID HOLLOW POST MEMBER TO TRANSFER THE LOAD BETWEEN THE TWO POST MEMBERS, INTERENGAGEABLE STOPS ON SAID BEARING FLANGES FOR LIMITING THE ARC OF ROTATION OF THE BOOM, ONE OF SAID BEARING FLANGES HAVING THEREIN A SERIES OF OPENINGS AND THE OTHER HAVING THEREIN AN OPENING ALIGNABLE SUCCESSIVELY WITH THOSE OF SAID SERIES BY SWINGING SAID BOOM, AND A PIN CARRIED BY ONE OF SAID POST MEMBER AND SAID SWIVEL POST, SAID PIN BEING NORMALLY ALIGNED WITH SAID ONE OPENING AND BIASED FOR INSERTION THROUGH THE OPENINGS IN BOTH FLANGES WHENEVER THE LATTER ARE ALIGNED.