Beam type weighing scale

Claim 1

IN A WEIGHING SCALE OF THE CHARACTER DESCRIBED, SUPPORT MEANS, A SCALE BEAM DEVICE CARRIED BY AND TILTABLE RELATIVE TO THE SUPPORT MEANS ABOUT A GENERALLY HORIZONTAL AXIS, SAID BEAM DEVICE COMPRISING A BODY UNIT ENGAGED BY THE SUPPORT MEANS AND ADAPTED TO BE CONNECTED TO A LOAD, A PLURALITY OF BEAM UNITS SECURED TO THE BODY UNIT, ONE OF THE BEAM UNITS PROJECTING BEYOND ONE END OF THE BODY UNIT AND DISPOSED WHOLLY TO ONE SIDE OF SAID AXIS, ANOTHER OF THE BEAM UNITS PROJECTING BEYOND THE OTHER END OF THE BODY UNIT AND DISPOSED WHOLLY TO THE OTHER SIDE OF SAID AXIS, EACH OF THE BEAM UNITS BEING PROVIDED WITH A PLURALITY OF SPACED OPENINGS ARRANGED IN A ROW AND AT PREDETERMINED DISTANCES FROM SAID AXIS, A PLURALITY OF BALL POISES FOR EACH BEAM UNIT, THE BALL POISES OF EACH BEAM UNIT BEING SUBSTANTIALLY IDENTICAL IN SIZE AND WEIGHT, THE SIZE AND WEIGHT OF EACH BALL POISE OF ONE BEAM UNIT DIFFERING FROM THOSE OF THE OTHER BEAM UNIT, EACH OF THE BALL POISES BEING REMOVABLY SEATED ON A PORTION OF EACH BEAM UNIT WHICH DEFINES A CORRESPONDING ONE OF SAID OPENINGS, AND MEANS FOR LIFTING PRESELECTED BALL POISES FROM THEIR SEATS ALONG A SUBSTANTIALLY VERTICAL PATH AND MAINTAINING THE SAME OUT OF ENGAGEMENT WITH THE BEAM DEVICE.