Mobile stand

Claim 1

IN COMBINATION WITH A STANDARD, A MOBILE BASE THEREFOR COMPRISING: TWO SETS OF RINGS MOUNTED UPON THE STANDARD FOR ROTATING ABOUT A COINCIDING VERTICAL AXIS, EACH SET INDEPENDENTLY OF THE OTHER, WITH EACH SET COMPRISING A LOWER RING LOCATED ADJACENT THE BOTTOM OF THE STANDARD AND AN UPPER RING SPACED A SUBSTANTIAL DISTANCE ABOVE SAID LOWER RING, SETS OF LEGS FOR EACH SET OF RINGS EXTENDING RADIALLY FROM THE RINGS AT EQUIDISTANTLY SPACED INTERVALS OF THE CIRCUMFERENCE, EACH OF THE LEGS WHICH ARE RELATED TO ONE SET OF RINGS OCCUPYING THE SPACE BETWEEN TWO ADJACENT LEGS RELATED TO THE OTHER SET OF RINGS, EACH LEG HAVING AN UPPER ARM AND A LOWER ARM JOINTED IN EACH INSTANCE TO PROVIDE AN INNER SECTION WHICH IS ATTACHED TO THE RESPECTIVE RING AND AN OUTER SECTION WHICH IS HINGEDLY CONNECTED TO THE INNER SECTION FOR ADJUSTING SWING MOTION ABOUT A VERTICAL AXIS PARALLELING THE ROTARY AXIS OF THE RINGS, THE HINGE AXES FOR SAID ARTICULATING SECTIONS OF THE UPPER AND LOWER ARMS OF A LEG COINCIDING A RESPECTIVE GROUND-ENGAGING FOOT ATTACHED TO THE OUTER ENDS OF THE TWO OUTER ARM SECTIONS OF EACH LEG, MEANS FOR SETTING THE OUTER ARM SECTIONS OF EACH LEG IN A SELECTED ANGULARLY ADJUSTED POSITION RELATIVE TO THE INNER ARM SECTIONS, A LINKING CONNECTION BETWEEN THE HINGE OF EACH OF SAID LEGS WHICH ARE RELATED TO ONE SET OF RINGS AND THE HINGE OF AN ADJACENT LEG RELATED TO THE OTHER SET OF RINGS, SAID LINKING CONNECTION COMPRISING TWO MEETING LINKS HINGEDLY JOINED FOR ADJUSTING SWING MOTION ABOUT A VERTICAL AXIS PARALLELING THE HINGE AXES OF THE LINKED LEGS, AND MEANS FOR SETTING SAID HINGEDLY CONNECTED LINKS IN A SELECTED ANGULARLY ADJUSTED POSITION.