Self-leveling devices

Claim 1

AN ARTICLE OF FURNITURE COMPRISING A TOP MEMBER, A PAIR OF LEGS DEPENDING FROM THE UNDERSIDE OF SAID TOP MEMBER ADJACENT EACH END THEREOF, A PIVOT BLOCK RIGIDLY CONNECTING THE LOWER END PORTIONS OF ONE PAIR OF LEGS TOGETHER, A BASE MEMBER PROVIDED WITH AN APERTURE FOR RECEIVING EACH LEG OF SAID ONE PAIR OF LEGS, SAID APERTURES BEING LARGER IN DIAMETER THAN SAID LEGS TO PROVIDE CLEARANCE FOR SAID BASE MEMBER TO MOVE PIVOTALLY RELATIVE TO SAID LEGS, A SUPPORTING FOOT DEPENDING FROM EACH END OF SAID BASE MEMBER, SAID BASE MEMBER BEING PIVOTALLY CONNECTED TO SAID PIVOT BLOCK, WHEREBY SAID BASE MEMBER MAY BE ADJUSTED TO ALLOW BOTH OF SAID SUPPORTING FEET TO ENGAGE NON-LEVEL FLOOR SURFACES TO COOPERATE WITH SAID OTHER PAIR OF LEGS TO SUPPORT SAID ARTICLE OF FURNITURE WITH SAID TOP MEMBER IN A HORIZONTAL PLANE, AND A COMPRESSIBLE BUSHING MOUNTED IN EACH APERTURE TO SNUB THE PIVOTAL MOVEMENT OF SAID BASE MEMBER.