Self-leveling air supported mobile chair base

Claim 1

MOBILE BASE MEANS FOR A CHAIR SEAT COMPRISING; (A) A BASE STRUCTURE NORMALLY IN SUPPORTED ENGAGEMENT ON A FLOOR SURFACE, A MEMBER CARRIED BY SAID BASE STRUCTURE FOR SUPPORTING AN OBJECT, (B) AN AIR LEVITATION SYSTEM ON SAID BASE STRUCTURE COMPRISING, (C) A BLOWER ASSEMBLY MOUNTED ON SAID BASE STRUCTURE, (D) AT LEAST TWO AIR LEVITATION PADS MOUNTED ON THE UNDER SIDE OF SAID BASE STRUCTURE IN TRANSVERSELY SPACED RELATIONSHIP TO EACH OTHER, EACH PAD HAVING AN UPPER PAD BODY AND (E) AN AIR INLET DEFINING A PLENUM CHAMBER ON EACH PAD AND LOCATED SUBSTANTIALLY AT THE CENTER OF EACH PAD BODY, (F) AN AIR DISCHARGE PLATE HAVING A PLURALITY OF AIR DISCHARGE ORIFICES POSITIONED IN SAID AIR INLET, (G) A CONDUIT CONNECTING SAID BLOWER TO EACH AIR INLET, (H) A VALVE MEANS IN EACH AIR INLET OVERLYING SAID DISCHARGE PLATE, (I) ACTUATING MEANS EXTENDING AXIALLY THROUGH SAID AIR DISCHARGE PLATE FOR AXIAL UP AND DOWN MOVEMENT THEREIN AND CONNECTED AT ITS UPPER END TO EACH VALVE MEANS AND OPERABLE TO NORMALLY HOLD THE SAME OPEN TO PERMIT THE DISCHARGE OF PRESSURIZED AIR FROM SAID PLENUM CHAMBER INTO ITS CORRESPONDING PAD, (J) A GLIDE BUTTON ON THE LOWER END OF EACH ACTUATING MEANS, (K) A FLEXIBLE POROUS COVER EXTENDING ACROSS AT LEAST A PART OF THE BOTTOM OF EACH PAD AND THROUGH WHICH THE PRESSURIZED AIR IS DISCHARGED FOR REACTION AGAINST SAID FLOOR SURFACE TO FORM A FILM OF AIR BETWEEN SAID BOTTOM AND FLOOR SURFACE UPON WHICH SAID BASE STRUCTURE MAY GLIDE, SAID COVER AND PAD BODY OF EACH PAD FORMING AN ANNULAR CHAMBER, AND (1) THE BUTTON ON EACH SAID ACTUATING MEANS ENGAGING SAID FLOOR SURFACE AND RESPONSIVE TO THE POSITION ITS PAD ASSUMES WITH RELATION TO THE FLOOR SURFACE SO AS TO CONTROL THE VOLUME OF PRESSURIZED AIR DELIVERED TO SAID PAD FROM THE PLENUM CHAMBER, WEHREBY THE DISCAHRGE OF PRESSURIZED AIR FROM THE BOTTOM OF THE PADS WILL EFFECT A SELF-EQUALIZING ACTION ON THE PADS AND BASE STRUCTURE TO MAINTAIN THE SAME LEVEL WHILE THE BASE STRUCTURE IS GLIDING UPON A FILM OF AIR.