Hydraulically actuated surgical operating tables

Claim 1

AN OPERATING TABLE COMPRISING A BASE, A PEDESTAL SWINGABLY MOUNTED ONSASID BASE FOR VERTICAL SHIFTING MOVEMENT, AN INTERMEDIATE SUPPORT MEMBER SWINGABLY MOUNTED ON SAID PEDESTAL, A SEAT SECTION SWINGABLY MOUNTED ON SAID INTERMEDIATE SUPPORT MEMBER, A LEG SECTION SWINGABLY MOUNTED ADJACENT ONE END OF THE SEAT SECTION, A BACK SECTION SWINGABLY MOUNTED ADJACENT THE OTHER END OF THE SEAT SECTION, HYDRAULIC DRIVING MEANS OPERATIVELY CONNECTED TO SAID SEAT SECTION FOR LATERALLY TILTING SAID SEAT SECTION, HYDRAULIC DRIVING MEANS OPERATIVELY CONNECTED TO SAID LEG SECTION FOR INDEPENDENTLY SWINING SAID LEG SECTION, HYDRAULIC DRIVING MEANS OPERATIVELY CONNECTED TO SAID BACK SECTION FOR INDEPENDENTLY SWINGING SAID BACK SECTION, HYDRAULIC DRIVING MEANS OPERATIVELY CONNECTED TO SAID SEAT SECTION FOR LONGITUDINALLY TILTING SAID SEAT SECTION, MEANS FOR SUPPLYING FLUID UNDER PRESSURE TO EACH OF SAID HYDRAULIC DRIVING MEANS, SAID LAST-NAMED MEANS COMPRISING AN ELECTRIC MOTOR, A FLUID PUMP OPERATIVELY CONNECTED TO SAID MOTOR, A FLUID RESERVOIR, MEANS CONNECTING SAID FLUID RESERVOIR TO SAID FLUID PUMP, A SEPARATE PUSH-BUTTON VALUE MEANS OPERATIVELY CONNECTED TO EACH OF SAID DRIVING MEANS, PRESSURE REGULATING VALVE MEANS OPERATIVELY ASSOCIATED WITH SAID PUSH-BUTTON VALUE MEANS TO SAID PUMP, WHERENECTING SAID PUSH-BUTTON VALVE MEANS TO SAID PUMP, WHEREBY FLUID MAY BE SUPPLIED TO SAID HYDRAULIC DRIVING MEANS THROUGH SAID VALVE MEANS.