Hydrostatic pressure device

Claim 1

A HYDROSTATIC PRESSURE DEVICE COMPRISING A BASE PLATE HAVING A CYLINDRICAL BOSS EXTENDING UPWARDLY THEREFROM, A FIRST CYLINDER HAVING A BORE COMPLETELY THERETHROUGH DISPOSED ABOUT SAID CYLINDRICAL BOSS AND SUPPORTED ON SAID BASE PLATE, SEALING MEANS BETWEEN THE BORE OF SAID FIRST CYLINDER AND SAID CYLINDRICAL BOSS AND DEFINING A FIRST CHAMBER HAVING AN OPENING AT THE UPPER END THEREOF, A SECOND CYLINDER SUPPORTED ON SAID BASE AND HAVING A BORE THEREIN, THE WALL OF SAID SECOND CYLINDER BORE SPACED FROM AND SURROUNDING THE OUTER WALL OF SAID FIRST CYLINDER, SEALING MEANS ARRANGED BETWEEN THE LOWER ENDS OF SAID FIRST CYLINDER AND SAID SECOND CYLINDER AND DEFINING IN THE BORE OF SAID SECOND CYLINDER A SECOND CHAMBER HAVING AN OPENING AT THE UPPER END THEREOF, SAID SECOND CHAMBER SURROUNDING SAID FIRST CHAMBER AND BEING AT LEAST AXIALLY COEXTENSIVE WITH SAID FIRST CHAMBER, A HYDROSTATIC MEDIUM IN EACH DOWNWARDLY EX-U SECOND CHAMBERS, A RAM HAVING A FIRST DOWNWARDLY EXTENDING PISTON DISPOSED WITHIN THE OPENING OF SAID FIRST CHAMBER, AND A SECOND DOWNWARDLY EXTENDING PISTON DISPOSED IN THE OPENING OF SAID SECOND CHAMBER, SEALING MEANS BETWEEN SAID FIRST DOWNWARDLY EXTENDING PISTON AND THE OPENING OF SAID FIRST CHAMBER, AND SEALING MEANS BETWEEN SAID SECOND DOWNWARDLY EXTENDING PISTON AND THE OPENING OF SAID SECOND CHAMBER, SAID FIRST AND SECOND PISTONS ON THE RAM BEING MOVABLE CONJOINTLY INTO THE RESPECTIVE CHAMBERS TO CREATE HYDROSTATIC PRESSURE IN THE MEDIA THEREIN.