Hydrostatic bearing unit for antenna structure

Claim 1

IN A HYDROSTATIC BEARING UNIT FOR HEAVY, HORIZONTALLY ROTATABLE EQUIPMENT EXPOSED TO TRANSIENT LOADS, SUCH AS AN ANTENNA OF THE RADAR AND RADIO ASTRONOMY TYPE: A LOWER BEARING MEMBER COMPRISING A BOTTOM, AN ANNULAR OUTER SILL UPSTANDING FROM SAID BOTTOM TO A GENERALLY HORIZONTAL TOP SURFACE, AND AN INNER SILL UPSTANDING FROM SAID BOTTOM AND INWARDLY SPACED FROM SAID OUTER SILL TO PROVIDE A POOL AREA THEREBETWEEN, SAID INNER SILL HAVING GENERALLY HORIZONTAL TOP SURFACE SLIGHTLY BELOW THE HORIZONTAL TOP SURFACE OF SAID OUTER SILL AND HAVING AN UPWARDLY EXTENDING APERTURE TO PROVIDE AN INLET FOR VISCOUS LIQUID; AND AN UPPER BEARING MEMBER OVERLYING SAID SILL SURFACES AND POOL TO PROVIDE FOR SUBSTANTIALLY DIRECT FLOW OF SAID LIQUID OVER THE TOP SURFACE OF SAID INNER SILL ACROSS THE POOL AREA, AND OVER THE TOP SURFACE OF SAID OUTER SILL, THEREBY TO PROVIDE A HYDROSTATIC BEARING EFFECT TO SUPPORT SAID EQUIPMENT AND A DASHPOT EFFECT TO ABSORB SAID TRANSIENT LOADS.