Oscillating disc liquid meter

Claim 1

A METER FOR LIQUIDS COMPRISING A PAIR OF HEMISPHERICAL SHELLS CONNECTED TOGETHER, ONE OF SAID SHELLS INCLUDING A LIQUID INLET AND THE OTHER A LIQUID OUTLET, MEANS SUPPORTED WITHIN THE SHELLS AND DEFINING A MEASURING CHAMBER FOR THE FLOW OF LIQUID THROUGH THE SHELLS, SAID MEANS INCLUDING AN OUTER CASING AND AN INNER BOWL IN SAID CASING, SAID BOWL AND CASING HAVING COMPLEMENTARY SPHERICAL WALLS IN SURFACE CONTACT WITH ONE ANOTHER, SAID BOWL HAVING AN INLET OPENING AND AN OUTLET OPENING, SAID CASING HAVING AN INLET OPENING IN REGISTRY WITH THE LIQUID INLET OF THE BOWL AND IN COMMUNICATION WITH THE LIQUID INLET OPENING WHEREBY LIQUID MAY ENTER THE BOWL, SAID CASING HAVING A CAVITY IN THE WALL THEREOF IN REGISTRY WITH THE OUTLET OPENING IN THE BOWL AND IN COMMUNICATION WITH THE LIQUID OUTLET OPENING WHEREBY LIQUID MAY BE DISCHARGED FROM THE BOWL, DISC MEANS SUPPORTED IN SAID BOWL FOR OSCILLATING NUTATION MOVEMENT UNDER THE ACTION OF THE LIQUID FLOW, AND TOTALIZATOR MEANS SUPPORTED IN THE SHELLS IN OPERATIVE ASSOCIATED WITH THE DISC MEANS FOR BEING DRIVEN THEREBY TO PROVIDE A MEASUREMENT OF THE QUANTITY OF LIQUID FLOWING THROUGH THE SHELLS.