| abstract |
POSITIVE DISPLACEMENT FLUID PUMP FOR USE OF AN APPARATUS THAT PRODUCES AND DISPENSES CARBONATED BEVERAGE. CONSISTS OF A CONTROL BRACKET FIXEDLY MOUNTED ON THE PUMP; A STAND-MOUNTED AIR PUMP CONTROL VALVE HAVING AN INLET PORT CONNECTABLE TO A SOURCE OF COMPRESSED GAS AND AN OUTLET PORT CONNECTED TO FLUID FROM EACH CYLINDER; OF A VALVE ACTUATOR OSCILLATORILY LINKED TO THE BRACKET, HAVING A FOLLOWING HALF RESPONDING TO THE POSITION OF THE TOGGLE ROD TO TWIST THE ACTUATOR RELATIVE TO THE BRACKET, A TWO-ARMED YOKE, AND A HAMMER ON EACH ARM OF THE YOKE; AND OF A DEVIATION MEASURE TO DRIVE EACH HAMMER TOWARDS THE COUPLING WITH THE ANVIL OF THE RESPECTIVE SPOOL. |