Power train for jet propelled water craft

Claim 1

A PROPULSION MEANS FOR A WATER CRAFT COMPRISING: WALLS DEFINING A WATER CONFINING PASSAGE HAVING AN INLET END AND A DISCHARGE END; A FIRST PUMP IMPELLER DISPOSED WITHIN SAID PASSAGE FOR DRAWING WATER THEREIN THROUGH SAID INLET END; A DRIVE SHAFT CONNECTED TO SAID FIRST IMPELLER FOR ROTATING SAME IN ONE DIRECTION; A MAIN SHAFT; MEANS RIGIDLY SUPPORTING SAID MAIN SHAFT IN AXIAL ALIGNMENT WITH SAID DRIVE SHAFT; A DRIVEN GEAR ROTATABLY SUPPORTED ON SAID MAIN SHAFT; A SECOND IMPELLER POSITIONED WITHIN SAID PASSAGE IN DOWNSTREAM RELATION TO SAID FIRST IMPELLER AND CONNECTED TO SAID DRIVEN GEAR FOR ROTATION THEREWITH; A DRIVE GEAR ROTATABLY SUPPORTED ON SAID MAIN SHAFT IN AXIALLY SPACED RELATION TO SAID DRIVEN GEAR AND CONNECTED FOR ROTATION WITH SAID DRIVE SHAFT; AND MEANS PROVIDING A TORQUE TRANSMITTING CONNECTION BETWEEN SAID DRIVE AND DRIVEN GEARS INCLUDING A TRANSVERSELY EXTENDING COUNTERSHAFT SUPPORTED BY SAID MAIN SHAFT BETWEEN SAID DRIVE AND DRIVEN GEARS AND HAVING AN IDLER GEAR ROTATABLY SUPPORTED BY SAID COUNTERSHAFT IN TORQUE TRANSMITTING ENGAGEMENT WITH BOTH SAID DRIVE AND DRIVEN GEARS.