Shaftless submersible pump

Claim 1

THE IMPROVED SUBMERSIBLE PUMP CONSTRUCTED OF A PLURALITY OF LINEARLY STACKED PUMPING UNITS COMPRISING: (A) A PLURALITY OF SEGMENTED MEANS HAVING COMPLEMENTARY END PORTIONS AND EACH HAVING AN OUTER CYLINDER WALL AND OPPOSITE END PORTIONS PROPORTIONED TO FIT WITHIN THE COMPLEMENTARY END PORTIONS OF ADJACENT SEGMENTED MEANS TO PROVIDE AN ENCLOSED CONTINOUS PUMP CHAMBER; (B) MEANS FORMING A PART OF SAID SEGMENTED MEANS FOR CHANNELING CENTRIFUGALLY DRIVEN LIQUID SUCCESSIVELY FROM ONE SEGMENTED MEANS TO THE NEXT IN A VERTICALLY UPWARD LINE OF TRAVEL; (C) A ROTATABLE IMPELLER MOUNTED FOR TURNING ONE WITHIN EACH OF SAID PUMPING UNITS AND INCLUDING A HUB ADAPTED FOR RECEIVING TORQUE INPUT FORCE AND PORTIONS POSITIONED TO RECEIVE FLUID FROM A LOWER LEVEL PUMPING UNIT AND AN OUTLET FROM WHICH FLUID IS EJECTED UNDER FORCE AND DIRECTED BY SAID CHANNELING MEANS TO A HIGHER UNIT; (D) AND DRIVING MEANS FOR COMMUNICATING TORQUE FROM ONE IMPELLER TO THE NEXT SO THAT SAID IMPELLERS ARE ROTATED IN UNISON BY TORQUE COMMUNICATED IN SERIES FROM ONE IMPELLER TO THE NEXT THROUGH THE HUB PORTIONS THEREOF AND WHICH PERMIT LIMITED RELATIVE MOVEMENTS OF EACH IMPELLER WITHIN ITS ASSOCIATED SEGMENTED MEANS;