Device for cleaning swimming pools

Claim 1

AN APPARATUS FOR CLEANING FOREIGN MATERIAL FROM SUBMERGED SWIMMING POOL SURFACES, SAID APPARATUS BEING ADAPTED FOR USE IN COMBINATION WITH A RECEPTACLE HAVING AN OPEN INLET PORTION AND A FLUID DISCHARGE PORTION, SAID APPARATUS COMPRISING: (A) A RECEIVER ADAPTED TO BE SECURED TO THE OPEN INLET PORTION OF A RECEPTACLE USED IN COMBINATION THEREWITH; (B) GUIDE MEANS SECURED TO SAID RECEIVER, SAID GUIDE MEANS BEING ADAPTED TO GUIDE FLUID DIRECTED THEREINTO THROUGH THE OPEN INLET PORTION OF A RECEPTACLE SECURED TO SAID RECEIVER; (C) A WATER CONVEYING CONDUIT HAVING A PORTION DISPOSED IN LATERALLY SPACED RELATIONSHIP WITH RESPECT TO SAID GUIDE MEANS; (D) A NOZZLE IN SAID PORTION OF THE CONDUIT POSITIONED TO DIRECT A JET OF WATER FROM SAID PORTION INTO SAID GUIDE MEANS; (E) MEANS FOR ORIENTATING SAID NOZZLE RELATIVE TO THE SURFACE OF A POOL BEING CLEANED IN A POSITION WHERE A JET OF WATER ISSUING THEREFROM PASSES IN CLOSE PROXIMITY AND SUBSTANTIALLY PARALLEL TO SAID SURFACE; AND WHEREIN THE APPARATUS IN CHARACTERIZED IN THAT, UPON THUS ORIENTATING SAID NOZZLE: (1) THE AREA BETWEEN SAID NOZZLE AND GUIDE MEANS IS UNENCLOSED BENEATH SAID JET TO ENABLE SAID JET TO WASH OVER SAID SURFACE AND ENTRAIN FOREIGN MATERIAL THEREFROM; AND, (2) THE AREA BETWEEN SAID NOZZLE AND GUIDE MEANS IS UNENCLOSED LATERALLY OF SAID JET SUFFICIENTLY TO PERMIT THE FREE FLOW OF WATER CONTAINED IN THE POOL TO AND FROM SAID AREA; AND FURTHER COMPRISING, (F) A LONGITUDINALLY EXTENSIVE HANDLE SECURED TO SAID RECEIVER IN A PLANE SUBSTANTIALLY NORMAL TO THE PATH DEFINED BY A JET OF WATER ISSUING FROM SAID NOZZLE TO PROVIDE FOR TRAVERSING OF SAID RECEIVER OVER THE SURFACE OF A POOL BEING CLEANED IN A DIRECTION NORMAL TO SAID PATH, AND; (G) MEANS TO SELECTIVELY VARY THE DEGREE TO WHICH THE AREA BETWEEN SAID NOZZLE AND GUIDE MEANS IS LATERALLY UNENCLOSED.

Claim 2

AN APPARATUS FOR CLEANING FOREIGN MATERIAL FROM SUBMERGED SWIMMING POOL SURFACES, SAID APPARATUS BEING ADAPTED FOR USE IN COMBINATION WITH A RECEPTACLE HAVING AN OPEN INLET PORTION AND A FLUID DISCHARGE PORTION, SAID APPARATUS COMPRISING: (A) A RECEIVER ADAPTED TO BE SECURED TO THE OPEN INLET PORTION OF A RECEPTACLE USED IN COMBINATION THEREWITH; (B) GUIDE MEANS SECURED TO SAID RECEIVER, SAID GUIDE MEANS BEING ADAPTED TO GUIDE FLUID DIRECTED THEREINTO THROUGH THE OPEN INLET PORTION OF A RECEPTACLE SECURED TO SAID RECEIVER; (C) A WATER CONVEYING CONDUIT HAVING A PORTION DISPOSED IN LATERALLY SPACED RELATIONSHIP WITH RESPECT TO SAID GUIDE MEANS; (D) A NOZZLE IN SAID PORTION OF THE CONDUIT POSITIONED TO DIRECT A JET OF WATER FROM SAID PORTION INTO SAID GUIDE MEANS; (E) MEANS FOR ORIENTATING SAID NOZZLE RELATIVE TO THE SURFACE OF A POOL BEING CLEANED IN A POSITION WHERE A JET OF WATER ISSUING THEREFROM PASSES IN CLOSE PROXIMITY AND SUBSTANTIALLY PARALLEL TO SAID SURFACE; AND WHEREIN THE APPARATUS IN CHARACTERIZED IN THAT, UPON THUS ORIENTATING SAID NOZZLE: (1) THE AREA BETWEEN SAID NOZZLE AND GUIDE MEANS IS UNENCLOSED BENEATH SAID JET TO ENABLE SAID JET TO WASH OVER SAID SURFACE AND ENTRAIN FOREIGN MATERIAL THEREFROM; AND, (2) THE AREA BETWEEN SAID NOZZLE AND GUIDE MEANS IS UNENCLOSED LATERALLY OF SAID JET SUFFICIENTLY TO PERMIT THE FREE FLOW OF WATER CONTAINED IN THE POOL TO AND FROM SAID AREA; AND FURTHER COMPRISING, (F) A LONGITUDINALLY EXTENSIVE HANDLE SECURED TO SAID RECEIVER IN A PLANE SUBSTANTIALLY NORMAL TO THE PATH DEFINED BY A JET OF WATER ISSUING FROM SAID NOZZLE TO PROVIDE FOR TRAVERSING OF SAID RECEIVER OVER THE SURFACE OF A POOL BEING CLEANED IN A DIRECTION NORMAL TO SAID PATH, AND; (G) MEANS TO SELECTIVELY VARY THE DEGREE TO WHICH THE AREA BETWEEN SAID NOZZLE AND GUIDE MEANS IS LATERALLY UNENCLOSED.