Handling: hand and hoist-line implements – Hand bars and hand barrows – Ball retriever
Patent
1982-08-09
1984-02-28
Marbert, James B.
Handling: hand and hoist-line implements
Hand bars and hand barrows
Ball retriever
294 64R, A47F 1306
Patent
active
044338635
ABSTRACT:
In swimming pools the pop-up cleaning nozzles threaded into walls in the pool bottom are removable by a rotatable tool that has a body with axially extending lugs which project into corresponding openings in the nozzle head. A vacuum cup centrally of and recessed into the body attaches to the nozzle head for removing or replacing it.
REFERENCES:
patent: 4148234 (1979-04-01), Steimle
patent: 4218085 (1980-04-01), Unger
Marbert James B.
Mathews Lester R.
Ptak LaValle D.
Warner Lucien
Water Circulation Patents
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