Brushing – scrubbing – and general cleaning – Submerged cleaners with ambient flow guides
Reexamination Certificate
2006-07-25
2006-07-25
Corcoran, Gladys J. P. (Department: 1744)
Brushing, scrubbing, and general cleaning
Submerged cleaners with ambient flow guides
C137S624140
Reexamination Certificate
active
07080424
ABSTRACT:
The invention concerns a swimming pool cleaner utilizing the induced flow to a filter plant pump to cause interrupted movement while cleaning the surface over which it operates. The cleaner incorporates a valve with a hollow domed perforated closure member operating in a body with the valve mounted on a stem carrying a rolling diaphragm or a piston subjected intermittently and automatically to the pressure induced by the filter plant pump.
REFERENCES:
patent: 2853270 (1958-09-01), Boteler
patent: 4671490 (1987-06-01), Kolenc et al.
patent: 5384928 (1995-01-01), Khoury
patent: 5655246 (1997-08-01), Chang
patent: 5737791 (1998-04-01), Durigon
patent: 0745744A-1 (1996-12-01), None
patent: 2182551 (1987-05-01), None
Kallenbach Dieter H F
Stahle Manfred
Corcoran Gladys J. P.
Corrupipe CC
Guidotti Laura C
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