Brushing – scrubbing – and general cleaning – Submerged cleaners with ambient flow guides
Patent
1995-08-11
1997-06-03
Scherbel, David
Brushing, scrubbing, and general cleaning
Submerged cleaners with ambient flow guides
15404, 137521, 137527, 137849, E04H 320
Patent
active
056342292
ABSTRACT:
A swimming pool cleaner comprising an operating head providing two inlet openings and passages therethrough connecting to a single outlet is disclosed. The cleaner includes a valve to close intermittently in one passage and, optionally, a restriction valve in the other passage operable between greater and lesser degrees of restriction to enhance the smooth, consistent, and continual collection of dirt and debris from the pool surface.
REFERENCES:
patent: 586618 (1897-07-01), Noll
patent: 2956582 (1960-10-01), Pranter
patent: 4023227 (1977-05-01), Chauvier
patent: 4584733 (1986-04-01), Tietge
patent: 4769867 (1988-09-01), Stoltz
patent: 5033148 (1991-07-01), Chauvier
patent: 5033504 (1991-07-01), Kallenbach
patent: 5269913 (1993-12-01), Atkins
patent: 5337433 (1994-08-01), Gould
Chin Randall
Russell Dean W.
Scherbel David
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