Brushing – scrubbing – and general cleaning – Miscellaneous
Patent
1987-09-14
1988-05-10
Roberts, Edward L.
Brushing, scrubbing, and general cleaning
Miscellaneous
15160, 15236R, 15257R, E04H 320
Patent
active
047425920
ABSTRACT:
A hydrofoil attaches to a long-handled swimming pool brush pole at a fixed angle that forces the brush against the pool wall on a forward stroke. It pulls the brush away from the wall on a reverse stroke. Forces between hydrofoil and brush and pole are distributed by multiple pole clamps and contact of foil edge against the head of the brush.
REFERENCES:
patent: 2243576 (1941-05-01), Otto
patent: 3003168 (1961-10-01), Shouldice
patent: 3402413 (1968-09-01), Gibellina
patent: 4637087 (1987-01-01), Feinberg
Blum Alvin S.
Roberts Edward L.
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