Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1979-08-15
1981-01-27
Moore, Christopher K.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
55215, 55216, A47L 910
Patent
active
042466768
ABSTRACT:
An air and liquid tight liquid collecting container includes a cover which may be sealed to the top of the container. The cover includes an inlet port adapted to be connected to a hose which in turn carries a nozzle at the end thereof for picking up liquids. The cover also includes a vacuum port which is adapted to be connected to a standard vacuum cleaner. Associated with the vacuum port is a liquid level sensing device which opens the vacuum port to the atmosphere when the liquid rises to a predetermined level thereby preventing the liquid from entering the vacuum line. A pump, suspended from the cover into the container, pumps the liquid collected in the container to some external desired location.
REFERENCES:
patent: 1982345 (1934-11-01), Kirby
patent: 2889846 (1959-06-01), Glasby et al.
patent: 3029463 (1962-04-01), Bishop
patent: 3896520 (1975-07-01), Williams
patent: 4041569 (1977-08-01), Petersen
patent: 4080104 (1978-03-01), Brown
Hallsworth Alexander
Hallsworth Gary
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