Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1977-03-28
1979-09-18
Moore, Christopher K.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
15353, A47L 700
Patent
active
041678001
ABSTRACT:
Convertible wet and dry vacuum extraction system, in which compartments are provided in the interior of a vacuum housing that has a substantially air-tight exterior wall provided with a closable access opening communicating with one compartment as well as a housing inlet extending through the wall for outward flow connection with an external dry vacuum hose and for inward flow connection with a removable dry vacuum recovery bag positionable in a compartment which also is in communication with the remainder of the interior of the housing where means are provided for creating a vacuum in the housing, and in which a substantially air-tight removable wet recovery vacuum tank is insertable through the closable access opening and receivable at least partially in the compartment to convert the assembly of the system from dry to wet vacuum extraction, the tank having an inlet for flow connection with an external wet vacuum hose leading to a wet vacuum extractor, a tank surface portion provided with a flow opening and positioned for substantially air-tight relation of the tank surface portion with the compartment surface, and an internal riser tube positioned in the tank and flow communicating the tank interior with the remainder of the housing interior, a protective riser tube filter and tank inlet deflector disposed to prevent wet ingredients from passing through the riser tube from the tank interior, and an associated cleansing liquid applicator provided in proximity to the wet vacuum extractor and flow-connectable with a delivery source of cleansing liquid and optionally having liquid flow control means and means for introducing cleansing agent into the liquid from the delivery source.
REFERENCES:
patent: 3055039 (1962-09-01), Smith
patent: 3180071 (1965-04-01), Nolte
patent: 3343199 (1967-09-01), Nolte
patent: 3584330 (1971-06-01), Wallin et al.
patent: 3828930 (1974-08-01), Cater
patent: 3840935 (1974-10-01), Fitzgerald et al.
patent: 3896521 (1975-07-01), Parise
patent: 3911524 (1975-10-01), Parise
March Arthur A.
Moore Christopher K.
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