Vacuum extraction cleaning machine

Details Vacuum extraction cleaning machine Vacuum extraction cleaning machine

1978-09-29

1980-03-25

Moore, Christopher K.

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

15321, 15322, 15339, 15352, 15353, 55432, A47L 538

Patent

active

041942620

ABSTRACT:
A vacuum extraction cleaning machine adapted for coin operated applications. The cleaning machine comprises a remote cleaning tool for spraying cleaning solution upon an area to be cleaned and for extracting dirty cleaning solution through vacuum suction. Means located within the machine and coupled to the cleaning tool deliver vacuum and cleaning solution thereto. Used or dirty cleaning solution extracted by the tool is recovered and temporarily stored within a vacuum tank. Structure associated with the vacuum tank will automatically drain same when vacuum ceases at the end of the machine cycle. Injector valve means are provided to mix cleaning chemical with incoming fresh water to yield the necessary cleaning solution, and means are provided for coupling the machine to an external pressurized water source to facilitate operation.

REFERENCES:
patent: 3173164 (1965-03-01), Congdon
patent: 3705437 (1972-12-01), Rukavina et al.
patent: 3780502 (1973-12-01), Dupre et al.
patent: 3828390 (1974-08-01), Cater
patent: 3910781 (1975-10-01), Bryant
patent: 4036346 (1977-07-01), Livingston

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