Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1977-09-23
1979-09-18
Moore, Christopher K.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
15321, 15334, 15353, 55337, A47L 700, A47L 1134
Patent
active
041677986
ABSTRACT:
A cleaning apparatus for carpets, carpet bases, upholstery and the like has a blower for producing compressed air and suction air, a compressed air main pipe, a foam producing device connected to the main pipe and a nozzle for depositing the foam on the surface to be cleaned, a suction nozzle for drawing up the foam and dirt, a separator including a filter unit and a dirt chamber, a closable opening in the compressed air main pipe and an additional cleaning device having a supply hose and a connection piece for insertion into the closable opening.
REFERENCES:
patent: 1405399 (1922-02-01), Donaldson
patent: 2622254 (1952-12-01), Mendelson
patent: 2910720 (1959-11-01), Smith
patent: 2972769 (1961-02-01), Keating et al.
patent: 3148400 (1964-09-01), Worwag
patent: 3624861 (1971-12-01), Freiheit
patent: 3633240 (1972-01-01), Crenner et al.
patent: 3676889 (1972-07-01), Edlin
patent: 3877902 (1975-04-01), Eriksson et al.
Jahrling Klaus
Klugl Gerhard
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