Title: Scrubbing machine with water regeneration

Abstract: A scrubber is disclosed including an applicator for applying a cleaning solution, a rotary brush for working such solution on the soiled surface and a pick up section for removing the cleaning solution and suspended soilage from the surface being scrubbed. The scrubber includes a dirty solution chamber and a clean solution chamber. A separator is provided between such chambers to separate the dirty water into a sludge portion which is returned to the dirty water chamber and a clean solution portion which is fed into the second chamber.

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Inventors: Herpers, Ferdinand J. (Minnetonka, MN, US)
Kroll, Harley E. (Chaska, MN, US)
Carlson, Alfred D. (Minneapolis, MN, US)
Dodge, Paul D. (Apple Valley, MN, US)

Application Number: 916929
Filing Date: 1978-06-19
Publication_date: 1980-03-25
Assignee: Tennant Company (Minneapolis, MN)
Primary Class(es): 15/353 15/320
Other Classes:
US Patent Ref:

1736446	Nov, 1929	Keefer	15/320.
3402420	Sep, 1968	Schaeffer	15/320.
3447188	Jun, 1969	Maasberg	15/320.
3482694	Dec, 1969	Rice et al.	210/522.
3613889	Oct, 1971	Reed	210/522.
3640387	Feb, 1972	Conley et al.	210/521.
3753777	Aug, 1973	Thomsen et al.	15/320.
3902219	Sep, 1975	Jones	15/321.
3942214	Mar, 1976	Maasberg	15/320.
3996640	Dec, 1976	Blue et al.	15/320.
4134174	Jan, 1979	Flynn et al.	15/353.

Other Refs:
Primary Examiner: Moore, Christopher K.
Assistant Examiner:
Attorney: Friederichs; Norman P.