Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1995-06-29
1997-09-23
Scherbel, David
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
15337, A47L 1130
Patent
active
056690983
ABSTRACT:
A floor cleaning machine having an additional nozzle which is slidably insertable with respect to the machine's dirty liquid suction duct to thereby by-pass the dirty liquid suction duct to provide suction to a suction conduit associated with the additional nozzle and to simultaneously provide a source of cleansing liquid through a valve to the additional nozzle.
REFERENCES:
patent: 4167798 (1979-09-01), Klugl et al.
patent: 4563790 (1986-01-01), Clark
patent: 4809397 (1989-03-01), Jacobs et al.
patent: 4893375 (1990-01-01), Girman et al.
patent: 5400462 (1995-03-01), Amoretti
patent: 5493752 (1996-02-01), Crouser et al.
Scherbel David
Till Terrence
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