Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1993-04-28
1994-10-25
Moore, Chris K.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
15353, 154151, A47L 1120
Patent
active
053576497
ABSTRACT:
A nozzle for a carpet washer operated to travel on a carpet while supplying foam of a cleansing liquid onto a surface of a carpet under pressure of a pump and brushing the surface of the carpet by a washing brush, dirty water produced as a result of the brushing being drawn into a sewage tank through the nozzle, the improvement comprising an edge portion mounted on an inner surface of the nozzle in such a manner as to extend in a horizontal direction across the nozzle and to incline upwardly in a drawing direction of the dirty water.
REFERENCES:
patent: 2988459 (1961-06-01), Buelow et al.
patent: 3939527 (1976-02-01), Jones
patent: 4353145 (1982-10-01), Woodford
patent: 5241724 (1993-09-01), Lim
patent: 5263224 (1993-11-01), Lovelady
Hasegawa Shuuichi
Nozawa Kazushige
Takahashi Shinichiro
Amano Corporation
Moore Chris K.
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