Suction nozzle with rotary brush for vacuum cleaner

Details Suction nozzle with rotary brush for vacuum cleaner Suction nozzle with rotary brush for vacuum cleaner

1991-02-28

1992-04-07

Moore, Chris K.

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

15401, 15420, A47L 536

Patent

active

051015340

ABSTRACT:
A front side flexible member is provided along the vicinity of an opening front edge of a suction opening of a suction nozzle main body and has a plurality of opening grooves. The flexible member is positioned at a dent wall of the suction nozzle main body. A suction guide wall is formed between the flexible member and the suction opening of the suction nozzle main body. The suction guide wall is positioned at a dent portion more than a bottom face of the suction nozzle main body. The large size solid dust at the corner portion is moved smoothly into the suction opening and the cleaning operation with the large size solid dust at the corner portion is carried out thoroughly.

REFERENCES:
patent: 2324111 (1943-07-01), Ross
patent: 2717409 (1955-09-01), Draudt
patent: 2846711 (1958-08-01), Brace
patent: 2930069 (1960-03-01), Kowalewski
patent: 3019462 (1962-02-01), Nash et al.
patent: 3950815 (1976-04-01), Fukuchi et al.
patent: 4204297 (1980-05-01), Yasunaga et al.
patent: 4416034 (1983-11-01), Ahlf et al.
patent: 4499628 (1985-02-01), Platt
patent: 4817233 (1989-04-01), Waldhauser

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