Vacuum hose assembly

Details Vacuum hose assembly Vacuum hose assembly

1994-07-11

1995-10-03

Moore, Christopher K.

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

15401, A47L 514

Patent

active

054541379

ABSTRACT:
A vacuum hose assembly comprising an elongate tube member having a first end spaced from a second end, with a rigid blade fixedly mounted to the elongate tube coaxially thereof projecting beyond the first end, with first and second conduits directing pressurized air from the first end towards the rigid blade to effect agitation of debris within an underlying carpet as the blade displaces piling and nap within the carpet for access to the pneumatic air from the conduits, and a suction source mounted to the elongate tube at the second end to direct vacuum throughout the tube and direct that debris through the tube for subsequent collection. A valve assembly is in operative communication with a pressure hose to direct selective pressurized air from the pressure hose to the first and second conduits.

REFERENCES:
patent: 2181487 (1939-11-01), Khuen-Kryk
patent: 2879530 (1959-03-01), Ego
patent: 3484890 (1969-12-01), Case
patent: 3694848 (1972-10-01), Alcala
patent: 3808631 (1974-05-01), Shibata et al.
patent: 3967341 (1976-07-01), Gavin
patent: 4947515 (1990-08-01), Ivarsson

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