Vacuum nozzle for carpeted stair treads and risers

Details Vacuum nozzle for carpeted stair treads and risers Vacuum nozzle for carpeted stair treads and risers

1981-04-03

1983-02-22

Moore, Chris K.

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

15416, A47L 906

Patent

active

043744460

ABSTRACT:
A suction nozzle is provided which is comprised of a one piece outer cylindrical body member of predetermined fixed dimensions provided with an internal movable sleeve for adapting the nozzle to effectively and more conveniently extract dirt from carpeted stair treads or riser without changing the dimensions of the nozzle.

REFERENCES:
patent: 1318881 (1919-10-01), Kelley
patent: 2606338 (1952-08-01), De Lorenzo
patent: 3358317 (1967-12-01), Woodruff
patent: 3936902 (1976-02-01), Shackleton et al.
patent: 4075733 (1978-02-01), Parise et al.
patent: 4332051 (1982-06-01), La Monte

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