Suction pipe for a vacuum cleaner

Details Suction pipe for a vacuum cleaner Suction pipe for a vacuum cleaner

1990-05-17

1991-08-27

Moore, Chris K.

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

181224, A47L 900

Patent

active

050421085

ABSTRACT:
A suction pipe for a vacuum cleaner is disclosed. The suction pipe comprises a hollow cylindrical body which is provided with sound-absorbing holes on a ceiling portion thereof, the ceiling portion extending in the air-inducing direction. A cover is attached to the outer surface of the cylindrical body so as to cover the ceiling portion thereof. A sound-absorbing material is placed between the ceiling portion and the cover, so that noise caused by the air sucked into the suction pipe is directed through the sound-absorbing holes of the ceiling portion and absorbed by the sound-absorbing material.

REFERENCES:
patent: 2125850 (1938-08-01), Norris
patent: 2188428 (1940-01-01), Evans
patent: 3308608 (1967-03-01), Brimberg
patent: 3511336 (1970-05-01), Rink et al.
patent: 4091892 (1978-05-01), Hehmann et al.

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