Assembly for a vacuum cleaner having a sound-absorbing system

Details Assembly for a vacuum cleaner having a sound-absorbing system Assembly for a vacuum cleaner having a sound-absorbing system

1994-05-26

1995-12-05

Scherbel, David

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

154151, 181229, A47L 900

Patent

active

054717078

ABSTRACT:
A brush assembly for a vacuum cleaner comprises a brush section including a suction opening and a suction space; a neck including a large-diameter section, the front part of which is inserted in the brush section, a cylindrical small-diameter section connected and incorporated to the large-diameter section through a shoulder, and a sound-absorbing material included in the large-diameter section and having a predetermined thickness, so that a cylindrical path is formed therein, which is interconnected to the suction space of the brush section; and a connector pipe including an expansion-pipe section, the diameter of which is enlarged so that the small-diameter section of the neck is interposed to be fixed in the expansion-pipe section, a cylindrical path formed therein, which is interconnected to the cylindrical path of the neck. According to the brush assembly, the noise generated in the connection part between the brush section and the suction pipe of the vacuum cleaner is greatly reduced, and thereby the entire noise of the cleaner is reduced.

REFERENCES:
patent: Re21519 (1940-07-01), Norris
patent: 2223353 (1940-12-01), Demaree
patent: 2260237 (1941-10-01), Stahl
patent: 2330701 (1943-09-01), Gerber
patent: 2929462 (1960-03-01), Nowak
patent: 4015683 (1977-04-01), Williams
patent: 4961245 (1990-10-01), Barnes, Jr. et al.

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