Suction nozzle of vacuum cleaners

Details Suction nozzle of vacuum cleaners Suction nozzle of vacuum cleaners

1997-09-03

1999-06-01

Redding, David A.

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

15377, A47L 900

Patent

active

059078880

ABSTRACT:
A suction nozzle of a vacuum cleaner enables to reduce the noise produced by air friction and whirlpool in the suction flow route. A suction nozzle of a vacuum cleaner has a soft brush body provided with a front roller and a rear roller, thereby being moved by the front and rear roller, and formed the plurality of hole along a suction flow route. A brush cover is formed at an upper side of the soft brush body. A brush holder provided with a connection flow route connected with the suction flow route formed at the soft brush body through the brush cover. A noise absorbing material is formed at oppsite side of the suction flow route to closely adhere on the hole.

REFERENCES:
patent: Re21519 (1940-07-01), Norris
patent: 3204282 (1965-09-01), Groves et al.
patent: 3218783 (1965-11-01), Ripple
patent: 5517716 (1996-05-01), Park

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