Nozzle

Details Nozzle Nozzle

2007-02-13

2011-11-01

Muller, Bryan R (Department: 3727)

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

C015S401000

Reexamination Certificate

active

08046870

ABSTRACT:
A nozzle intended to be connected to a suction source, such as a vacuum cleaner/wet vacuum cleaner, whereby the nozzle includes at least one suction aperture which communicates with the suction source, and a gathering unit disposed close to each suction aperture, each gathering unit including a surface treatment element. Distinguishing features of the nozzle are that each gathering unit has a peripheral surface and a front surface which faces towards the running surface, the transition between the peripheral surface and the front surface is rounded, each gathering unit is provided with a scraper unit which is U-shaped in cross-section and constitutes a surface treatment element, and that the open side of the scraper unit is oriented along the front surface of the gathering unit.

REFERENCES:
patent: 2609555 (1952-09-01), Anderson
patent: 2999258 (1961-09-01), Berberian
patent: 3624668 (1971-11-01), Krause
patent: 3813726 (1974-06-01), Kowalewski
patent: 4692959 (1987-09-01), Monson
patent: 6643894 (2003-11-01), Dell
patent: 516943 (2002-03-01), None
International Search Report Dated May 11, 2007 in PCT/SE2007/000126.

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