A - Human Necessities – 47 – L
Patent
A - Human Necessities
47
L
A47L 9/02 (2006.01) A47L 7/00 (2006.01) A47L 9/06 (2006.01)
Patent
CA 2365574
A vacuum nozzle attachment having a housing comprising a venturi-shaped internal air chamber, an angled head and brush-lined aperture, blade guides and an offset tapered tubular neck for attachment to a vacuum hose or wand. The constricted air chamber provides enhanced suction due to an increase in velocity of air as it passes the tapered constriction in the air chamber. The angled head and aperture and shaped guides ensure correct alignment of the fan blade with the aperture. The offset tubular neck and transparent guides provide an unobstructed view of the nozzle and fan blades during the cleaning process.
Goodwin Mckay
Lacroix John
LandOfFree
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