Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1997-03-17
1998-06-16
Moore, Chris K.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
15396, 15398, A47L 906
Patent
active
057652597
ABSTRACT:
A vacuum nozzle has an elongate, tubular handle with an open end for connection to a vacuum cleaner hose, and has a hollow, generally rectangular head connected to the handle's opposite end. The head defines a transversely extending blade passage of generally rectangular cross-section through which portions of a ceiling fan blade can be inserted for cleaning. Extending perimetrically about the blade passage are head portions that include parallel top and bottom bars that have overlying left and right ends connected by left and right end structures, all of which are hollow and communicate to define a generally rectangular vacuum chamber that communicates with the hollow interior of the tubular handle. The top and bottom bars and the left and right end structures respectively carry top, bottom, left and right bristles that project into the blade passage at spaced locations near opposite ends of the blade passage. Discrete openings communicate the blade passage with the vacuum chamber for ducting dust from top, bottom, left and right blade surfaces into top, bottom, left and right portions of the vacuum chamber, with the number, size and positions of these openings being selected to ensure that the vacuuming action of the nozzle is maximized where dust tends most to collect, namely along top and edge surfaces of a blade.
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Burge David A.
Moore Chris K.
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