Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1995-06-05
1998-10-06
Moore, Chris K.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
15331, 15377, 15410, A47L 932
Patent
active
058158839
ABSTRACT:
The problem with suction lines on vacuum cleaners is that the connected vacuum hose must be lifted during when the suction pipe is rotated. To eliminate this problem, the invention teaches that an elbow is interposed between the suction pipe and the suction hose which is mounted by means of a rotating knuckle, as a result of which the suction hose can be adjusted as required, and the suction pipe can be ergonomically manipulated by means of an angled gripping area of the handle.
REFERENCES:
patent: 4915640 (1990-04-01), Hayden
patent: 4955106 (1990-09-01), Stein et al.
patent: 4980945 (1991-01-01), Bewley
patent: 5054157 (1991-10-01), Werner et al.
patent: 5343590 (1994-09-01), Radabaugh
Kaulig Heinz
Stein Klaus
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