Fitting assembly for suction washing machines for cleaning floor

Details Fitting assembly for suction washing machines for cleaning floor Fitting assembly for suction washing machines for cleaning floor

1996-01-24

1998-02-10

Nicholson, Eric K.

Pipe joints or couplings

Vacuum cleaner type

285402, 2851241, 15321, A47C 700

Patent

active

057160767

ABSTRACT:
The present invention relates to a fitting assembly for suction-washing machines, for cleaning floors, moquettes, carpets and the like. The fitting assembly comprises at least two tubular lengths, which are mutually removably coaxially associated with one another, each of which is provided with a body in which are provided a suction duct and a delivery duct which are parallel to one another.
One of the tubular length is provided with a tapering end portions, which can be introduced into an end portion of the other tubular length; at one end portion of the delivery duct of a tubular length are provided connecting means, which can be removably tightly engaged with the end portion of the delivery duct of the other tubular length as the two tubular lengths are connected; the fitting assembly comprising, moreover, an end connecting element which can be coupled to end fittings having different diameter inlets.

REFERENCES:
patent: 3962745 (1976-06-01), Collier
patent: 4083077 (1978-04-01), Knight et al.
patent: 4753268 (1988-06-01), Palav
patent: 4900065 (1990-02-01), Nouck
patent: 4982736 (1991-01-01), Schneider
patent: 5022461 (1991-06-01), Potier et al.
patent: 5459901 (1995-10-01), Blase et al.
patent: 5555597 (1996-09-01), Berfield
patent: 5561884 (1996-10-01), Nijland et al.
patent: 5613271 (1997-03-01), Thomas

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