Handle arrangement on a suction hose

Details Handle arrangement on a suction hose Handle arrangement on a suction hose

2009-02-10

2010-10-05

Nguyen, Dung Van (Department: 3723)

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

C015S143100, C015S344000

Reexamination Certificate

active

07805806

ABSTRACT:
A handle arrangement on a suction hose equipped for spray extraction has a bushing non-rotatably attached to one end of the hose, and is inserted in a handle tube and axially fixed therein such that it can rotate in the tube. An elastic liquid line is guided outwards from the hose and the inner bushing in a radial direction through a wall opening of the handle tube and into the cavity of a handle part. The handle part is firmly connected at both ends to the handle tube. The liquid line is fixed so as to form a length reserve loop in the cavity. A receiving space is provided on the inner bushing, into which the liquid line from the length reserve loop is shifted when relative rotations take place between the hose and the handle tube.

REFERENCES:
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patent: 5400462 (1995-03-01), Amoretti
patent: 5459901 (1995-10-01), Blase et al.
patent: 6015298 (2000-01-01), Linhart
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patent: 6392150 (2002-05-01), Linhart
patent: 6722904 (2004-04-01), Linhart
patent: 6733315 (2004-05-01), Linhart
patent: 2009/0031526 (2009-02-01), Linhart et al.
patent: 692 31 070 T 2 (2000-09-01), None
patent: 2 291 795 (1996-02-01), None
patent: WO 2004/073478 (2004-09-01), None

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