Nozzle assembly for a high-pressure cleaning device

Details Nozzle assembly for a high-pressure cleaning device Nozzle assembly for a high-pressure cleaning device

2008-04-22

2008-04-22

Shaver, Kevin (Department: 3752)

Fluid sprinkling, spraying, and diffusing

Selectively usable or variable diverse terminal outlets

Outlet formed between parts mounted for relative movement

C239S391000, C239S438000, C239S439000, C239S440000, C239S443000, C239S456000, C239S458000, C239S581200

Reexamination Certificate

active

11145511

ABSTRACT:
In order to achieve a particularly simple construction which is, in particular, easy to assemble in the case of a nozzle assembly for a high-pressure cleaning device with a low-pressure nozzle, a high-pressure nozzle arranged in it, a spray lance which bears a sealing pipe connection insertable into the high-pressure nozzle, a bypass surrounding the high-pressure nozzle and leading to the low-pressure nozzle and displacement elements which alter the distance between the sealing pipe connection and the high-pressure nozzle in such a manner that the sealing pipe connection abuts sealingly on the high-pressure nozzle in a high-pressure position and, as a result, interrupts the connection from the spray lance to the bypass whereas, in a low-pressure position, the sealing pipe connection is at a distance from the high-pressure nozzle and, as a result, releases the connection from the spray lance to the bypass, it is suggested that the spray lance bear a pot-shaped housing which surrounds the sealing pipe connection and in which the low-pressure nozzle and the high-pressure nozzle are mounted so as to be freely displaceable and sealed in relation to the inner wall of the housing and that the displacement elements displace the low-pressure nozzle and the high-pressure nozzle in the housing in its longitudinal direction towards the sealing pipe connection and away from it.

REFERENCES:
patent: 4095747 (1978-06-01), Anderson
patent: 4789104 (1988-12-01), Anderson
patent: 5242116 (1993-09-01), Ronezzi
patent: 6016975 (2000-01-01), Amaduzzi
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patent: 0 501 164 (1992-09-01), None
patent: 0 638 366 (1995-02-01), None
patent: 1 254 719 (2002-11-01), None

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