Multi-function head for high-pressure water gun, in...

Details Multi-function head for high-pressure water gun, in... Multi-function head for high-pressure water gun, in...

2007-02-13

2007-02-13

Scherbel, David A. (Department: 3752)

Fluid sprinkling, spraying, and diffusing

Distributor continuously moves relative to support during...

Reaction-type nozzle motive means

C239S569000, C239S457000, C239S581100, C239S477000, C239S501000, C239S240000, C239S463000

Reexamination Certificate

active

10910610

ABSTRACT:
The high-pressure multi-function head especially for water-cleaning machines comprises a first main body which exhibits a conduit for a washing liquid, extending along a longitudinal axis from an inlet to an outlet and a portion having a narrowed transversal section; a nozzle housed in the conduit; an auxiliary body inserted in the conduit and constituting a frustoconical seating for a front end of the nozzle; means for conveying the washing liquid interpositioned between the inlet and the portion having a narrowed transversal section and forming upstream of the nozzle at least one oblique jet with respect to the longitudinal axis in order to give the nozzle a rotating and conical motion with a vertex in the frustoconical seating; and means for regulating a trim of the head for translating the auxiliary body and the nozzle along the longitudinal axis between a retracted first operating position for obtaining a high-pressure rotating jet, an intermediate second operating position, for obtaining a high-pressure fixed jet, and an advanced third operating position, for obtaining a low-pressure fixed jet.

REFERENCES:
patent: 2582262 (1952-01-01), Otto et al.
patent: 2662669 (1953-12-01), Schmidt
patent: 5240183 (1993-08-01), Bedaw et al.
patent: 5551635 (1996-09-01), Jager
patent: 6129293 (2000-10-01), Jager
patent: 6755358 (2004-06-01), Jaeger
patent: 0 548 408 (1993-06-01), None
patent: 1 000 665 (2000-05-01), None

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