Cleaning spray nozzle

Details Cleaning spray nozzle Cleaning spray nozzle

2005-10-06

2010-10-26

Tran, Len (Department: 3752)

Fluid sprinkling, spraying, and diffusing

Including supply holder for material

To be mixed, dissolved or entrained in a flowing liquid...

C239S315000, C239S318000, C239S526000, C239S588000, C239S375000

Reexamination Certificate

active

07819340

ABSTRACT:
A spray nozzle (10) has a nozzle body (20) with an inlet (24) and an outlet (26). The inlet (24) is attachable to a hose (2). The outlet (26) is configured to receive a chemically-containing cartridge (70). A forwardly-disposed trigger (30) is finger-actuated and operates the valve (52) of a first valve assembly (50) to control water flow through the nozzle (10). An inlet conduit (56) connects the first valve assembly (50) to a second valve assembly (60). The second valve assembly (60) is thumb-actuated by a toggle (40) to pass water through the nozzle (10) as clean water supplied to the nozzle (10) via the hose (2) or through the nozzle (10) as chemical-added water that is created by a venturi-induced assembly (80) contained within the cartridge (70).

REFERENCES:
patent: 3554450 (1971-01-01), D'Muhala
patent: 4558823 (1985-12-01), Groth
patent: 5881955 (1999-03-01), Styne
patent: 6708901 (2004-03-01), Hubmann et al.
patent: 7124962 (2006-10-01), Fryan et al.
patent: 7156324 (2007-01-01), Birrenkott et al.
patent: 7188787 (2007-03-01), Cannon et al.
patent: 7410105 (2008-08-01), Horstman et al.
patent: 7490783 (2009-02-01), Mueller et al.

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