초록

A fluid dispenser, preferably a pistol grip type hose nozzle, affords no flow, solid misty cone spray and solid jet spray capabilities and contains a fluid flow rate control feature for instantaneous adjustment of the rate of fluid flow through the dispenser.

대표청구항 ▼

A fluid dispenser having capabilities for no flow and first and second spray shapes comprising: (A) a dispenser body defining a fluid inlet, a fluid outlet, and an internal passage for a fluid stream, said passage being in fluid communication with said inlet and outlet and defining a wide chamber, a

A fluid dispenser having capabilities for no flow and first and second spray shapes comprising: (A) a dispenser body defining a fluid inlet, a fluid outlet, and an internal passage for a fluid stream, said passage being in fluid communication with said inlet and outlet and defining a wide chamber, a narrow chamber and a valve seat, said valve seat being disposed intermediate said wide and narrow chambers and tapering from the diameter of said wide chamber to the diameter of said narrow chamber; (B) a piston having spray shaping means and valve body means, said piston being movable among no flow and first and second solid spray shape positions, (1) in said no flow position said valve body means engaging said valve seat to block flow through said passage and said spray shaping means being in said narrow chamber; (2) in said first spray shape position said valve body means being spaced from said valve seat and said spray shaping means being disposed in said narrow chamber; and (3) in said second spray shape position said valve body means being spaced from said valve seat and said spray shaping means being disposed in said wide chamber; and (C) means operatively connected to said piston for moving said piston among said positions.