Firefighting nozzle with trigger operated slide valve

A firefighting nozzle comprising:

• an elongated barrel having an inlet opening at one end for engaging a source of fluid under pressure and an outlet opening at an opposite end for engaging a discharge element for dispensing the fluid under pressure, wherein the inlet opening defines an inlet axis and the outlet opening defines an outlet axis that is substantially parallel to the inlet axis;
• a valve arrangement disposed within said barrel between said inlet opening and said outlet opening, said valve arrangement configured to adjust the flow of fluid through the barrel and including a slide valve element slidably mounted within the barrel for reciprocating movement along the length of the barrel;
• and
• a trigger assembly detachably mountable on said barrel and including;
• a trigger housing defining a pistol grip oblique to said outlet axis and configured for manual grasping during operation of the firefighting nozzle;
• and
• a trigger pivotably mounted to said trigger housing;
• a linkage mechanism connected to said trigger;
• and
• an engagement between the linkage mechanism and said slide valve, said linkage mechanism and said engagement configured so that pivoting movement of said trigger causes reciprocation of said slide valve between said inlet opening and said outlet opening to control fluid flow from said inlet opening to said outlet opening.

A firefighting nozzle comprising:

• an elongated barrel having a inlet opening at one end for engaging a source of fluid under pressure and an outlet opening at an opposite end for engaging a discharge element for dispensing the fluid under pressure, wherein the inlet opening defines an inlet axis and the outlet opening defines an outlet axis that is substantially parallel to the inlet axis;
• a valve arrangement disposed within said barrel between said inlet opening and said outlet opening, said valve arrangement configured to adjust the flow of fluid through the barrel and including a slide valve element slidably mounted within the barrel for reciprocating movement along the length of the barrel;
• and
• at least two trigger assemblies selectably mountable on said barrel, each trigger assembly including;
• a trigger housing defining a pistol grip for manual grasping during operation of the firefighting nozzle;
• and
• a trigger pivotably mounted to said trigger housing;
• a linkage mechanism connected to said trigger;
• and
• an engagement between the linkage mechanism and said slide valve, whereby actuation of said trigger causes reciprocation of said slide valve to control fluid flow from said inlet opening to said outlet opening,
• wherein the linkage mechanism differs between the at least two trigger assemblies to provide a different range of reciprocation of the slide valve between trigger assemblies.