Foam spray gun nozzle extension assembly

An extension assembly for a dispensing gun for dispensing polyurethane foam and comprising a housing, a nozzle assembly removably mounted on said housing and including first and second inlets for connection respectively to sources of first and second chemical components of a polyurethane foam, an outlet for dispensing a mixture of said components, valve means, and actuating means including a trigger on said housing for displacing said valve means to control the flow of the chemical components to and through said outlet, said extension assembly comprising a support member for mounting said nozzle assembly on said housing at a location spaced therefrom, and an actuating member between said actuating means and said nozzle assembly at said location for displacing said valve means to control the flow of the chemical components through said outlet at said location, said support member having a first end removably mountable on said housing and a second end on which said nozzle means is removably mountable, said support member including a tubular portion between said first and second ends thereof, and said actuating member extending through said tubular portion.

An extension assembly for a dispensing gun for dispensing polyurethane foam and comprising a housing, a nozzle assembly removably mounted on said housing and including first and second inlets for connection respectively to sources of first and second chemical components of a polyurethane foam, an outlet for dispensing a mixture of said components, valve means, and actuating means including a trigger on said housing for displacing said valve means to control the flow of the chemical components to and through said outlet, said extension assembly comprising a support member for mounting said nozzle assembly on said housing at a location spaced therefrom, and an actuating member between said actuating means and said nozzle assembly at said location for displacing said valve means to control the flow of the chemical components through said outlet at said location, said support member being rigid between said housing and said nozzle assembly, said actuating member including a rod supported for reciprocation in the direction between said housing and said nozzle assembly, said support member having first and second ends respectively at said housing and said nozzle assembly and including a tubular portion between said ends, and said rod extending through said tubular portion.