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A high pressure water gun for washing electrical insulators and other related articles, which gun has a barrel, a water inlet, a water outlet (nozzle), a pistol grip and a main body portion, which portion communicates with both the inlet and with a lower valve chamber separated from an upper piston

A high pressure water gun for washing electrical insulators and other related articles, which gun has a barrel, a water inlet, a water outlet (nozzle), a pistol grip and a main body portion, which portion communicates with both the inlet and with a lower valve chamber separated from an upper piston chamber. A piston is vertically slidably mounted in the upper chamber. A check valve is slidably mounted horizontally in the lower chamber and is spring biased, when the gun is in the inoperative position. A port extends between the lower chamber and communicates with the upper chamber. Another port in the lower chamber communicates with the barrel. Water introduced into the inlet follows a dual path and ejects out of the nozzle with relatively little pull required on the trigger.

대표청구항 ▼

[ I claim:] [10.] A water gun for the delivery of water under high pressure which gun comprises a lower portion coupled to a main body portion and an outlet barrel portion removably secured thereto extending away from the main body portion and fluidly coupled thereto;the main body portion of which c

[ I claim:] [10.] A water gun for the delivery of water under high pressure which gun comprises a lower portion coupled to a main body portion and an outlet barrel portion removably secured thereto extending away from the main body portion and fluidly coupled thereto;the main body portion of which comprises an upper valve housing being coupled to a lower valve housing;said main body portion having a water inlet leading into an inner chamber of said upper valve housing;a water outlet leading out of said upper valve housing and which outlet is the exit ain port;said inner chamber having a top opening in fluid communication with said water outlet;a spring biased piston disposed within said inner chamber, said piston having an angularly disposed pressure vent,a trigger actuated spool comprising a movable ball bearing disposed within a check cartridge located within the lower portion;a secondary pilot port fluidly communicating between said exit main port and said check cartridge;a pressure vent in fluid communication with said inlet, and in communication with said main exit outlet, when the spring biasing the piston is tensed;a primary pilot port in communication between the inner chamber and said check cartridge,and a trigger pivotally mounted on said gun for actuating said spool; reby the spring biased piston which normally closes off fluid communication from said inner chamber to said exit main port is moved downwardly and away from said top opening when said spool is trigger actuated.