Toy water gun utilizing an air pressure pump

Dispensing – Simulations – Firearms

Patent

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Details

222396, 222401, A63H 318

Patent

active

051847558

ABSTRACT:
A toy water gun has a pump/valve subassembly in which a flange plate is affixed to the outlet end of the cylinder member of an air pump. An integral tubular boss extends from the flange plate externally of the cylinder member outlet, the boss serving as the valve body of a discharge control valve. An annular gasket on the perimeter of the flange plate laterally outwardly of the cylinder member and the valve body forms a seal with the neck of a water reservoir, whereby the air pump outlet to the water reservoir and the inlet to the discharge valve communicate directly with the reservoir. A trigger operates the normally closed discharge control valve, and water under pressure is expelled from the reservoir through a discharge tube and nozzle when the trigger is pulled. A pressure-relief valve on the air pump prevents the pump from pressurizing the air pumped into the reservoir to a pressure above a predetermined value.

REFERENCES:
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patent: 2049194 (1936-07-01), Chapin et al.
patent: 2589977 (1952-03-01), Stelzer
patent: 3005495 (1961-10-01), Herberg
patent: 3578789 (1971-05-01), Ferri
patent: 4441629 (1984-04-01), Mackal
patent: 4591071 (1986-05-01), Johnson
patent: 4630757 (1986-12-01), Yano
patent: 4743030 (1988-05-01), Auer et al.
patent: 4757946 (1988-07-01), Johnson
patent: 5029732 (1991-07-01), Wong
patent: 5074437 (1991-12-01), D'Andrade et al.

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