发明名称 Pinch trigger pump water gun
摘要 The present invention is directed toward a toy water gun which is operated by selectively releasing water from a water reservoir that is pressurized with air. The present invention is a one piece device formed in the general shape of a gun that has a manually operated air pump incorporated into the design. The air pump pressurized a water reservoir and consequently pressurizes any water found therein. The pressurized water has an avenue of release that is regulated by the trigger mechanism of the invention. When no force is applied to the trigger, the pressurized water is held at bay with no means of release. When force is applied to the trigger, water is released from the pressurized container and is channeled through a narrow nozzle. The escape of the pressurized water through the narrow nozzle creates a stream of propelled water that lasts as long as the trigger is engaged or until the pressure of the water equals the ambient air.
申请公布号 US5074437(A) 申请公布日期 1991.12.24
申请号 US19900578145 申请日期 1990.09.06
申请人 D'ANDRADE, BRUCE M.;JOHNSON, LONNIE G. 发明人 D'ANDRADE, BRUCE M.;JOHNSON, LONNIE G.
分类号 A63H33/00;B05B9/04;B05B9/08;F41B9/00 主分类号 A63H33/00
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