Dispensing – Simulations – Firearms
Patent
1994-01-31
1995-08-08
Kashnikow, Andres
Dispensing
Simulations
Firearms
222255, 222275, 222278, 222379, A63H 318
Patent
active
054391393
ABSTRACT:
A toy water gun comprises an elongated housing, a water reservoir attached to the housing, and two water pumps received in the housing. Each water pump includes a cylinder having a first end and a second end, a piston movable along the cylinder in sealing relation to the cylinder walls, and a piston rod coupled to the piston and extending out of the first end of the cylinder. An intake conduit for each water pump leads from the water reservoir to the second end of the cylinder and has a one-way intake valve that permits water to be drawn into the cylinder on an intake stroke of the piston. A discharge conduit for each water pump leads from the second end of the cylinder and includes a one-way discharge valve that permits water to be discharged from the cylinder on a delivery stroke of the piston. A nozzle is connected to each discharge conduit. An operating handle is received on the housing for movement relative to the pump cylinders and is coupled to the piston rods of both water pumps so as to simultaneously move the piston of one water pump along its delivery stroke and the piston of the other water pump along its intake stroke when moved in one direction and simultaneously move the piston of one water pump along its intake stroke and the piston of the other water pump along its delivery stroke when moved in another direction.
REFERENCES:
patent: 869246 (1907-10-01), Jones
patent: 1733635 (1929-10-01), Stork
patent: 4436230 (1984-03-01), Hofmann
patent: 5029732 (1991-07-01), Wong
patent: 5184755 (1993-02-01), Brovelli
patent: 5316183 (1994-05-01), Brovelli et al.
Douglas Lisa
Kashnikow Andres
Lanard Toys Limited
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