Amusement devices: toys – Operated by relatively moving fluid or pressure differential – Including variable-size fluid chamber to move fluid
Patent
1993-10-22
1994-10-11
Yu, Mickey
Amusement devices: toys
Operated by relatively moving fluid or pressure differential
Including variable-size fluid chamber to move fluid
273428, 434 11, 102368, 102498, 102482, 446473, 446475, A63H 3330, F42B 800, A63B 6500
Patent
active
053542258
ABSTRACT:
A housing is arranged to include a fluid chamber, with the fluid chamber arranged with a surrounding pneumatic chamber. A piston member is arranged for sliding displacement along the reservoir chamber upon removal of a release pin, such that upon the piston exposing pneumatic entry ports into the fluid chamber effects pressurization of fluid within the fluid chamber and expels such fluid in an array from the housing.
REFERENCES:
patent: 3492945 (1970-02-01), Filippi
patent: 3878639 (1975-04-01), Scheelar et al.
patent: 5018449 (1991-05-01), Eidson, II
Combs E. Michael
Yu Mickey
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