Amusement devices: toys – Operated by relatively moving fluid or pressure differential – Including variable-size fluid chamber to move fluid
Patent
1991-06-14
1993-05-25
Hafer, Robert A.
Amusement devices: toys
Operated by relatively moving fluid or pressure differential
Including variable-size fluid chamber to move fluid
446159, 446267, 40406, 40410, A63H 3340, A63H 2300, A63H 352, G09F 1900
Patent
active
052135403
ABSTRACT:
An aquatic toy includes a tank containing liquid. The tank includes a bottom part having an upper perforated plate member, a lower guide plate member connected to the upper perforated plate member, and a space formed between the upper perforated plate member and the lower guide plate member. A floatable toy floats on the liquid in the tank. A base is attached to the bottom part of the tank. A liquid propelling unit is provided in the bottom part of the tank which forces the liquid upwards from the space through the upper perforated plate member when it is actuated. A motor is mounted in the base and connected to the liquid propelling unit, actuating the liquid propelling unit.
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patent: 4817311 (1989-04-01), Ong
patent: 4923429 (1990-05-01), Lewis
patent: 5018288 (1991-05-01), Yang
patent: 5131175 (1992-07-01), Liu
U. K. Search Report No. 9113145.8.
Hafer Robert A.
Muir D. Neal
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