Freestanding aquarium filter
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United States of America Patent
Stats
-
Jul 22, 1986
Grant Date -
N/A
app pub date -
Jun 10, 1983
filing date -
Jun 10, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An aquarium filter of the free standing, nesting type is provided with an improved magnetic coupling system to couple a drive motor to the impeller which pumps water through the filter. A ring-shaped magnet is secured to the motor shaft and a second magnet coupled to the impeller and carried within the filter housing is inserted into the space inside the first magnet. The magnets are maintained coplanar and the rotation of the motor is coupled to the pump impeller of the filter in a very efficient fashion.
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Family
International Classification(s)
Cited Art Landscape
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