Impeller module of snow drop water ball

Details Impeller module of snow drop water ball Impeller module of snow drop water ball

2005-05-24

2005-05-24

Davis, Cassandra (Department: 3611)

Card, picture, or sign exhibiting

Display device with free article movement

Snowfall simulator

C040S426000, C040S406000

Reexamination Certificate

active

06895703

ABSTRACT:
An impeller module of snow drop water ball includes an magnet driven impeller module attached on the anti-leak rubber plug for propelling the snow drops and turning the decoration in a glass dome. The magnet driven impeller module has a blade ring which is magnetically couple with a magnetic rotor, and drive by the magnetic rotor from outside of the snow drop ball. Using the impeller module embodiment of the present invention, the anti-leak rubber plug shall no longer in need of forming a shaft hole, so as can structurally solve the long-suffering liquid leakage problem of the snow drop water ball and prolonging its service life.

REFERENCES:
patent: 5743780 (1998-04-01), Liu
patent: 5864976 (1999-02-01), Yang
patent: 6588130 (2003-07-01), Yang

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