Tornado novelty device

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Details

40408, A63J 3342, A63J 500

Patent

active

042589126

ABSTRACT:
A novelty device for producing a liquid vortex which simulates a tornado in a transparent circular-shaped chamber which is mounted on top of a housing and filled with a liquid. A flexible bag is mounted within the housing and is divided into upper and lower liquid storage chambers which are connected by a one-way check valve that permits liquid to flow only from the lower chamber into the upper chamber. A fluid passage extends between the upper chamber and the vortex chamber and enters the vortex chamber through a discharge opening in a tangential direction along the outer periphery of the base of the vortex chamber. A drain opening is formed in the base of the vortex chamber and is connected to the lower chamber by a drain passage. A spring-actuated lever is mounted within the housing and engages the upper storage chamber to collapse the chamber and pump the liquid into the vortex chamber to produce the vortex. When the device is at rest in an upright position, the lower chamber of the bag and the vortex chamber are filled with liquid. To actuate the device, it is turned upside down and vigorously shaken. This causes the liquid to flow from the lower chamber into the upper chamber, which expands the upper chamber cocking the lever. Immediately upon righting the device, the spring forces the lever against the upper chamber which collapses the upper chamber forcing the liquid therein into the vortex chamber creating a tornado-like vortex turbulence in the chamber above the drain opening.

REFERENCES:
patent: Re23612 (1953-01-01), Abel
patent: 1782944 (1930-11-01), Stanford et al.
patent: 1796566 (1931-03-01), Herbst
patent: 2032192 (1936-02-01), Wheeler, Jr.
patent: 2589757 (1952-03-01), Williams
patent: 3372873 (1968-03-01), Weiss et al.
patent: 3589044 (1971-06-01), Morrison et al.
patent: 3695607 (1972-10-01), Stouffer

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