Wind-up pot stirrer having spring tension and gear train mechani

Details Wind-up pot stirrer having spring tension and gear train mechani Wind-up pot stirrer having spring tension and gear train mechani

1996-03-22

1998-06-16

Cooley, Charles E.

Agitating

Stirrer within stationary mixing chamber

Mounted in removable mixing chamber closure

366143, 99348, B01F 720, A47J 43044

Patent

active

057659478

ABSTRACT:
A wind-up pot stirrer, comprising, in combination, a lid. The lid is positionable over the upper edge of a pot with contents to be stirred. The lid has an upstanding annular wall with a central aperture centrally located in the lower surface of the lid. A lid cover has an imperforate upper wall and a downwardly extending cylindrical region with a cylindrical aperture extending downwardly through the central aperture of the lid to a region therebeneath. The cover has an exterior annular wall extending downwardly with a lower edge positionable against the upper surface of the lid. The cover is rotatable about a central axis with respect to the lid. An impeller has a vertical shaft positioned within the cylindrical aperture of the cover for rotation therein. The shaft has impeller blades at the lower extent thereof. The shaft and blades include a spring-biased gear train mechanism. The shaft has an upper end with a vertically disposed slot. A C-shaped corral extends upwardly from the upper surface of the lid with an opening facing the impeller located within the chamber and a rotatable shaft located within the corral.

REFERENCES:
patent: 270015 (1883-01-01), Carter
patent: 1421932 (1922-07-01), Foster
patent: 1742878 (1930-01-01), Rosenberg
patent: 1831499 (1931-11-01), Losee
patent: 2001036 (1935-05-01), Prince
patent: 2007361 (1935-07-01), Berger
patent: 2719703 (1955-10-01), Boakes
patent: 5013158 (1991-05-01), Tarlow
patent: 5201263 (1993-04-01), Teng
patent: 5271673 (1993-12-01), Bohnet et al.

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