Patent ID: 6523994
Filing Date: 2003-02-25
Classification: A47J,Y10S

Abstract:
A food mixer comprising:(a) a container having a bottom end and an open top end; (b) a drive means adjacent the bottom end; (c) a rotatable impeller vertically positioned within the container and including a first end engaging the drive means, a second end extending toward the container top end, and a helical thread extending from the first end to the second end on an outer surface of the impeller; and (d) a spring mounted mixing device positioned on the impeller and adapted to move vertically toward said second end to lift over obstacles while rotating with the impeller, wherein the drive means is adapted to rotate the impeller in both a first direction and a second direction opposite the first direction, and further wherein food placed within the container is lifted away from the mixing device when the impeller is rotated in the first direction and is directed toward the mixing device when the impeller is rotated in the second direction.