Importance

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Abstract

An improved safety interlock for a food processor of the type including a control system for preventing actuation of a powerful motor drive, so that the food processing tool does not rotate, unless two conditions have been met; namely, (1) a bowl is mounted in its operating position on the base housing, and (2) a cover is held securely in its operating position on the bowl. The improved safety interlock provided in one embodiment of the invention uses two permanent magnets. One magnet is associated with actuator means and the other magnet is associated with switch means which prevent operation of the motor unless actuated. These two magnets are oriented generally in vertical planes relative to the horizontal top deck of the base housing. Each magnet is divided or coded into respective polarity quadrants, said quadrants of each of these magnets being non-symmetrical with respect to mutually perpendicular axes. The two magnets are arranged so that the control for the motor drive of the food processor can only be magnetically actuated when both the bowl and the cover are mounted securely in their respective predetermined operating positions.

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First Claim