Importance

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Abstract

An invertible/reversible tool for use in a rotary food processing appliance is provided for performing predetermined processing operations in a first position and other predetermined operations in a second upside down position in a working bowl, which bowl contains a drive shaft for rotating the tool about a vertical axis in the bowl. The tool has an elongated hub with first and second sockets positioned on opposite ends adapted to engage the drive shaft for rotating the elongated hub in different directions depending on which socket is engaging the drive. Raised ridge keyways extending vertically for at least more than half the length of the elongated hub are provided to provide a positive driving relationship between the elongated hub and an encircling blade hub which carries reversible blades extending outwardly relative to the axis of rotation from opposite sides of the blade hub. This blade hub is slidable axially along the elongated hub so that the blade hub will freely slide down to the lower end of the elongated hub when the latter hub is inverted. The blades have first and second edges of differing characteristics which move in the same direction for performing first food processing operations and in a second direction for performing second food processing operations when the tool is turned upside down and coupled to the motor drive.

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First Claim