Patent attributes
A food blending appliance includes a housing with a motor therein. A food blending chamber having an inner wall surface is located proximate the housing. A wiper assembly is operably coupled to the motor and has a wiper blade that includes a tapered forward portion and a tapered rearward portion. The wiper blade includes an arced exterior surface that includes a radius of curvature that is substantially the same as a radius of curvature of the inner wall surface. The operable coupling between the motor and the wiper assembly can be accomplished by a magnetic drive member in the housing and a magnetic blade member in the wiper assembly. The operable coupling between the motor and the wiper assembly results in rotation of the wiper blade when the motor is activated, which removes food from the inner wall surface of the food blending chamber during rotation.