Patent ID: 9656227
Date: 2017-05-23
CPC Classifications: A47J,B01F

Claim:
1. A food preparation appliance comprising: a housing; a food blending chamber proximate the housing, the food blending chamber including an inner wall surface; a wiper assembly having a wiper blade that includes a tapered forward portion and a tapered rearward portion, wherein 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; a magnetic blade member operably coupled with the wiper blade and in magnetic communication with a magnetic drive member; and a motor disposed in the housing, the motor being operably coupled to the magnetic drive member such that activation of the motor causes the magnetic drive member and the magnetic blade member to rotate, resulting in rotation of the wiper blade, which removes food from the inner wall surface of the food blending chamber during rotation.