Patent ID: 7314307

Claim:
An automatic motor-driven blender cup with a leakage-free stirring apparatus comprising: a blender cup including an internal chamber formed upward with opening on the top side and a handle disposed on the peripheral surface together with a push button; an internal chamber having a hollow container and a miniature bearing notch indented in the center of the inside bottom with some upstanding clasps arranged for jutted around said bearing notch of said internal chamber; a mounting frame having a opening downward cannular frame with flange at the bottom rim such that being securely buckled by all said upstanding clasps on said internal chamber; a stirring shaft is formed with a cone-shaped front tip downward and a rear pin end pivoted in the top center of said mounting frame as well as a pair of horizontal stirring propellers, which being made of metal in good magnetic induction, is near the front shaft tip against the base wall of said internal chamber; a magnetic disk is horizontally fixed on said output shaft of a motor with central axial line in alignment with that of said stirring shaft, and having some distance against the inner wall of the base portion of said internal chamber; on each blade of said magnetic disk, a magnetic element is inset in correspondence with said stirring propeller of said stirring shaft; and said motor and dry battery are disposed inside at the bottommost of said blender cup.