Patent ID: 7318375

Claim:
A food stirrer comprising: a seat having a board, an upper tube extending upwards from the board, a lower tube extending downwards from the board and in communication with the upper tube; a driving axle extending through the lower tube and upper tube and having an annular recess defined at a middle portion of the driving axle, a coned portion formed under the annular recess, a seal provided outside the driving axle, a stopping ring with a coned inner wall formed in the seal and corresponding to the coned portion; a bushing with a polygonal cross section extending out from the upper tube, and the driving axle extending out from a top end of the bushing; an upper sleeve provided between the upper tube and the driving axle; a middle sleeve provided beneath the upper sleeve; a spring provided in the middle sleeve with a tendency to push the upper sleeve upwards; a first one-way ratchet wheel mounted at a bottom end of the driving axle; a gear assembly mounted on a bottom end of the driving axle and having a second one-way ratchet wheel engaged with the first one-way ratchet wheel; and a container provided on the board, the container having a cover, a pole formed on the cover for pushing the driving axle downwards, and a cutting tool provided outside the bushing and formed with multiple blades.