Patent ID: 8147126
Filing Date: 2012-04-03
Classification: B01F,F16P

Abstract:
1. A covering structure of a mixer, the mixer having a head, comprising: a fixed ring, with an outer wall and a protruding ring, connected to the head of the mixer and surrounded by the protruding ring on the outer wall, the protruding ring having an upper surface; an upper ring, with an outer wall, an inner wall and an extended striding part formed from the inner wall, the extended striding part strides on the upper surface of the protruding ring, and the outer wall of the upper ring has at least two stopping parts, each stopping part having an upper surface and a concave part is formed between two stopping parts; and a lower ring, with a first end and a second end, the first end is formed with connecting parts, the connecting parts extending toward the center of the lower ring, the second end of the lower ring is connected downwardly with a covering element; wherein each connecting part of the lower ring is inserted to be assembled via a bottom part of the concave part of the upper ring to the top part of the concave part, the connecting parts urge against the upper surface of the stopping parts, and the upper ring and the lower ring combine to form a rotating ring that rotates along the protruding ring.