| 主权项 |
1. Sieving box, for use in sieving machines where pluralities of products are classified by being sieved; having;
at least one sieve frame having edge profiles whereon a sieve is fixed; and at least one brush pan obtained by bending a bendable plate at a plurality of bending lines forming wall portions extending away from the brush movement surface, wherein the brush pan comprises a brush movement surface, characterized in that said sieving box comprises:
said brush pan which comprises at least one product passage opening, and at least one under-box pressing surface, extending in parallel to the brush mounting surface, obtained by bending the bendable plate from the bending line and from at least one bottom rim bending line,at least one support frame
assembled on said brush pan, and positioned between the sieve frame and the brush pan, andhaving at least one closing rod and at least one output module having at least one module passage opening in a manner matching with the product passage opening provided on said brush pan. |
