Patent ID: 7028932

Claim:
A mixing machine for distribution of cattle feed product including straw and hay feed product, comprising: a skip ( 1 ) comprising a top accepting inserted feed product, lateral walls ( 3 , 4 ), end walls ( 5 , 6 ), a bottom ( 2 ) extending between the lateral walls ( 3 , 4 ) and the end walls ( 5 , 6 ), a feeding orifice ( 32 ) provided on one of the lateral walls and directed toward one of the end walls, and a flap ( 33 ) that can blank of the orifice ( 32 ), the bottom partially surrounding i) a mixing rotor ( 10 ) with a diameter extending longitudinally up to the end walls ( 5 , 6 ) and ii) a feeding endless screw ( 11 ) extending parallel to said rotor in order to move the product in a first direction from one end to another end of said bottom toward the feeding orifice ( 32 ), the feeding screw ( 11 ) topped with a transfer screw ( 12 ) that moves the product longitudinally in the skip in a second direction reverse of the first direction, at least one of said feeding screw and said transfer screw ( 11 , 12 ) comprising knives in the form of sections ( 15 ) arranged to at least one of shred and cut the product inserted in the top, said sections ( 15 ) arranged by couples, each couple of sections ( 15 ) forming a V and co-operating with a corresponding tooth ( 16 ) arranged on a support in the form of beam ( 19 ), the beam extending, at a distance from a casing of the screw carrying said knives, between said end walls ( 5 , 6 ) of said skip, the couples of sections ( 15 ) being distributed over the length of the screw carrying said knives and being each mounted centered on a radial plane crossing the corresponding tooth ( 16 ).