A cut bone knife for spareribs and pig's trotter

The utility model discloses a cut bone knife for spareribs and pig's trotter, the on -line screen storage device comprises a base, the last skin weld of base has the propulsion case, and impels to open on the case and have first through -hole and second through -hole, first through -hole and second through -hole are orthogonal and be linked together, sliding connection has the square bar in the second through -hole, and one side of square bar opens and have the gear groove, the meshing of gear inslot has the transfer line, the one end welding that impels the case is kept away from to the square bar has splint, the upper surface that impels the case is opened there is the screw, and screw and second through -hole be linked together, the spiro union has the bolt in the screw, the last skin weld of base has two first channel -section steels, and the opening of two first channel -section steels is relative. The utility model discloses can not drop back after having guaranteed the tight bone in square bar top to b