SCREW CONVEYOR WITH FLEXIBLE WORKING MEMBER FOR BULK MATERIALS TRANSPORTATION Russian patent published in 2020 - IPC B65G33/14 B65G33/26 

FIELD: machine building.

SUBSTANCE: screw conveyor with flexible working element for loose goods transportation contains drive (1) and cylindrical chute (2), with flexible screw (3) located in it, consisting of three coaxially located spirally bent rods (4, 5, 6), wherein middle rod (5) is made in the form of a flat strand of the double right one-sided laying, and two other extreme (4, 6) in the form of a flat strand of the double one-sided left lay. Large axes (9, 10, 11) passing through one of three tops of each of flat strands are turned to rotational axis of flexible screw and located in diametral plane (12) of cylindrical chute.

EFFECT: higher reliability and efficiency of screw conveyor.

1 cl, 2 dwg