TUBULAR-BELT CONVEYOR Russian patent published in 1994 - IPC

FIELD: transportation of powder and granulated materials. SUBSTANCE: conveyor has endless tubular belt being wound on driving and driven rollers so that material to be transported is enclosed by belt and transported in this state. Conveyor has also support frames with large number of holding rollers and horizontal rollers, designed for holding lower part of belt and hinge-mounted on bracket secured on connecting member of support frame so that its orientation can be changed; it has also vertical rollers, each designed for holding curvilinear inner peripheral side part of belt arranged near horizontal roller and hinge-mounted on bracket to permit changing of its orientation. Sagging of belt is reliably prevented, twisting of belt can be easily corrected, and number of holding rollers can be reduced. EFFECT: enhanced reliability. 2 cl, 13 dwg