LOOSE MATERIAL CHARGING DEVICE Russian patent published in 1995 - IPC

FIELD: materials handling. SUBSTANCE: loose material delivered to upper chute 2 accumulates in chute and pours over edges onto chutes arranged below whose width is greater than that of upper chute. Material moves along these chutes to store. Chutes with flexible working surfaces 3 are hinge-connected by opposite ends to form common zigzag conduit and are held in position by springs 4. Rigidity of each spring arranged above exceeds rigidity of spring located below in inverse proportion to masses of corresponding chutes, thus providing equal angle of tilting of the chutes. When lower chute is loaded to maximum height, movement of material along chutes is stopped and material, accumulating in chutes, makes springs extend. Chutes are lowered to position III, turning lower chute to position IV, in which material starts pouring off the chute, and emptied lower chute is returned in initial position V, and so on. EFFECT: enlarged operating capabilities. 3 dwg