HOPPER LOOSE MATERIAL BRIDGE BREAKER Russian patent published in 2003 - IPC

FIELD: material handling facilities. SUBSTANCE: invention relates to storage of loose materials and to prevention of bridge forming when discharging loose materials from hopper of stationary and mobile means. Proposed device has hollow rod with ports fixed in hopper housing. Additional housing. Additional rod with crosses is placed inside first rod. Ends of crosses projecting from rod ports are hinge connected with flexible working members by struts in form of compression springs. One end of each flexible working member is connected to fixed hollow rod. Vertical pins are secured over length of flexible working members. Combined operation of struts in form of compression springs and reciprocation of additional rod increase vertical vibrations of working members. EFFECT: increased efficiency of loosening of material and reduced stratification of material at discharge. 2 dwg