A - Human Necessities – 01 – F
Patent
A - Human Necessities
01
F
201/27
A01F 25/20 (2006.01) B01F 15/00 (2006.01) B65D 88/68 (2006.01)
Patent
CA 2021423
FLAIL CHAIN UNLOADER FOR PARTICULATE MATERIAL Abstract of the Disclosure A flail chain unloader for discharging par- ticulate material from a lower outlet of an upright storage vessel includes a rotating shaft extending upwardly of the central portion of the vessel above the outlet and flail chains secured to the shaft at different levels thereon to rotate with the shaft and loosen the particulate materials in the vessel to flow downwardly for discharge through the lower outlet. One or more upper flail chains are secured adjacent an upper level portion of the shaft and have outer ends movable in a generally circular path closely adjacent the inside wall surface of the vessel for loosening the material adjacent the vessel wall. At least one set of intermediate flail chains of a rela- tively short length is provided at spaced apart lower levels below the upper flail chains in order to dig out the material in the central portion of the vessel around the shaft. These short length chains are de- signed to minimize entanglement with the upper longer flail chains when the unloader is starting up from rest and the chains are hanging downwardly around the shaft before sufficient centrifugal force is attained for the chains to swing outwardly toward a horizontal orbit around the vessel.
Flying Dutchman Inc.,
Lepley James W.
Smart & Biggar
LandOfFree
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