| 摘要 |
A grain bag unloader is described for unloading grain from a grain bag wherein the unloader is moved rearwardly and operated by a tractor having a hitch, a hydraulic system and a PTO. The grain bag unloader includes a wheeled frame having a grain hopper at the rearward end thereof with a transversely extending unloading auger which is adapted to be inserted into the lower end of a field grain bag and which conveys grain from the grain bag into the grain hopper. The grain bag unloader also includes a discharge auger which extends upwardly and laterally from the grain hopper. The grain bag unloader also includes a grain bag winder tube. The grain unloader of this invention includes a first clutch which is able to disengage the operation of the unloading auger while permitting the discharge auger to continue to operate. The grain bag unloader of this invention also includes a second clutch which is designed to disengage the bag winder tube so that the same will be free wheeling to enable the empty bag to be unwound from the bag winder tube.
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