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Portable grain handling bin

  • US 5,129,164 A
  • Filed: 05/02/1990
  • Issued: 07/14/1992
  • Est. Priority Date: 05/02/1990
  • Status: Expired due to Fees
First Claim
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1. A portable grain bin trailer comprisinga farm having a front end and a rear end, a plurality of wheels, a trailer hitch on the front frame an end defining a normal path of towing movement of the grain bin trailer along an underlying surface and means for raising and lowering the wheels relative to the frame;

  • a bin carried by the frame and includinga front end adjacent the frame front end and a rear end adjacent the frame rear end,a bottom dump assembly located substantially closer to the rear bin end than to the front bin end, the bottom dump assembly comprising a plurality of spaced stationary slats providing a plurality of spaced first openings therebetween, a movable gate comprising a plurality of movable slats providing a plurality of spaced second openings therebetween and means for moving the gate from a first position where the first and second openings are aligned to a second position where the second slats close the first openings, the first slats being triangular in cross-section having an upwardly facing apex and a horizontal base, the horizontal bases being coplanar, the second slats being coplanar and abutting the horizontal bases,a downwardly convergent bottom wall having an opening merging with the bottom dump assembly and an upper end,a pair of spaced upright side walls extending between the front and rear bin ends and merging with the bottom wall upper end,a first upright end wall on the rear bin end merging with the bottom wall upper end, merging with the upright side walls and defining a first angle with the underlying surface, the first upright end wall comprising the rear terminus of the trailer, anda second inclined end wall on the front bin end merging with the bottom wall upper end, merging with the upright side walls and defining a second angle with the vertical much smaller than the first angle.

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