Bulk material shipping container

CAFC
  • US 9,796,504 B1
  • Filed: 06/27/2017
  • Issued: 10/24/2017
  • Est. Priority Date: 10/28/2010
  • Status: Active Grant
First Claim
Patent Images

1. A material shipping container comprising:

  • a pallet;

    a compartment mounted on the pallet, the compartment having a first top corner, a second top corner, a third top corner, and a fourth top corner, the compartment including;

    (a) a top wall,(b) a front exterior wall,(c) a back exterior wall spaced apart from the front exterior wall a first distance,(d) a first exterior side wall,(e) a second exterior side wall spaced apart from the first exterior side wall a second distance, wherein the second distance is approximately 80% of the first distance;

    (f) a front exterior wall support bracket connected to an exterior side of the front exterior wall,(g) a back exterior wall support bracket connected to an exterior side of the back exterior wall,(h) a first side exterior wall support bracket connected to an exterior side of the first exterior side wall,(i) a second side exterior wall support bracket connected to an exterior side of the second exterior side wall,(j) an interior bottom wall including;

    (i) a front downwardly angled section attached to the front exterior wall and having a lower edge that partially forms a material release opening at a bottom of the compartment,(ii) a back downwardly angled section attached to the back exterior wall and having a lower edge that partially forms the material release opening at the bottom of the compartment,(iii) a first side downwardly angled section attached to the first exterior side wall, the front downwardly angled section, and the back downwardly angled section, and having a lower edge that partially forms the material release opening at the bottom of the compartment, and(iv) a second side downwardly angled section attached to the second exterior side wall, the front downwardly angled section, and the back downwardly angled section, and having a lower edge that partially forms the material release opening at the bottom of the compartment,(k) a front wedge shaped bottom wall support which partially supports the front downwardly angled section between opposing spaced apart side edges of the front downwardly angled section,(l) a back wedge shaped bottom wall support which partially supports the back downwardly angled section between opposing spaced apart side edges of the back downwardly angled section,(m) a first side wedge shaped bottom wall support which partially supports the first side downwardly angled section between opposing spaced apart side edges of the first side downwardly angled section,(n) a second side wedge shaped bottom wall support which partially supports the second side downwardly angled section between opposing spaced apart side edges of the second side downwardly angled section,(o) a first nesting support positioned at the first top corner of the compartment, the first nesting support defining an opening extending through the first nesting support,(p) a second nesting support positioned at the second top corner of the compartment, the second nesting support defining an opening extending through the second nesting support,(q) a third nesting support positioned at the third top corner of the compartment, the third nesting support defining an opening extending through the third nesting support, and(r) a fourth nesting support positioned at the fourth top corner of the compartment, the fourth nesting support defining an opening extending through the fourth nesting support, the first, second, third, and fourth nesting supports configured to at least partially support a pallet of another same material shipping container;

    a material unloading assembly positioned at the bottom of the compartment, the material unloading assembly including;

    (i) spaced apart guide rails, and(ii) a slidable gate including a closure member and an engagable member extending in an area lower than the closure member and attached to and supported by the closure member, the closure member at least partially supported by the spaced apart guide rails, the engagable member movable in a first direction to cause the closure member to open the material release opening and movable in a second different direction to cause the closure member to close the material release opening; and

    a material loading assembly attached to the top wall of the compartment, the material loading assembly including a cover hingedly attached to the top wall of the compartment and rotatable from a closed position to an open position, the cover remaining hingedly attached to the top wall of the compartment in the open position.

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