IP Library › Granted Patent US 12685267
Granted Patent B2
US 12685267 · App. 18/140,016 · Granted Jul 21, 2026

Unload tube for agricultural vehicle

Inventors: Jishan Jin (Naperville, IL); Denver Yoder (Manheim, PA)
Assignee: CNH Industrial America LLC
A01D90/10
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Quick Facts
Patent No.
US 12685267
App. No.
18/140,016
Granted
Jul 21, 2026
Kind
B2
Abstract

An unload tube assembly for an agricultural vehicle includes an inner tube defining a proximal end and a distal end, an outer tube extending about the inner tube, a flange disposed at the proximal end of the inner tube, and a gusset that is connected to the flange and the inner tube for supporting a weight of the unload tube assembly.

Claims (19)

1 . An unload tube assembly of an agricultural vehicle, the unload tube assembly comprising:

an inner tube defining a proximal end and a distal end;

an outer tube extending about the inner tube;

a flange disposed at the proximal end of the inner tube, the flange connected to a component of the agricultural vehicle through which crop material is delivered; and

a gusset that is connected to the flange and the inner tube for supporting a weight of the unload tube assembly,

wherein the outer tube includes one or more openings, and a portion of the gusset extends through the opening for connection to the inner tube.

2 . The unload tube assembly of claim 1 , wherein the outer tube is welded or otherwise fixed to the inner tube at one or more locations.

3 . The unload tube assembly of claim 1 , wherein the flange is welded or otherwise fixed to the inner tube.

4 . The unload tube assembly of claim 1 , wherein the component of the agricultural vehicle is an elbow having an elbow flange mated with the flange.

5 . The unload tube assembly of claim 1 , wherein the inner tube has a different wall thickness than the outer tube.

6 . The unload tube assembly of claim 5 , wherein the inner tube has a greater wall thickness than the outer tube.

7 . The unload tube assembly of claim 1 , further comprising a plurality of the gussets arranged about a perimeter of the unload tube assembly.

8 . The unload tube assembly of claim 7 , wherein the plurality of gussets are non-uniformly arranged about the perimeter of the unload tube assembly, and are isolated on top and bottom halves of the unload tube assembly.

9 . The unload tube assembly of claim 1 , wherein the gusset includes a connecting portion connected to the flange, and two legs depending from the connecting portion, wherein each leg is mounted to the inner tube.

10 . The unload tube assembly of claim 9 , wherein the legs are welded or otherwise fixed to the inner tube.

11 . The unload tube assembly of claim 1 , wherein the outer tube has a proximal end and an entirety of the proximal end abuts the flange, and the outer tube has a distal end that is tapered such that the distal end extends non-uniformly along a length of the inner tube.

12 . The unload tube assembly of claim 1 , wherein a bottom end of the outer tube extends a greater distance over a length of the inner tube than does a top end of the outer tube.

13 . An agricultural vehicle comprising the unload tube assembly of claim 1 , wherein the unload tube assembly is moveably mounted to a grain tank of the agricultural vehicle between a deployed position and a stowed position.

14 . The agricultural vehicle of claim 13 , wherein the agricultural vehicle is a combine harvester.