Patent ID: 9736982
Date: 2017-08-22
CPC Classifications: A01D,B65D

Claim:
1. A grain tank for an agricultural harvester, comprising: an expandable and contractable floor comprising a hinged floor portions and a plurality of side edges; a plurality of upstanding walls, each said wall having a lower edge positioned along a corresponding side edge of the floor, wherein at least one of the plurality of upstanding walls comprises a plurality of movable wall portions connected by a plurality of hinges configured for rotation about axes extending at least in a vertical direction, wherein the wall portions are movable over the floor between an expanded harvest position wherein the floor portion and a folded transport position in which the movable wall portions have been moved toward one another and the floor portions have been moved toward one another such that an exposed lateral surface area of the floor below the upstanding walls is less in the transport position than in the harvest position, wherein the hinges are configured such that the wall and floor portions are both expandable and contractable between the positions in a folding manner; and at least one unloading conveyance, each said unloading conveyance having an inlet in communication with an interior of the grain tank adjacent to the floor.