US Patent 9617065 Bulk material shipping container

A bulk material shipping container in one embodiment including a pallet, a bottom compartment mounted on the pallet, a top compartment mounted on the bottom compartment and movable from a retracted position relative to the bottom compartment to an expanded position relative to the bottom compartment, a plurality of top compartment supporting assemblies configured to support the top compartment in the expanded position relative to the bottom compartment, and configured to release the top compartment from the expanded position to enable the top compartment to move downwardly into the retracted position, a material unloading assembly, a material loading assembly, and an extension assembly.