closed position second bias members urge each side flap toward the interior application_number US 54469795 A description fig1 is a perspective drawing of the frame of the present invention in a closed position in fig1 a frame assembly 10 is illustrated comprising a plurality of vertical members 12 joining a top section 14 with a bottom section 16 top section 14 is comprised of a plurality of top members 18 joining vertical members 12 and a plurality of stacking receptacles 20 bottom section 16 is comprised of a plurality of bottom members 22 joining vertical members 12 and a plurality of stacking posts 24 appropriately located and sized to be nestingly received within stacking recepticals 20 of a next subjacent frame assembly 10 not shown in fig1 thus stacking post 24 of a first frame assembly and stacking recepticals 20 of a second subjacent frame assembly cooperate to maintain the first and second frame assemblies in a stable stacked relation bottom section 16 further includes a bottom hatch 26 which is attached to one of the bottom members 22 by a hinge mechanism 28 bottom hatch 26 is maintained in latched relation with an opposing bottom member 22 by latch mechanisms 30 a latch actuator 32 facilitates remote actuation of latch mechanisms 30 to release latch mechanisms 30 thus permitting bottom hatch 26 to swing about hinged mechanism 28 to an open position as shall be discussed in greater detail in connection with fig2 still further included in bottom section 16 is a torsion bias structure 34 torsion bias structure 34 includes a torsion bar 35 torsion bar 35 includes torsion arm segments 36 37 and a bail segment 39 torsion arm segments 36 and 37 are in engagement with torsion arm support members 38.