Patent ID: 8381909

Claim:
A tray system comprising: a plurality of trays, wherein the trays comprise various, generally increasing widths and lengths, and may be alternatively arranged in a stacked configuration, in which a tray with a larger width and length is stacked on a tray with a smaller width and length, or in a nested configuration, in which a tray with a smaller width and length is nested within a tray with a larger width and length, each of the trays further comprising: a width and a length; a first wall, a second wall disposed opposite the first wall, a third wall and a fourth wall disposed opposite the third wall; a floor engaged to each of the walls; a foot extending from the floor, wherein the foot creates a groove on the floor; a top securing structure engaged to at least one of the walls; a bottom positioning structure engaged to at least one of the walls; and at least one latch movable between an unlocked and a locked position and disposed on at least one of the trays, the at least one latch comprising: a spring biasing the at least one latch to the locked position; a locking component formed on one end of the latch, wherein the locking component is selectively engageable to one of the top securing structures; wherein a gap is formed between the at least one latch and the one of the top securing structures when the plurality of trays are resting in the stacked configuration, and wherein the at least one latch directly engages the one of the top securing structures when the plurality of trays are in the stacked configuration and being lifted; and a plurality of latches, wherein all but one of the trays comprises at least one latch.