Abstract
A tray engaging assembly including a first vertical support, a second vertical support, a first guide rail coupled to the first vertical support, a second guide rail coupled to the second vertical support and spaced apart from the first guide rail and such that a pocket is defined between the first guide rail and the second guide rail for at least partially receiving at least one tray, and a plurality of tray engaging members pivotably coupled to a respective guide rail for engaging at least one tray.