Abstract: A mobile storage apparatus incorporating a plurality of storage carts arranged side-by-side and having casters on opposite sides of each cart supporting said carts on a floor surface for independent front-to-rear movement between a storage position and a loading position, the casters on adjacent sides of each pair of the carts being rollably received in a pair of elongated track channels forming a track member supported on said floor surface, whereby only the casters on one side of each cart is rollably received within a track channel of a track member and the casters on the opposite side of each cart are freely rollably supported upon the floor surface.

Abstract: A deck member for a storage rack in which the front and rear portions of the deck member are provided with the front and rear planar platform surfaces including corresponding upwardly projecting transverse front and rear ridge mebers having a front-to-rear spacing slightly greater than the front-to-rear dimension of a storage container received on the deck member, to retain the storage container upon the deck member.