Abstract: A roller track assembly comprises a first roller track, a second roller track, and a linking roller track, which links the first and second roller tracks. Each of the first and second roller tracks comprises two side walls and plural. The linking roller track comprises two side walls and a roller or plural rollers. Each roller has an axis and is supported between the side walls of the roller track having such roller so as to be freely rotatable about the axis of such roller. Each side wall of the linking roller track has a first extension, which is attached to an end portion of a respective one of the side walls of the first roller track, via bolts passing through an elongate slot in the first extension. Each side wall of the linking roller track has a second extension, which is attached to an end portion of an associated one of the side walls of the second roller track, via bolts passing through an elongate slot in the second extension.

Abstract: In a storage rack comprising a front beam having a ledge, a back beam having a ledge, and a roller track comprising two side rails, a front bracket having a flange resting on the ledge of the front beam and a back bracket having a ledge resting on the ledge of the back beam position the roller track relative to the front and back beams. The front and back brackets are attached to the side rails, via bolts passing through holes in the side rails and through elongate slots in the front and back brackets, so as to be continuously adjustable over limited ranges.