Tape cartridge holding case

Claim 1

A tape cartridge holding case for use in moving tape cartridges into and out of a storage system and for transporting tape cartridges from one location to another location comprising: an elongated member having a generally rectangular transverse cross-sectional configuration; said elongated member having at least a top wall portion, a bottom wall portion and four side wall portions all of which are integral; a first side wall portion having an inner surface; a second side wall portion having an inner surface facing said inner surface of said first side wall portion; a plurality of spaced apart ledges extending inwardly from said inner surfaces of said first side wall portion and said second side wall portion for a fixed distance and terminating in an edge; a third side wall portion extending between said first and second side wall portions; a fourth side wall portion extending between said first and second side wall portions; means defining only one opening in said third side wall portion facing in one direction and means defining only one opening in said fourth side wall portion facing in a direction opposite to said one direction; said ledges cooperating with said openings to form a plurality of shelf means so that tape cartridges may be inserted through each of said openings and be supported by opposite ledges of said first and second side wall portions; stop means comprising central rib means integral with said first and second side wall portions, said top wall portion and said bottom wall portion and extending inwardly therefrom; each of said ledges extending between said central rib means and said means defining said opening in said third and fourth side wall portions to form back to back compartments; and each of said ledges forming an acute angle with said central rib means with said acute angle facing said top wall portion.