Patent ID: 7347334

Claim:
An apparatus for transporting a storage media cartridge within a data storage library, said apparatus comprising: a first rack and guide rail pair, wherein said first rack is in parallel with said first guide rail, and said first rack has a plurality of rack teeth; a second rack and guide rail pair, wherein said second rack is in parallel with said second guide rail, and said second rack has a plurality of rack teeth, wherein said second rack and guide rail pair is located orthogonally from said first rack and guide rail pair; an accessor capable of moving from said first rack and guide rail pair to said second rack and guide rail pair; and a turn plate located at an intersection between said first rack and guide rail pair and said second rack and guide rail pair for changing a moving direction of said accessor, wherein said turn plate includes two racks and four guide rails, wherein said turn plate includes a conical shaped rack tooth located at an intersection of said two racks.