Patent ID: 6011669
Filing Date: 2000-01-04
Classification: G11B

Abstract:
In two juxtaposed automated cartridge library systems for robotically storing and retrieving a plurality of magnetic tape cartridges stored therein, a pass thru apparatus connected to a first and a second of said two juxtaposed automated cartridge library systems, for automatically transporting magnetic tape cartridges between said first and said second of said two juxtaposed automated cartridge library systems, comprising:first and second cartridge receiving means, fixedly located within said first and said second of said two juxtaposed automated cartridge library systems, respectively, for receiving a selected magnetic tape cartridge deposited therein by a robot mechanism operational in a corresponding one of said first and said second of said two juxtaposed automated cartridge library systems;means fixably mounted to said pass through apparatus for rotating said selected magnetic tape cartridge;a transport belt means for transporting said selected magnetic tape cartridge from said first cartridge receiving means to said means for rotating and thence to said second cartridge receiving means; andmeans for coordinating operation of said means for rotating and said transport belt means for transporting to automatically transport said selected magnetic tape cartridge between said first and said second of said two juxtaposed automated cartridge library systems.