Abstract: An apparatus for transporting a storage media cartridge within a data storage library is disclosed. The apparatus includes a first pair of rack and guide rail, a second pair of rack and guide rail, and an accessor capable of moving on the first pair of rack and guide rail or the second pair of rack and guide rail. The first pair of rack and guide rail is located orthogonally from the second pair of rack and guide rail. Located at an intersection between the first pair of rack and guide rail and the second pair of rack and guide rail, a turn plate may change a moving direction of the accessor. The turn plate includes two racks and four guide rails with a conical shaped rack tooth located at an intersection of the two racks.

Abstract: An apparatus for transporting a storage media cartridge in a data storage library is disclosed. The apparatus includes an accessor, a pinion and a rack having a straight section and a curved section. The curved section includes multiple rack teeth that are capable of rotating independently from each other to allow the pinion to travel along the straight section and onto the curved section of the rack, or vice versa, without any interruption.

Abstract: Data storage libraries as disclosed that provide for accessors that turn upon angled rails. In the library, a first rail and a second rail form an angle. The first and second rail each have a drive surface, but the drive surfaces are on different vertical planes. A switching mechanism of the accessor is then configured to move a drive mechanism between the different vertical planes of the drive surfaces. If the switching mechanism positions the drive mechanism adjacent to the drive surface of the first rail, then the drive mechanism engages the drive surface of the first rail to move the accessor along the first rail. If the switching mechanism switches the position of the drive mechanism adjacent to the drive surface of the second rail, then the drive mechanism engages the drive surface of the second rail to move the accessor along the second rail.

Abstract: A system for generating mechanical and or electric power using low grade thermal or electro-magnetic energy reservoirs, such as air, water and incident light to fuel the power generation cycle. Greater then 105% of the energy compression will be available from the system when the appropriate system geometrics are used.