Abstract: A beverage dispenser includes a housing and a user interface disposed on a vertical corner of the housing. The user interface includes one or more buttons that are accessible from a front view and a side view of the housing.

Abstract: A transmission apparatus for use in a stack of data library units, the stack comprising a lower data library unit and an upper data library unit, each data library unit of the stack comprising a plurality of upright frames, the transmission apparatus comprising a tray for transporting a tape cartridge; a plurality of positioning pinions rotatably attached to the tray; a plurality of racks each disposed on each of the plurality of upright frames and configured to be engaged by the corresponding plurality of positioning pinions for vertical positioning of the tray within each data library unit; a plurality of partial racks each comprising an upper tooth and a lower tooth disposed adjacent the plurality of racks at each of the plurality of upright frames, the upper tooth being disposed adjacent a lower end of the frame of the upper data library unit and the lower tooth being disposed adjacent an upper end of the frame of the lower data library unit; a plurality of cross-over pinions each rotatably attached to th