Pack arm assembly for use in a tape drive system

A tape drive system is disclosed. The tape drive system includes at least one tape reel assembly, a storage tape, and at least one pack arm assembly. The tape reel assembly includes a hub defining a tape winding surface about which is wound the storage tape. The pack arm assembly is disposed adjacent the tape reel assembly and includes a pack arm and a pin. The pack arm defines a guide defining a pivot end and has at least one flexible flange cantilevered from a side of the guide. The pin is coupled to the tape drive system. In this regard, the pack arm is slidingly coupled to the pin and configured to follow the wound storage tape by moving axially relative to the hub and radially about the pivot end.