Tape cassette for data storage has concave surface of brake body accessible through opening in housing part

摘要

The cassette has braking body (52) with a knob (64) arranged opposite a protrusion (60), and having a concave surface (74) for selectively receiving a rounded surface (110 of a tape drive. The a concave surface (74) is accessible through an opening (34) in a housing part (26) and a center hole (46) in the tape spool. Independent claims are included for a tape drive system, a method of operating a tape drive system, and for a brake body.