Patents Assigned to Hellerman Cassettes Limited
  • Continuous loop tape cartridges
    Patent number: 4012006
    Abstract: A continuous-loop tape cartridge for high speed running, comprising a non-rotatively mounted tape-pack carrier having a hub around which a pack of tape is coiled, an opening in the hub wall through which in use the tape is pulled from the innermost turn of the pack, guide means for guiding the tape along a fixed path within the cartridge and back onto the pack as the outermost turn, and a duct for conveying air to the pack to provide an air-bearing for the tape at least between the innermost turn thereof and the hub.
    Type: Grant
    Filed: September 30, 1975
    Date of Patent: March 15, 1977
    Assignee: Hellerman Cassettes Limited
    Inventor: Edward Alexander Leshik