Single reel tape cartridge with leader block door seal

Details Single reel tape cartridge with leader block door seal Single reel tape cartridge with leader block door seal

G - Physics

11

B

352/31.1

G11B 23/12 (2006.01) G11B 15/67 (2006.01) G11B 23/107 (2006.01) G11B 23/26 (2006.01)

Patent

CA 1168357

TH980031 SINGLE REEL TAPE CARTRIDGE WITH LEADER BLOCK DOOR SEAL Abstract A magnetic tape cartridge is disclosed in which a length of magnetic tape is wound on a single reel with the free end of the tape permanently connected to a generally rectangular-shaped leader block. The car- tridge completely surrounds the reel of magnetic tape except for an opening provided at one corner of the cartridge. This opening permits tape wound on the reel to be unwound as the leader block is moved away from the cartridge, preferably by an automatic threading mechanism. The cartridge is characterized by one corner of the cartridge through which the tape passes being provided with a leader block receiving well in which the bottom of the well surface defines the open- ing in the cartridge through which the tape moves. Other opposed surfaces of the leader block well are arranged to engage the leading and trailing surfaces of the leader block in a clamping relationship such that the opening in the cartridge is substantially sealed by the leader block to prevent contamination from entering the cartridge when the cartridge is not in use.

393602

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