Patent ID: 6325316
Filing Date: 2001-12-04
Classification: G11B

Abstract:
A tape cartridge comprising:a pair of hubs, each of said hubs including a dram for winding a tape-shaped medium thereon and an inner cylinder with a driving shaft insertion bore for accepting a driving shaft of a recording/reproducing device, and each of said inner cylinders being integrally molded with a respective one of said drums;a casing including upper and lower halves, said casing rotatably supporting said hubs therein;driving shaft insertion holes formed in said casing, each of said driving shaft insertion holes accepting one of the driving shafts;a slider for slidably covering each of said driving shaft insertion holes;a hub brake engageable with each of said hubs;teeth provided on upper portions of each of said hubs so as to be engageable with said hub brake;recesses formed between said drum and said inner cylinder of each of said hubs, each of said recesses having an upper end thereof which is open; anda majority of said teeth having a portion thereof extending into a respective one of said recesses.