| 摘要 |
A tape cassette has a pair of cassette shell members, a pair of reel hubs, and a hub brake member. The cassette shell members are coupled to each other with a tape-like recording medium housed therein. The cassette shell members have an opening defined therein with the tape-like recording medium exposed outwardly through the opening. The cassette shell members are made of a material composed of a synthetic resin and a silicon polymer mixed therewith. The hubs are rotatably disposed in the cassette shell members coupled to each other, and the tape-like recording medium are wound on the reel hubs. The hub brake member is disposed in slidable contact with an inner surface of one of the cassette shell members. The hub brake member is movable between a position in which the hub brake member engages the reel hubs to lock the reel hubs against rotation and a position in which the hub brake member disengages from the reel hubs to release the reel hubs for rotation.
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