| 摘要 |
<p>A reel brake assembly for a tape drive, comprises a sub deck 20 slidably disposed on a main deck and having a rotatable reel table 21 thereon, and a cam gear 40 driveable by a motor 16 to move the sub deck between loaded and unload positions. A head drum 11 is mounted on the main deck. Movement of the cam gear also operates the brake unit appropriately to be brought into contact with and separated from the reel table. The brake unit includes a first and second coaxial brakes 31, 33 pivotally disposed in the sub deck and resiliently biased into contact with the reel table. The brakes have guide pin 31a, 33a protruding therefrom, which contact a guide groove 43 of the cam gear
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