| 摘要 |
<p>PURPOSE:To prevent surely slackening of a tape by providing a reel lock means which releases the reel lock due to a reel lock means of a cassette in relation to the latch operation of a holder latch means. CONSTITUTION:Though a claw 2t of a latch lever 2 piereces an angular hole 1k of a holder 1 and is fitted to a reel lock member 10 of the cassette according as the holder 1 falls, the reel lock member 10 is moved against a tension coiled spring 11 is accordance with movement in the direction of an arrow A of a pin 3, and therefore, a detent 10m is disengaged from a ratchat wheel 12 and release the reel lock to make the reel rotatable. If the latch lever 2 is pushed in the direction opposite to the direction of the arrow A against a tension coiled spring 5 when the cassette is taken out, the claw 2t is moved in the same direction, and the reel lock member 10 is slided in the direction opposite to the direction of the arrow A to engage the detent 10m with the ratchet wheet 12, and the reel is locked to prevent the reel from rotating in the tape slackening direction.</p> |
