| 摘要 |
<p>PURPOSE:To prevent the misloading of a tape-housing case surely, by locking a door while the case is set to the loading position with a lock lever operated in interlocking with a holder. CONSTITUTION:In opening a door 24, a drive lever 29 in interlocking with the door 24 is elevated against a tortion spring 31 with a fulcrum 30 set as a center. In this state, a driving mechanism 8 is not operated yet and a projection 35 of a disc cam 33 is detached from a pressing part 34 of the driving lever 29. When a tape housing case 19 is completely inserted in a holder 18, the rear end of the case 19 operates a switch provided in a device main body 2. Through the operation of this switch, a power supply is turned on, a motor (not shown) is driven, the torque is delivered to gears 9, 10 and the speed is reduced to a prescribed number of revolutions.</p> |
