| 摘要 |
<p>PURPOSE:To achieve low cost device by providing the endless belt to the drive mechanism of a cassette holder. CONSTITUTION:A drive mechanism 22 is constituted with the combination of gears and an endless belt, and they are provided by one for each side of a housing 13. That is, respective drive set 22 provides three gears 23, 24, 25, tooth endless belt 26 tensioned between gears and a gear 28 provided coaxially with the gear 23, and a gear 28 is geared with a pinion 30 on a motor shaft. A cassette 16 is inserted in a cassette holder 15 in a start position and when it slightly depresses the cassette 16, the depressing force of the cassette 16 is delivered to the endless belt via a coupling pin 32 to be moved counterclockwise to drive the pinion 30, i.e., motor 20 via the gear 28.</p> |
