| 摘要 |
<p>PURPOSE:To reduce a cassette inserting force by providing a driving mechanism with a lock member and releasing the lock member with the cassette inserting operation. CONSTITUTION:When a cassette 2 is inserted, a cassette front part 2-1 operates a release lever 19, and the release lever 19 operates a lock lever 10. The lock lever 10 attached to a supporting shaft 8-1 joined to a work wheel as one body releases the lock of a shaft part 9-1 joined to a clutch gear as one body. It is sufficient if the inserting force of the cassette 2 overcomes the initial release force of the lock lever and the force of a following clutch gear restoring spring 12, and the cassette 2 is loaded with a very light inserting force. When detecting that the cassette holder advances to a prescribed position, a driving motor 4 starts the operation to load surely the cassette 2.</p> |
