| 摘要 |
An apparatus for manually rewinding a cassette which comprises a pulley rotatably mounted inside a housing, a string adapted to be winded around the pulley, a ratchet means adapted to rotate jointly with the pulley when the string is being unwinded and to be still when the string to be winded around the pulley. A driving pin is adapted to rotate jointly with the ratchet means and to be inserted in a cassette hub. A resilient biasing means is provided for winding the string around the pulley.
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