| 摘要 |
<p>This invention relates to a mode change-over mechanism for a tape recorder, in particular for the rapid feed mode and rewind mode of a tape recorder. The device of this invention decreases the number of parts hitherto needed for switching the motor and rolls, and moreover ensures reliable meshing between the gears, thus overcoming slipping problems associated with conventional mechanisms. The present mechanism has a feeder reel and take-up reel which have gear elements at their respective peripheral surfaces. A rapid feed gear meshes with the gear element relating to the take-up reel, and a rewind gear meshes with the rapid feed gear and with the gear element at the periphery of the feeder reel. The rapid feed gears are connected to a drive motor and when moving, rotate to connect with the gear element of the take-up reel. The rewind gear, when moving, connects with both the rapid feed gear and the gear element of the feeder reel. This co-action achieves positioning of the rapid feed gear and rewind gear.</p> |
