| 摘要 |
A cassette type tape recorder comprises a magnetic head for recording on and reproducing from a magnetic tape in a tape cassette, a drive gear, a head displacing cam mechanism for changing-over the position of the magnetic head between its play and non-play positions, an idler for driving the head displacing cam mechanism by drive power transmitted from the drive gear, a cut-off gear movable and engageable with the drive gear and the idler, the cut-off gear being arranged to cut off the drive power transmission from the drive gear to the idler when the cut-off gear is in a cut-off position, and a cut-off gear displacing cam mechanism for displacing the cut-off gear to said the cut-off position when the magnetic head is brought into its play position by the head displacing cam mechanism.
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