| 摘要 |
An actuating device for a drive switch for use in a front-loading type video cassette tape recorder which comprises a worm, a wheel gear having a connecting gear, a drive gear, a cam portion having slant surfaces formed on one side surface of the drive gear, and a tact switch including a contact protrusion which contacts to the cam portion of the drive gear, whereby the tact switch is actuated by the rotation of the drive gear.
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