Mitsubishi Denki Kabushiki Kaisha

Naoki Asakura

Tomoaki Ide

A cassette loading device includes a door opening/closing mechanism that includes a single element arm or the like for selectively opening and closing a cassette loading door, in accordance with the movement of a cassette receiving housing between a ejected position and a loaded position. The single element is selectively locked into place so as to not cause the cassette loading door to open, such as when a tape cassette is not inserted into the cassette receiving housing. Therefore, the cassette loading door remains closed until a tape cassette is moved into or out of the cassette receiving housing.

Door opening mechanism of cassette loading device

In a cassette loading device according to the invention, a member for transmitting the drive force supplied from a loading motor is formed of a spur gear for facilitating assembly, a stopper is associated to teeth of a spur gear, which is provided for moving a cassette housing, so as to stop the rotation of the spur gear through an angle smaller than 360 degrees without a fail, a plurality of apertures through which light beams are passed to a photosensor are formed at positions in a gear sense corresponding to moving patterns for the purpose of detecting a trailing end of the tape in accordance with various moving patterns of the tape cassette, and a door moving member of an integral type is employed to eliminate a connection to a door for reducing the number of parts for opening and closing a door and thus facilitating the assembly.

Cassette loading device

A tape loading mechanism having a guide member provided on a pinch roller unit to prevent a cam follower provided on the pinch roller unit from coming off a cam groove, and capable of smoothly moving the pinch roller unit. A sliding face provided on the pinch roller unit moves sliding along the rim of a cam to impart rotating force to the pinch roller unit so that the pinch roller moves away from a capstan shaft, and therefore the pinch roller can be moved completely away from the capstan shaft.

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Nagaokakyo, Japan

Naoki Asakura