, or fourth aspect, panel engaging members are provided in a standing manner on both ends of the panel and each of the panel engaging members is provided with an expanded projection. Furthermore, the device unit is provided with engaged members each opposed to each of the panel engaging members, and each of the engaged members is provided with an engaging slot corresponding to each expanded projection of the panel engaging member.
This allows the fifth aspect of the invention to function in an equivalent manner to the aforementioned second, third, or fourth aspect. In addition, the expanded projections of the panel engaging members provided on the panel can be engaged with the engaging slots formed on the device unit, thereby allowing the panel to be engaged with the device unit.
According to a sixth aspect of the present invention, the aforementioned device unit housing apparatus according to any one of the first to fifth aspects is provided with at least one fastening member such as a screw at the apparatus main body side. In addition, the device unit is provided with mated members each having a mated portion such as a through-hole or a notch corresponding to each of the fastening members.
This allows the sixth aspect of the invention to function in an equivalent manner to any one of the aforementioned first to fifth aspects. In addition, the device unit can be engaged with the apparatus main body via the mated member of the device unit corresponding to the fastening members such as screws and by the fastening members provided on the apparatus main body.
According to a seventh aspect of the present invention, in the aforementioned device unit housing apparatus according to any one of the first to sixth aspects, the engaging through-hole of the apparatus main body is formed in one plate-shaped member and the plate-shaped member is provided on the apparatus main body.
This allows the seventh aspect of the invention to function in an equivalent manner to any one of the aforementioned first to sixth aspects. In add