| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a detachable structure between a casing of and electronic apparatus and a necessary attachment unit, which can mount and dismount the attachment unit on and from the electronic apparatus and also can input and output a power to the attachment unit at the same time with mounting and dismounting, without providing the load thereto, even during operation of the electronic apparatus. SOLUTION: A resilient plate is provided so as to cover a mounting part of a power switch 7 of an attachment unit 1, the resilient plate is provided therein with a screw hole 8 for fixing the attachment unit 1 to a casing 2, and the tightening direction of its screw 50 is made to coincide with the input energizing direction of the switch 7. Provision for buffer plate 102 enables a shock to be lightened at its mounting, and the provision of an operating arm 101 enables turning on of the power after the mounting and removal of it after turning off of the power. Thereby the attachment unit can be mounted and dismounted in a reliable sequence.</p> |
