| 摘要 |
<p>PURPOSE: A button key assembly, an operating panel, and an image forming apparatus is provided to position a plurality of button keys on an operating panel by a narrow distance, thereby reducing the device composition cost. CONSTITUTION: A substrate is installed on an operating panel. A plurality of switches is formed on the substrate. A plurality of button keys (9 to12) and an elastic arm member (25) are corresponded to the switch. A frame member supports each of the button keys. A button key assembly is made up by laminating a plurality of button key units (18,19).</p> |
