| 摘要 |
A button assembly of a control panel is provided to improve the button pushing feeling and the operating convenience of a user by placing the button near the display window and installing the projection part of the button at both sides of the display window. A button assembly of a control panel comprises: a control panel cover forming an external appearance; a display part for showing the status of a PCB, where various electric parts are mounted, and a device; a transparent window formed with at least one hole at one side to form an external appearance of the display part; and a button(160) installed to be exposed to the outside through the hole of the transparent window. The button contains a fixed part fixed at one side of the control panel, an elastic rib extended from the fixed part, and a projection part inserted in the hole of the window, projected at the rear end of the elastic rib, and projected to the outside.
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