| 摘要 |
A computer mainframe front panel assembly, comprising a front panel which has a hole on a sloping top edge and a diskdrive slot on a vertical front wall, swivel control panel fastened in the hole on said sloping top edge and pivoted to a framework for a computer mainframe, and a lift gate moved to close or open said diskdrive slot. The lift gate comprises a frame attached to the front panel at the back to hold a cover plate which is maintained at any of various level positions by alternatively engaging a plurality of spring pawls on said cover plate into a plurality of recesses on said frame. Power switch is switched on when the control panel is moved to an opened position, or switched off when the control panel is moved to a closed position to block up the hole on the sloping top edge of the front panel.
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