| 摘要 |
PURPOSE: An apparatus for fixing a keyboard is provided to separate the keyboard from a system unit without a specific instrument. CONSTITUTION: A knob groove(12) is formed at a side of a base board(11) for composing a lower surface of a system unit(10). An operating knob(30) is located in the knob groove(12). A penetration slot(13) is formed in an inner portion of the knob groove(12). An intermediate portion of the operating knob(30) is located in the penetration slot(13) so that the operating knob(30) is not ejected to the outside of the knob groove(12) and is operated according to the knob groove(12). A fixing tool(23) is installed in an inner space of the system unit(10), and is formed at a lower surface of a keyboard(20) installed on an upper surface of the system unit(10) through a side of the keyboard(20). The fixing tool(23) is selectively coupled to a couple tool(35). A plate spring(28) is installed on an upper surface of a keyboard plate(25) for supporting a lower surface of the keyboard toward an upward direction. The plate spring(28) elastically supports the lower surface of the keyboard(20) toward the upward direction, and the keyboard(20) is projected on an upper portion of a keyboard deck(15) when a coupling state of the keyboard(20) is released. The coupling tool(35) is installed to a position corresponding to the fixing tool(23). The coupling tool(35) is installed at one side of the system unit(10) to be capable of operation. A slope guide surface(36) is formed on an upper surface of an end of the coupling tool(35). A supporting rod(37) is formed at an opposite side in which the slope guide surface(36) is installed. The operating knob(30) installed in knob grooves(12,17) through penetration slots(13,18) is formed at a side of the coupling tool(35) by one body.
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