| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an opening/closing device of a keyboard lid capable of compactly housing a front lid and a rear lid with them overlapped above and below and successfully covering a keyboard part without difference of the surface level when closing the keyboard lid. <P>SOLUTION: An opening/closing device 16 of a keyboard lid 3 for openably/closably covering a keyboard part 2 in an instrument case 1 with a keyboard lid 3 separated into a front lid 12 and a rear lid 13 is provided with: a connection member 14 for rotatably connecting the front lid 12 and the rear lid 13; the first connection guide part 17 provided in a side board 7 of the instrument case 1 so as to guide the connection member 14; the second connection guide part provided on a side surface of the rear lid 13 so as to movably guide the connection member 14; and a free guide region part 19 provided in the side board 7 of the instrument case 1 and having a slope part for rotating the connection member 14 in a vertical direction. Thus, it is made possible to compactly housing the front lid 12 and the rear lid 13 with overlapping above and below, and to successfully cover the keyboard part 2 in flatly continued state without difference of the surface level when closing the keyboard lid 3. <P>COPYRIGHT: (C)2008,JPO&INPIT |
