| 摘要 |
<p>PROBLEM TO BE SOLVED: To realize an expanded top plate which can deal with the layout of an office effectively and can form a top plate face suitable for using a mouse effectively. SOLUTION: This expanded top plate is provided with an expanded top plate main body 4 which is attached to one end side or the other end side of a use side 2b by allowing a rear fringe 4a to abut on the use side 2b of a top plate 2, has use faces 4d, 4e on both upper and lower sides and an edge part 4h which protrudes from the use faces 4d, 4e in a fringe part other than the rear fringe 4a, and has such shape that a dimension X of its depth increases from an inner end toward an outer end, mounting holes 4i, 4j provided by passing through the use faces 4d, 4e in the vertical direction to attach this expanded ceiling plate main body 4 at a predetermined position by a connection rod 6, and a sheet member 5 mounted closely and detachably along an inner face of the edge part 4h on the use face oriented upward among the use faces 4d, 4e of the expanded ceiling plate main body 4, and it is arranged at a position where a top face of the sheet member 5 becomes substantially flush with a top face of the edge part 4h and the top plate face 2a at a mounting position of the sheet member 5.</p> |
