| 摘要 |
PROBLEM TO BE SOLVED: To make it possible to execute disassembly/assembly of a casing in a small manhour and to easily access the inner parts after disassembly. SOLUTION: The casing 11 comprises the bisected structures consisting of a lower divided casing 12 having a bottom wall 14, a first side wall 15 and a second side wall 16 and an upper divided casing retaining wall 17 and the upper divided casing 13 having a top wall 24, a third side wall 21 and a fourth side wall 23. The constitution to allow the assembly of the lower divided casing 12 and the upper divided casing 13 simply by fitting a fitting projecting part 21b into a fitting groove 16b to fix the third side wall 21 to the second side wall 16, inserting the top wall 24 into a specified spacing (t) between an upper divided casing retaining wall 17 and the first side wall 15 and simply fixing the bottom wall 14 and the fourth side wall 23 to each other with screws is adopted in the assembly described above. |
