| 摘要 |
PROBLEM TO BE SOLVED: To provide a drain structure in an operation cabin of a working machine capable of reasonably setting the arrangement position of drain pipes to achieve an arrangement constitution reduced in work burden. SOLUTION: A window 39 comprises a front face window 39a and right and left lateral face windows 39b positioned at both lateral ends of the front face window 39a. Drain pipes 36 for guiding waste water discharged from an air conditioning device 46 stored in a ceiling part 42 to the outside of an operation part are arranged along inner faces of corners 39c connecting both the lateral ends of the front face window 39a to the lateral face windows 39b. COPYRIGHT: (C)2009,JPO&INPIT
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