| 摘要 |
PROBLEM TO BE SOLVED: To provide an opening and closing cover structure disposed in an upward opening of a working machine, facilitating an opening and closing operation, facilitating access to the opening, simplifying the structure, lowering a cost and preventing the deterioration of an appearance. SOLUTION: This opening and closing cover structure includes: an opening and closing cover supported on the opening freely opened and closed around an axis; and an abutting member abutting on the opening and closing cover at the open position and holding that position. The abutting member abuts on the opening and closing cover in a position where the opening and closing cover turns in the opening direction and a force in the opening direction is applied by its dead load. COPYRIGHT: (C)2004,JPO
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