To provide a working machine capable of stably supporting a blade and simplifying a structure for supporting the blade, and to provide a blade support structure having excellent strength and attaining improvement in assembling work efficiency and weight reduction.
The blade support structure is provided with a pair of support frames 11, 11 with one end side pivoted to the end parts of the blade 3, and bracing arms 12 connecting the blade 3 to the blade side of the support frames 11. The support frame 11 is formed in box structure comprising an upper wall 13, a lower wall 14 and a pair of sidewalls 15, 16. Each of the upper wall 13 and the lower wall 14 integrally having bracket parts 20, 21 for pivotally connecting the bracing arm 12 is formed being cut out of one plate.
WADA TATSUO
ARAKAWA KAZUYA
| JPS4537230B1 | ||||
| JPH093955A | 1997-01-07 |
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