| 摘要 |
PROBLEM TO BE SOLVED: To provide a farm working machine for controlling vibration and carrying out a suitable furrow forming operation. SOLUTION: The farm working machine 1 is provided with a machine frame 2 linking to a tractor. A front end of a turning arm 3 is rotatably mounted on the machine frame 2 and a turning machine frame 4 is rotatably mounted of the rear end of the turning arm 3. A working means 5 which carries out furrow forming operation by travel motion of the tractor, is mounted on the turning machine frame 4. The farm working machine 1 is provided with a first vibration controlling arm 52 fixing one end on a part facing to the rear end part of the turning arm 3 of the turning machine frame 4, and forming a first ring part 51 which has a ring shape in plane view, with the turning machine frame 4. The farm working machine 1 is provided with a second vibration controlling arm 54 with one end rotatably fixed on the rear end part of the turning arm 3 and the other end fixed on the turning machine frame 4 and forming a second ring part which has a ring shape in rear view, with the turning machine frame 4. COPYRIGHT: (C)2009,JPO&INPIT
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