| 摘要 |
PROBLEM TO BE SOLVED: To enable easy sharp turns of a vehicle by increasing a steering angle of a front wheel to improve efficiency of agricultural work. SOLUTION: This steering device operates front wheels of a tractor provided at both left and right ends of a front axle housing 11. The front wheels 3, 3 are turned around king pins 14, 14 in the vertical direction by driving a first steering means (a cylinder for steering the front wheels) 15. A second steering means (a cylinder for steering the housing) 21 is provided on the front axle housing 11 to turn the housing 11 around a shaft core 13 (a joint 27) in an intermediate part by driving the second steering means. COPYRIGHT: (C)2006,JPO&NCIPI
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