COUPLING DEVICE FOR WORKING MACHINE OF TRACTOR

PROBLEM TO BE SOLVED: To easily mount a rotary tilling device to the rear of a tractor in a 2P link on single-touch. SOLUTION: A coupling device for a working machine of a tractor includes the universal joint rod 42 configured such that a spline yoke 43 provided with a journal kit 43a at one lateral end on one side in the front part is connected to a clutch yoke 44 provided with a journal kit 44a at one lateral end in the rear by a double yoke 45 to be freely bent; spline holes 43b and 44b are provided in the central part of the spline yoke 43 and clutch yoke 44; the shaft end on the other side of the clutch yoke 44 is pivoted by a bearing 47 internally installed in a supporting metal 46 supported by right and left supporting shafts 46d and 46d under the hitch 37 so as not to be come off; an output shaft 12b at the rear of a traveling car body 5 is inserted into the side of the spline yoke 43; and an input shaft 15b on the side of the rotary tilling device 32 is inserted into the side of the clutch yoke 44. COPYRIGHT: (C)2010,JPO&INPIT