| 摘要 |
PROBLEM TO BE SOLVED: To provide a coupling device capable of assisting the works of a farm practice machine by an earth scrapper.SOLUTION: A quick coupler device 3 or a coupling device comprises a device body 61 to be mounted on a three-point link hitch portion 11 of a tractor 1. A farm practice machine 2 is detachably mounted on the device body 61. On the device body 61 is detachably equipped with an earth scrapper 62 or an auxiliary part for aiding the works of the farm practice machine 2. The earth scrapper 62 brings the earth of a rising portion, as positioned on the side of a recess of a running trace, to the recess. |
