| 摘要 |
A farm work machine is provided to prevent inconvenience generated in engagement of one power transfer body and the other transfer body by a bad influence of attached mud. The farm work machine includes: a central working part(2) having a shaft(16); left and right extended working parts(3) having an extended shaft(26); one power transfer body(20) installed on any one of the shaft and the extended shaft; and the other power transfer body(30) installed on any one of the shaft and the extended shaft, and detachably engaged with the one power transfer body. The one power transfer body has plural engagement parts, and the other power transfer body has plural engagement groove parts engaged with the engagement parts. The engagement groove part has an inclined groove bottom surface formed to be inclined so as to recede from the engagement part from a rotary center toward the outer circumferential end. |
