PROBLEM TO BE SOLVED: To provide a coupling apparatus for a working machine capable of readily attaching and removing the working machine, and ensuring operating attitude or transfer attitude during operation in a mounting apparatus for coupling the working machine to a tractor.SOLUTION: The coupling apparatus for working machine is provided with an attachment apparatus for the implement equipped with an attaching frame 2 for attaching the implement to the tractor and a mast frame 3 for engaging with the attachment frame 2, installed in the implement which is to be attached on the tractor. The mast frame 3 has the upper part, installed rotatably in the front and rear on the lower part as a fulcrum and the upper part, is attached to an implement frame 70 with a freely stretchable supporting rod 4. Furthermore, a restraining arm 8, for freely detachably attaching the side of the implement 7 to the side of the tractor is installed.COPYRIGHT: (C)2008,JPO&INPIT【課題】 トラクタに作業機を連結する装着装置において、作業機を容易に装着及び取り外しが可能で、作業時の作業姿勢や移動姿勢を不都合なく確保できる装置を提供する。【解決手段】 トラクタに連結する連結枠2と、トラクタに装着する作業機に設けた連結枠2と係合するマストフレーム3とを設け、マストフレーム3は、下方を支点に上方が前後に回動可能に設けられていて、上方は伸縮自在なサポートロッド4により作業機フレーム70と連結されるとともに、作業機7側とトラクタ側を着脱自在に連結する牽制アーム8を設けた作業機の連結装置を提供する。【選択図】 図2
