PROBLEM TO BE SOLVED: To provide a receiving device storage type arm which satisfactorily keeps appearance during storage and does not obstruct a drilling work, in an arm of a backhoe for storing a post-attached attachment receiving device.;SOLUTION: In order to store an attachment receiving device 5 in a lower inside of an arm 1, a bottom plate of the arm 1 is installed as a partition plate 2 in the arm according to the shape of the receiving device 5. In order to install the receiving device 5, plates on both side faces in a portion curved inside of the partition plate 2 are slightly widened downward so as to reinforce the device, and three pin holes are provided on both of the side face plates for the receiving device 5 to rotate and be fixed with a pin for storage or use.;SELECTED DRAWING: Figure 3;COPYRIGHT: (C)2019,JPO&INPIT
展开▼
