| 摘要 |
PROBLEM TO BE SOLVED: To provide a disengagement preventing mechanism for an attachment of swiveling working vehicle capable of preventing from a disengagement of the attachment and shortening working time when changing the attachment. SOLUTION: A disengagement preventing mechanism is comprised of two support pins 13a, 13b installed at an attachment 4 wherein a support pin engagement part 15a of a fixed hook 15 and a support pin engagement part 14a of a movable hook 14 are opened from inside and engaged by a hydraulic cylinder 16. A wedge fitting groove 71 is arranged at either part where the fixed hook 15 and the movable hook 14 contact and slide and is fixed between the fixed hook 15 and the movable hook 14 in an arbitrary distance by inserting a wedge-shaped stopper 70 to the wedge fitting groove 71. COPYRIGHT: (C)2009,JPO&INPIT
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