| 摘要 |
PROBLEM TO BE SOLVED: To provide an attachment connection device which can be constituted compactly as compared with an attachment connection device comprising a power source for a movable hook and a power source for a lock part even when configured to move the movable hook and lock part.SOLUTION: The present invention relates to an attachment connection device 16 which couples an attachment 15 to an arm tip part of a revolving work vehicle, the attachment connection device comprising; a fixed hook 17 which is engaged with a support pin 15a of the attachment 15; a movable hook 18 configured to rotate to a coupling side and a release side with respect to the fixed hook 17, and engaged with a support pin 15b of the attachment 15; a lock part 19 for preventing the support pin 15a of the attachment 15 from falling from the fixed hook 17; and an actuator 20 for moving the movable hook 18 and lock part 19.SELECTED DRAWING: Figure 3 |
