DEVICE FOR MOUNTING CLAMPING TYPE BUCKET ON CONSTRUCTION MACHINE ARM

摘要

PROBLEM TO BE SOLVED: To mount a clamping type bucket by operating an arm and a rod. SOLUTION: A temporarily supporting protrusion 18 for temporarily supporting a lower pawl driving transmission shaft at its lower side and a first connection groove 19 in an approximate C-shape to be fitted in the lower pawl driving transmission shaft are provided on the outer face of a rod side base 13. A second connection groove 20 in an approximate C-shape open backward to be fitted in a fixed shaft is provided at the rear of the outer face of the arm side base 9. A third connection groove 21 in an approximate C-shape open frontward to be fitted in an upper pawl driving transmission shaft is provided at the end of the outer face of the arm side base 9. At least one of the second connection groove 20 and the third connection groove 21 is movable to the other. A movement adjusting means 16 is provided for varying a space between the second connection groove 20 and the third connection groove 21.