BUCKET DEVICE FOR WORKING MACHINE

PROBLEM TO BE SOLVED: To provide an inexpensive bucket device for a working machine, which enables the easy attachment/detachment of a bucket, seldom suffers a breakdown, and can stand long use. SOLUTION: A second engaging pin 36 can be freely moved to an engageable position A, in which the pin 36 can be engaged with a second locking body 32, and an unengageable position B in which the pin 36 cannot be engaged with the body 32; the body 32 can be freely moved to an engaging position C, in which the pin 36 in the engageable position A is engaged unextractably and undetachably with the body 32, and a disengaging position D in which the pin 36 in the engageable position A is disengaged from the body 32; and the bucket device is provided with an automatic engaging means 45 for moving the body 32 from the disengaging position D to the engaging position C when the pin 36 is moved from the unengageable position B to the engageable position A.