PURPOSE: To improve operating efficiency, by inserting a stopper pin, for fixing a die set on a protrudent part at the upper-side part in the a main body, and connecting a levelling arm to the rod of a hydraulic cylinder at the under-outside part of the main body, and providing a lever which performs the engaging and disengaging of a claw with upright and down operation of an operating lever.

CONSTITUTION: A shaft of main loader body 4 is inserted to the bearing part of an arm 3b moving arcwise pivoting on a shaft 3, and bearing pads 5 with rollers 6, a long-sized hydrauslic cylinder 7, and a spring-supported stopper pin 20 are provided on said bearing part. A levelling arm 8 with rollers 8b, is provided by insert-support of bracket 9, insertion of a roller 9a into a long obliquie hole 8a and connection of a short-sized hydraulic cylinder 10, at the under part of the bearing part. Moreover, a lever 16, engaging and disengaging the claw 16a by setting an operating lever upright and down, is provided at the one-outside of the loader main body 4.