SELF-RACING CRANE EQUIPPED WITH DEPLOYABLE STABILIZING SUPPORTS AND MOBILE FORCE LEGS VERTICALLY ASSOCIATED WITH THEM, AND DEPLOYABLE SUPPORT SO REALIZED

摘要

The object of the invention is a force leg which, while stabilizing a crane, is vertically movable and is actuated by a power source, and which, more specifically, has a vertically oriented, pin-like pin, the rotation of which is prohibited. WHICH IS TRAINED IN A VERTICAL DIRECTION. / P P THE CRANE HAS A DEPLOYABLE SUPPORT 10, 11 OF WHICH EXTERNALLY IS EXTENDED OUTSIDE CRANE C IN A STABILIZATION POSITION; A FORCE LEG 13 ACTUATED BY A POWER SOURCE, MOBILE VERTICALLY AND LOCATED AT THE EXTERNAL END OF SAID DEPLOYABLE SUPPORT 10, 11, THIS FORCE LEG 13 HAVING A LARGE NUT WHICH CAN BE DRIVEN IN ROTATION IN A SENSE OR INTO THE SAME OTHER IN ORDER TO CAUSE ASCENDING AND DESCENDING MOVEMENTS OF A THREADED SPINDLE. / P