Abstract: Load manipulating device (1) including a load manipulator (10) including at least two segments (13, 18) articulated with respect to each other, comprising a boom segment (13) that is similarly articulated on a frame (12) and a balance segment (18) which comprises an end intended to receive a load (20) to be manipulated, the load manipulating device (1) including balancing means (41, 23, 24) such that the load manipulator (10) is stable in any position, whether or not bearing the load, and guidance means (50, 60, 70) distinct from the balancing means for constraining the position of the load manipulator (10).