Patent ID: 7257910

Claim:
An excavating tool system for use on an excavating machine, comprising: a bracket attachable to an underside of a boom stick, the bracket having; a base; a pair of parallel bracket sides extending upward from the base; a plurality of threaded sockets located on the bracket sides; a bifurcated first pivot, including a pair of coaxial trunnions, the trunnions having; an outer plate; a bearing extending from the outer plate; a plurality of bolt holes extending through the outer plate and bearing of each trunnion in complementary alignment with the threaded sockets of the bracket sides; a plurality of threaded fasteners located through the bolt holes and threaded sockets, attaching a trunnion to each of the bracket sides; a second pivot secured to the bracket; an excavating tool pivotally secured at one end to the trunnions and having a third pivot located thereon between the one end and its opposite end; and, a hydraulic cylinder pivotally secured at one end to the second pivot and pivotally secured at the opposite end to the third pivot.