US Patent 9010487 Safety line anchoring system

A safety line anchor system is provided and includes an elongate member including a threaded stud at one end for threading the member on to a threaded opening in a trench plate, a flange fixed to the stud end of the member above the stud base, the flange having two or more openings provided there through for accepting two or more stabilization bolts, a freely rotable platform attached to the end of the elongate member opposite the stud end, the platform including two or more slots cut there through for accepting safety line attachments, and a crane handle fixed to the rotable platform, the crane handle for accepting a crane hook.