Patent ID: 7637753

Claim:
A ground clamp having a fixed handle and a movable handle linked together by a spring and a toggling linkage mechanism similar to the design of a conventional locking plier comprising: a L-shape fixed arm with one end riveted to a first end of said fixed handle and the other end made to be cylindrical in shape with a round hole; a L-shape movable arm with one end pivoted to one end of said movable handle and the other end made to be cylindrical in shape with a threaded hole; an U-shape clamping jaw mounted to said round hole of said fixed arm through electrically insulating means; a floating pad with threaded rod attached to said threaded hole of said movable arm; an adjustment screw inserted into a second end of said fixed handle, said adjustment screw having a cylindrical head with a cylindrical hole made perpendicular to its axis; and a L-shape handle inserted to said cylindrical hole of said adjustment screw.