Patent ID: 7669505

Claim:
A hand tool for gripping a workpiece comprising: a first lever having a first handle and a first jaw; a second lever having a second handle and a second jaw; a locking assembly including a pivoting lever, a locking pin and a blocking member, wherein the pivoting lever is pivotally coupled to the second lever and the blocking member is coupled to the first lever, wherein the pivoting lever is movable between an unlocked position, wherein the first and second jaw move relative to each other and a locked position, wherein the first and second jaws are fixed relative to each other, wherein in the locked position, the locking pin is wedged against a contact surface of the blocking member precluding relative motion of the blocking member and the pivoting lever; and a barrel rotatably received in a boss defined in the second lever, wherein the locking pin is movably received in a slot defined in the barrel.