Double lockwasher construction

Claim 1

IN A ONE-PIECE DOUBLE LOCKWASHER CONSTRUCTION, A PAIR OF DISHED WASHER-LIKE ELEMENTS INTEGRALLY CONNECTED TOGETHER IN FACE-TO-FACE RELATIONSHIP WITH THE CONCAVE SURFACES FACING EACH OTHER, EACH OF SAID WASHER-LIKE ELEMENTS HAVING A CENTRAL OPENING WITH A PLURALITY OF SUBSTANTIALLY RADIALLY INWARDLY DIRECTED LOCKING TEETH EXTENDING FROM THE PERIPHERY THEREOF, THE TEETH OF EACH WASHER-LIKE ELEMENT BEING INCLINED TOWARD THE OTHER WASHER-LIKE ELEMENT AND BEING CIRCUMFERENTIALLY STAGGERED RELATIVE TO THE TEETH ON SAID OTHER ELEMENT SO AS TO PROJECT BETWEEN SAID TEETH TO A POSITION BEYOND THE OUTER SURFACE OF SAID OTHER ELEMENTS TO LOCKING IMPINGE ADJACENT WORK PIECE SURFACES WHEN CLAMPED THEREAGAINST, THE TERMINAL ENDS OF SAID LOCKING TEETH BEING ARCUATE IN THE TRANSVERSE DIRECTION WITH THE CONCAVITY THEREOF FACING AWAY FROM SAID SURFACES WHEREBY THE CORNERS OF SAID TERMINAL ENDS DEFINE RELATIVELY SHARP POINTS, SAID WASHER-LIKE ELEMENT OF COMPRISING A FIRST WASHER-LIKE ELEMENT OF COMPLETE CIRCULAR FORM HAVING A PAIR OF DIAMETRICALLY OPPOSITE ARMS EXTENDING FROM THE OTHER PERIPHERAL THEREOF AND FOLDED TO U-SHAPE AND EACH TERMINATING IN A HALF WASHER-LIKE ELEMENT, THE TWO OF WHICH TOGETHER FORM THE SECOND WASHER-LIKE ELEMENT.