Split self-locking washer

Claim 1

A SELF-LOCKING SPLIT WASHER COMPRISING A RING HAVING AXIALLY AND RADIALLY EXTENDING SURFACES, A GAP, RADIAL UPSTANDING LOCKING TEETH IN AN ANNULAR ZONE ON AN AXIALLY EXTENDING SURFACE OF THE RING FOR GRIPPING THE MEMBERS BETWEEN WHICH THE WASHER IS TIGHTENED, A BITING EDGE HAVING SIDE FACES AND OUTSTANDING FROM ONE RADIALLY EXTENDING SURFACE OF SAID RING ON ONE SIDE OF SAID GAP AND DISPLACED RADIALLY FROM SAID ANNULAR ZONE CONTAINING SAID TEETH, AND ANOTHER BITING EDGE HAVING SIDE FACES OUTSTANDING FROM THE OPPOSITE RADIALLY EXTENDING SURFACE OF SAID RING ON THE OTHER SIDE OF SAID GAP AND DISPLACED RADIALLY FROM SAID ANNULAR ZONE CONTAINING SAID TEETH, EACH OF SAID BITING EDGES BEING INCLINED TO A RADIUS OF THE RING, THE ANGLE OF INCLINATION BETWEEN SAID BITING EDGES FORMING AN ACUTE ANGLE OPENING TOWARDS THE CENTER OF SAID RING, AND THE ELEVATION OF EACH OF SAID BITING EDGES BEING MORE THAN THE ELEVATION OF SAID TEETH, SO THAT SAID MEMBERS ARE GRIPPED BY THE BITING EDGES BEFORE BEING GRIPPED BY SAID TEETH, AND THE SIDE FACES DEFINING SAID BITING EDGES BEING SO FORMED THAT THE FORCES ACTING ON THE BITING EDGES DURING TIGHTENING OF THE WASHER TEND TO CLOSE SAID GAP IN THE WASHER AND SO RESIST SPLAYING OF THE WASHER.