Patent ID: 7976086

Claim:
Safety locking device for a lifting hook comprising a lifting part and a hook part having a first and second shank arranged in the same plane, the first shank being attached to the lifting part, the safety locking device being pivotably attached to the second shank and comprises a spring means formed integrally with the safety locking device and arranged to automatically bring the safety locking device to bear on the opposite shank for preventing unhooking of a hoisting cable or similar means introduced into the hook part, said safety locking device having a general U-shape with two legs, characterized in that the spring means is elongated and attached at one of its ends to that part of the U-shaped safety locking device which connects the two legs of the U, and that a free end of the spring means is arranged to bear on the second shank of the lifting hook, and wherein the second shank is provided with a protrusion facing the first shank, and the free end of the spring means is provided with a recess adapted to cooperate with the protrusion to prevent the safety locking device from disengaging from the second shank.