Patent ID: 9284162
Filing Date: 2016-03-15
CPC Classification: B66C,F16B

Claim Text:
1. A lifting hook comprising: a hook body with a hook stem and a hook tip; a safety latch with a fastening end and a free latch end, the fastening end of the safety latch being pivotally fastened close to the hook stem so as to be moved between an open position and a closed position, the safety latch being in its open position substantially against an inside of the hook body in a position that leaves a hook jaw free, while in the closed position of the safety latch, the latch end extends across the hook jaw to the hook tip and against it, the latch end resting against the inside of the hook body and its jaw, closing the jaw; and an actuator configured to actuate the safety latch, the actuator comprising a spring arranged between the safety latch and the hook body and forcing the latch end into the closed position, a lock configured to lock the safety latch into the open position, and a release configured to release the safety latch from the open position, wherein the lock of the safety latch comprises a cam surface arrangement formed at the fastening end of the safety latch and a locking pawl structure arranged in the hook body, the safety latch, when turned into the open position, locking with the cam surface arrangement, and wherein the release of the safety latch a release latch arranged in front of the safety latch and having a length substantially corresponding to a distance extending across an opening of the jaw and being fastened to a fastening shaft of the safety latch and having at its fastening end a cam surface arrangement affecting the locking pawl structure in order to release the safety latch from the locking pawl structure at least by a downwards turning movement of the release latch, and whereby the release latch, in its waiting-for-release state, is in a position that extends substantially across the jaw.