Patent ID: 8595906

Claim:
A safety hook, comprising: a hook body comprising a front opening defined in a front end thereof, a latch chamber defined therein in communication with said front opening, and a notch located on one lateral side thereof; a latch inserted into said latch chamber and pivotally connected to said hook body, said latch comprising a latch arm insertable into an upper part of said front opening of said hook body, a sliding groove, at least one locking-control groove and at least one unlocking-control groove formed in said sliding groove, a lateral opening disposed at a bottom side of said latch arm and defining with a lower part of said front opening of said hook body an enclosed opening, and a recess disposed outside said sliding groove and fitting the notch of said hook body; a spring member stopped between said latch and said hook body and imparting a pressure to said latch to force said latch arm into the upper part of said front opening of said hook body; and a safety locking member comprising a split bolt movably inserted into said sliding groove of said latch for locking or unlocking the latch and an operating handle operable to move said split bolt in said sliding groove, said split bolt comprising at least one retaining block; wherein when moving said safety locking member inwards to force said at least one retaining block into engagement with said at least one locking-control groove, said handle is fitted into said notch of said hook body and said recess of said latch and said latch is locked in a latched position where said latch arm is inserted into the upper part of said front opening of said hook body; when moving said safety locking member outwards to disengage said at least one retaining block from said at least one locking-control groove and to force said at least one retaining block into engagement with said at least one unlocking-control groove, said handle is moved away from said notch of said hook body and said recess of said latch and said latch is unlocked and movable relative to said hook body in direction away from said front opening of said hook body.