A lifting hook includes a hook body with a hook stem; a tip; a safety latch with a fastening end and a free latch end, the fastening end being pivotally fastened close to the stem for movement between an open and a closed position, the safety latch being in the open position substantially against the inside of the hook body in a position that leaves the hook jaw open while in a closed position the latch end extends across the hook jaw to the tip of the hook, closing the jaw from the inside; and an actuator of the safety latch arranged between the safety latch and the hook stem, the actuator of the safety latch including a delay mechanism configured to return the safety latch from the open position to the closed position in a delayed manner. A safety latch of a lifting hook is also provided.
Lifting hook and safety latch for lifting hook
2016-10-11
Patent
Elektronische Ressource
Englisch
IPC: | B66C Krane , CRANES / F16B DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES , Vorrichtungen zum Befestigen oder Sichern von Konstruktionselementen oder Maschinenteilen, z.B. Nägel, Bolzen, Schrauben, Sprengringe, Klemmen, Klammern oder Keile |
Lifting hook, safety latch of lifting hook and locking and releasing device of safety latch
Europäisches Patentamt | 2017
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