Lifting hook

Details Lifting hook Lifting hook

B - Operations, Transporting

66

C

294/43

B66C 1/36 (2006.01) F16B 45/02 (2006.01)

Patent

CA 1293755

Abstract A lifting hook for automatic release of a load held by a lifting hook comprises a hook member (1) with a hooking portion (2) and a suspension portion (3) as well as an intermediate portion (4) between said portions, a sus- pension means (5) which at least when the hooking portion (2) is loaded is pivoted in the suspension portion (3) and suspended by a traction element, e.g. a chain or the like. The intermediate portion (4) comprises a slot along substantially its whole length, which slot recei- ves the bearing (8) of the suspension means (5), so that this bearing is displaceable in said slot (7). The hook member (1) is arranged to, when the traction element is unloaded followed by a lifting of the hook member (1), be turned from an ordinary load-carrying position to a load-releasing position, preferably 180°, by dis- placement of the centre of gravity of the lifting hook. (Fig 1).

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