Lifting hook
A lifting hook is a device for grabbing and lifting loads by means of a device such as a hoist or crane. A lifting hook is usually equipped with a safety latch to prevent the disengagement of the lifting wire rope sling, chain or rope to which the load is attached.
![](../I/m/Lifting_hook_with_a_safety_latch_hanging_from_a_bridge_crane.jpg)
A lifting hook with a safety latch.
A hook may have one or more built-in pulley sheaves as a block and tackle to multiply the lifting force.
![](../I/m/Hook_on_crane_at_Princess_Elizabeth_Graving_Dock%2C_East_London.jpg)
Lifting hook attached to sheave suspended by wire rope from boom of crane
See also
- Hoist (device)
- Crane (machine)
- Wire rope
- Chain
- Rope – Linear combination of plies, yarns or strands which are twisted or braided together
References
- American Society of Mechanical Engineers: ASME B30.10 "Hooks" (2014).
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