Grab (tool)

Updated on Oct 10, 2024

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A grab is a mechanical device with two or more jaws (also called clamshells), used to pick things up or to capture things. Some types include:

Roundnose grab

Clamshell grab

Orange-peel grab

in Dutch and German they are called poliep grijpers/ Polypengreifer = "polyp grabs".

There are different ways of open/close the grabs:

electro-hydraulic / diesel-hydraulic

mechanical by rope(s) (1-rope, 2-ropes, 3-ropes, 4-ropes)

Grabs can be used for:

dredging

bulk handling (e.g. loading/unloading ships)

salvage (e.g. ship-wrecks, oil)

References

(Text) CC BY-SA