jack chain

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jack chain

[′jak ‚chān]
(design engineering)
A chain made of light wire, with links arranged in figure-eights with loops at right angles.
A toothed endless chain for moving logs.
References in periodicals archive ?
Recovered from them are one unregistered Mack truck containing 15 long pieces of cables, a mercury space wagon vehicle with registration number RSA 686 AJ containing two heavy-duty batteries and three jack chains.
Tumbler Pins With Jack Chains Coupled With S Link For 140Tonne Diesel Hydraulic Breakdwn Crane Cowans Sheldon - Old Design As Per List A Annexure - I And Drawings Enclosed.