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A towing sock or wire rope puller or wire pulling grip is a device that connects to the end of a cable, such as a power cable, in order to pull it through a tube or tunnel. [1] It works by tightening around the cable when pulled, in the same manner as a Chinese finger trap . [ 2 ]
Ancient Japanese iron kaginawa climbing hook A chain grapnel – used to recover a cable from the seabed. A grappling hook or grapnel is a device that typically has multiple hooks (known as claws or flukes) attached to a rope or cable; it is thrown, dropped, sunk, projected, or fastened directly by hand to where at least one hook may catch and hold on to objects.
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Steel wire rope (right hand lang lay) Wire rope is composed of as few as two solid, metal wires twisted into a helix that forms a composite rope, in a pattern known as laid rope. Larger diameter wire rope consists of multiple strands of such laid rope in a pattern known as cable laid. Manufactured using an industrial machine known as a strander ...
Diagram 3 shows three rope parts supporting the load W, which means the tension in the rope is W/3. Thus, the mechanical advantage is three-to-one. Thus, the mechanical advantage is three-to-one. By adding a pulley to the fixed block of a gun tackle the direction of the pulling force is reversed though the mechanical advantage remains the same ...
A nylon loop hose strap, with a structural firefighting glove for size comparison. A hose strap (also known as a rope hose tool) is a piece of firefighting equipment. It can be "a short length of rope with an eye loop at one end and a metal hook at the other" [1] or a piece of "flat nylon webbing sewn into a four-foot loop". [2]
The actual reel and rope would weigh about 50–60 pounds and was officially made part of the surf lifesaving community on Sunday 24 March 1906. The reel then was used in the British Isles shortly after being invented.
Marine from the U.S. 31st Marine Expeditionary Unit fast-roping from a CH-46E Sea Knight helicopter during a training exercise in 2008.. Fast-roping is a technique for descending a thick rope, allowing troops to deploy from a helicopter in places where the aircraft cannot touch down.