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Different types of shackles. The yellow cable ties indicate the date of the last tool inspection. A well-used shackle. A shackle (or shacklebolt), also known as a gyve, is a U-shaped piece of metal secured with a clevis pin or bolt across the opening, or a hinged metal loop secured with a quick-release locking pin mechanism.
It is made from three pieces of rectangular-section 13 mm (0.51 in)-thick steel legs held together with a shackle, allowing connection to a lifting hook. The middle leg is square throughout its length, while the outer legs are thinner at the top, flaring towards the bottom. Held together, the three legs thus form a dovetail shape.
The current American standard for lifting and handling devices is Reference (1), which provides minimum structural and mechanical design and electrical component selection criteria for ASME B30.20 below-the-hook lifting devices. The provisions in this Standard apply to the design or modification of below-the-hook lifting devices. As such:
A moused shackle. There are two main types of clevis pins: threaded and unthreaded. Unthreaded clevis pins have a domed head at one end and a cross-hole at the other end. A cotter pin (US usage) or split pin is used to keep the clevis pin in place. Threaded clevis pins have a partially threaded shank on one end and a formed head on the other.
Rigging is the equipment such as wire rope, turnbuckles, clevis, jacks used with cranes and other lifting equipment [1] in material handling and structure relocation. Rigging systems commonly include shackles, master links and slings, and lifting bags in underwater lifting.
ISO 2415:2004 Forged shackles for general lifting purposes — Dee shackles and bow shackles; ISO 2416:1992 Passenger cars — Mass distribution; ISO 2417:2016 Leather — Physical and mechanical tests — Determination of the static absorption of water; ISO 2418:2017 Leather — Chemical, physical and mechanical and fastness tests — Sampling ...
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