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2. Lifting hook - Wikipedia

   en.wikipedia.org/wiki/Lifting_hook

   A lifting hook with a safety latch. 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.

3. Block and tackle - Wikipedia

   en.wikipedia.org/wiki/Block_and_tackle

   A block and tackle [1] [2] or only tackle [3] is a system of two or more pulleys with a rope or cable threaded between them, usually used to lift heavy loads.. The pulleys are assembled to form blocks and then blocks are paired so that one is fixed and one moves with the load.

4. Overhaul hook ball - Wikipedia

   en.wikipedia.org/wiki/Overhaul_hook_ball

   A crane hook and overhaul ball assembly. An overhaul hook ball, also known as an overhaul ball or headache ball, is a heavy weight that is attached to the end of a crane's cable, above the lifting hook. It is used to keep the cable under sufficient tension even when no load is attached.

5. Crane (machine) - Wikipedia

   en.wikipedia.org/wiki/Crane_(machine)

   Hook: the hook is used to connect the material to the crane, suspended from the hoist rope either at the tip (on luffing jib cranes) or routed through the trolley (on hammerhead cranes). Weights : Large, moveable concrete counterweights are mounted toward the rear of the counterdeck, to compensate for the weight of the goods lifted and keep the ...

6. Rigging (material handling) - Wikipedia

   en.wikipedia.org/wiki/Rigging_(material_handling)

   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.

7. Block-setting crane - Wikipedia

   en.wikipedia.org/wiki/Block-setting_crane

   This represented all the main features of the fully developed block-setting crane, although at a small scale as yet. The fixed horizontal jib extended far enough to place the hook 45 feet from the king post, and the trolley could move 20 feet in from that position. This level carriage was copied from cranes already in use in foundries.