cable pulley block

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• block and tackle — noun pulley blocks with associated rope or cable • Hypernyms: ↑hoist • Part Meronyms: ↑pulley, ↑pulley block, ↑pulley block, ↑block * * * noun [singular] : a simple machine that is used to help lift heavy objects and that consists of rope and… …   Useful english dictionary

• Pulley — For the band, see Pulley (band). For the village, see Pulley, Shropshire. For the American photographer, see Gerald P. Pulley. Pulley Pulleys on a ship. In this context, pulleys are usually known as blocks. Classification …   Wikipedia

• pulley — pulleyless, adj. /pool ee/, n., pl. pulleys. 1. a wheel, with a grooved rim for carrying a line, that turns in a frame or block and serves to change the direction of or to transmit force, as when one end of the line is pulled to raise a weight at …   Universalium

• Block and tackle — A block and tackle [ Tackle can be pronEng|ˈteɪkəl in this usage.] is a system of two or more pulleys with a rope or cable threaded between them, usually used to lift or pull heavy loads. TOC Overview Although used in many situations, they are… …   Wikipedia

• block and tackle — the ropes or chains and blocks used in a hoisting tackle. [1830 40] * * * Combination of pulleys with a rope or cable, commonly used to augment pulling force. Two or more of the pulleys are attached to a fixed block, and the remaining pulleys are …   Universalium

• block and tackle — noun Date: 1838 pulley blocks with associated rope or cable for hoisting or hauling …   New Collegiate Dictionary

• pulley — pul•ley [[t]ˈpʊl i[/t]] n. pl. leys 1) mac a wheel for supporting, guiding, or transmitting force to or from a moving rope or cable that rides in a groove in its edge 2) mac a combination of such wheels in a block, or of such wheels or blocks in… …   From formal English to slang

• differential pulley — noun : a tackle consisting of a fixed upper double block with pulleys of different diameters fixed together on the same axis, a movable single lower pulley that carries the load, and an endless cable or chain that passes around all the pulleys… …   Useful english dictionary

• Crane (machine) — A modern crawler type derrick crane with outriggers. The latticed boom is fitted with a jib. A crane is a type of machine, generally equipped with a hoist, wire ropes or chains, and sheaves, that can be used both to lift and lower material …   Wikipedia

• List of Onedin Line episodes — The Onedin Line episode list shows details of the 91 episodes of the BBC television series The Onedin Line. Contents 1 Series 1 2 Series 2 3 …   Wikipedia

• sheave — sheave1 [shēv, shiv] n. [ME sheve, var. of schive < OE * scife, akin to Ger scheibe, disk < IE * skeip < base * skei , to cut > SHEATH] a wheel with a grooved rim, such as is mounted in a pulley block to guide the rope or cable;… …   English World dictionary