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pulley block hoist

См. также в других словарях:

  • 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

  • Hoist (device) — This article is about Hoist (device). For other uses, see Hoist (disambiguation). A hoist is a device used for lifting or lowering a load by means of a drum or lift wheel around which rope or chain wraps. It may be manually operated, electrically …   Wikipedia

  • hoist — hoister, n. /hoyst/ or, sometimes, /huyst/, v.t. 1. to raise or lift, esp. by some mechanical appliance: to hoist a flag; to hoist the mainsail. 2. to raise to one s lips and drink; drink (esp. beer or whiskey) with gusto: Let s go hoist a few… …   Universalium

  • block — I (New American Roget s College Thesaurus) n. hindrance, blockage, obstruction; row, street, square (See abode); mass, lump, cube (See density). v. t. impede, check, stop, bar; thwart, foil. See closure, identity. II (Roget s IV) n. 1. [A mass,… …   English dictionary for students

  • pulley — n. & v. n. (pl. eys) 1 a grooved wheel or set of wheels for a cord etc. to pass over, set in a block and used for changing the direction of a force. 2 a wheel or drum fixed on a shaft and turned by a belt, used esp. to increase speed or power.… …   Useful english dictionary

  • hoist — 1. verb we hoisted the mainsail Syn: raise, raise up, lift, lift, haul up, heave up, jack up, hike up, winch up, pull up, heft up, upraise, uplift, elevate, erect Ant: lower 2. noun …   Thesaurus of popular words

  • Differential pulley — Figure 1  Differential pulley. A differential pulley, sometimes called a chain hoist, or sometimes colloquially called a chain fall, is used to manually lift very heavy objects like car engines. It is operated by pulling upon the slack… …   Wikipedia

  • 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

  • Sail-plan — A sail plan is a set of drawings, usually prepared by a naval architect. It shows the various combinations of sail proposed for a sailing ship.The combinations shown in a sail plan almost always include three configurations:A light air sail plan …   Wikipedia

  • elevation — I (New American Roget s College Thesaurus) Act of raising Nouns 1. elevation; raising, lifting, erection; upheaval, uplift; exaltation, apotheosis, deification (see deity). Informal, heave, hike, boost. See angularity, vertical. 2. (elevated… …   English dictionary for students

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