friction hoist
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friction-hoist elevator — An elevator in which the lifting power is transmitted by friction gears instead of the conventional gears with teeth … Ballentine's law dictionary
Hoist (mining) — A drum hoist (cables visible) and motor In underground mining a hoist or winder[1] is used to raise and lower conveyances within the mine shaft. Modern hoists are normally powered using electric motors, historically with … 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
Cregg Mill — and miller s cottage Cregg Mill is a converted 18th century watermill located near Corrandulla village in County Galway, Ireland, approximately 9 miles from Galway City. The mill serviced the local area, including neighbouring Cregg Castle, and… … Wikipedia
Fly system — Fly loft of the Theater Bielefeld in Germany A fly system, flying system or theatrical rigging system, is a system of lines (e.g. ropes), blocks (pulleys), counterweights and related devices within a theatre that enable a stage crew to quickly,… … Wikipedia
USS Iowa turret explosion — USS Iowa s Turret Two explodes Date April 19, 1989 Place Caribbean Sea ne … 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
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
Italy — /it l ee/, n. a republic in S Europe, comprising a peninsula S of the Alps, and Sicily, Sardinia, Elba, and other smaller islands: a kingdom 1870 1946. 57,534,088; 116,294 sq. mi. (301,200 sq. km). Cap.: Rome. Italian, Italia. * * * Italy… … Universalium
Elevator — For other uses, see Elevator (disambiguation). A set of lifts in the lower level of a London Underground station. The arrows indicate each elevator s position and direction of travel … Wikipedia
Flag of Japan — Name Nisshōki[1] or Hinomaru[2] Use … Wikipedia
