safety hoist

safety hoist
noun or safety lift
1. : a hoisting gear that does not overhaul when the tension is released on the fall
2. : a hoisting gear that is provided with a special attachment to prevent overhauling

Useful english dictionary. 2012.

Игры ⚽ Нужна курсовая?

Look at other dictionaries:

  • safety lift — noun see safety hoist …   Useful english 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

  • Hydraulic hooklift hoist — PRESSURE FLOW Hydraulic Oil Pressure = Capacity All hooklift hoists are preset, at the factory, to achieve intended lifting capacity. Turning up the system s pressure will increase lifting capacity, but adjusting or tampering with hoist s… …   Wikipedia

  • Construction site safety — A site safety sign at a highway overpass construction site describing the mandatory safety procedures and equipment. Construction is the most dangerous land based work sector in Europe, after the fishing industry. In the European Union, the fatal …   Wikipedia

  • Otis, Elisha Graves — ▪ American inventor born Aug. 3, 1811, Halifax, Vt., U.S. died April 8, 1861, Yonkers, N.Y.  American inventor of the safety elevator.       A descendant of a James Otis who immigrated from England to New England in 1631, the young Otis grew up… …   Universalium

  • United Technologies Corporation — ▪ American corporation       American multi industry company with significant business concentrations in aerospace products and services, including jet engines and helicopters. Formed in 1934 as United Aircraft Corporation, it adopted its present …   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

  • 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

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”