elevator safety device

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• 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

• elevator — /el euh vay teuhr/, n. 1. a person or thing that elevates or raises. 2. a moving platform or cage for carrying passengers or freight from one level to another, as in a building. 3. any of various mechanical devices for raising objects or… …   Universalium

• Safety engineering — is an applied science strongly related to systems engineering and the subset System Safety Engineering. Safety engineering assures that a life critical system behaves as needed even when pieces fail.In the real world the term safety engineering… …   Wikipedia

• safety stop — noun : any of various devices to stop an undesirable motion or action: as a. : an attachment for an elevator to prevent accidental falling b. : a device that closes a supply valve and stops an engine in case of accident to the governor belt c. :… …   Useful english dictionary

• Space elevator — A space elevator for Earth would consist of a cable anchored to the Earth s equator, reaching into space. By attaching a counterweight at the end (or by further extending the cable upward for the same purpose), the center of mass is kept well… …   Wikipedia

• Massachusetts Executive Office of Public Safety and Security — The Commonwealth of Massachusetts Public Safety Department is a state organization whose focus is the protection of individuals, groups or environment issues which will, subsequently, affect individuals or groups health or well being. As an… …   Wikipedia

• Glossary of firefighting equipment — Note: This list is incomplete. You can help Wikipedia by [http://en.wikipedia.org/w/index.php?title=Glossary of firefighting equipment action=edit adding to it] . 0 9 * 1 3/4 inch hose: see attack hose * 2 1/2 inch hose: see attack hose , supply… …   Wikipedia

• List of United States inventions — 1700s1731 Sextant * The sextant is an astronomical instrument that is used to determine latitude for navigation. It does this by measuring angular distances, like the altitude of the sun, moon and stars. The sextant was invented independently in… …   Wikipedia

• Lift hill — Goliath (2002), in Walibi Holland of the Netherlands, has a 150 foot (45.7 meter) lift hill. A lift hill, or chain hill, is often the initial upward sloping section of track on a typical roller coaster that initially transports the… …   Wikipedia

• Elisha Otis — Infobox Engineer image size = 150px caption =Elisha Graves Otis name = Elisha Graves Otis nationality = birth date =August 3 1811 birth place =Halifax, Vermont death date =April 8 1861 death place = education = spouse = parents = children =… …   Wikipedia

• Lift Upgrading Programme — (LUP) (Chinese: 电梯翻新) is a Singapore Housing and Development Board (HDB) project which upgrades and improves the facilities of the lifts at HDB flats which became an issue in the 2006 general election. This project is for housing blocks built… …   Wikipedia