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Located on the fire-recall floor is a fire-service key switch. The fire-service key switch has the ability to turn fire service off, turn fire service on or bypass fire service. The only way to return the elevator to normal service is to switch it to bypass after the alarms have reset.
Emporium Centre San Francisco, San Francisco, California, United States, is the first spiral escalator in the Western Hemisphere. [ 35 ] Levytator, a design originating at City University in London, can move in straight lines or curves with or without rising or descending.
An elevator pitch quickly summarises an idea, product or service during a short journey in an elevator. An elevator pitch, elevator speech, lift speech, or elevator statement is a short description of an idea, product, or company that explains the concept in a way such that any listener can understand it in a short period of time. This ...
Elisha Graves Otis (August 3, 1811 – April 8, 1861) was an American industrialist and founder of the Otis Elevator Company. [1] In 1853, he invented a safety device that prevents elevators from falling if the hoisting cable fails.
Elevator, or lift, a device used for raising and lowering people or goods Paternoster lift, a type of lift using a continuous chain of cars which do not stop; Patient lift, or Hoyer lift, mobile lift, ceiling lift, a lift to assist a caregiver for a disabled patient; Rack lift, a type of elevator; Ski lift, an aerial or surface lift for uphill ...
A paternoster in Prague Paternoster elevator in The Hague, when it was still in operation. A paternoster (/ ˌ p eɪ t ər ˈ n ɒ s t ər /, / ˌ p ɑː-/, or / ˌ p æ-/) or paternoster lift is a passenger elevator which consists of a chain of open compartments (each usually designed for two people) that move slowly in a loop up and down inside a building without stopping.
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A simple dumbwaiter is a movable frame in a shaft, dropped by a rope on a pulley, guided by rails; most dumbwaiters have a shaft, cart, and capacity smaller than those of passenger elevators, usually 45 to 450 kg (100 to 992 lbs.) [2] Before electric motors were added in the 1920s, dumbwaiters were controlled manually by ropes on pulleys.