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Elevator. Outside of typical elevators, shown in an office building in Portland, Oregon. This elevator to the Alexanderplatz U-Bahn station in Berlin is built with glass walls and doors, exposing the inner workings. An elevator (American English) or lift (Commonwealth English) is a machine that vertically transports people or freight between ...
Dimensions; Other dimensions: 424 ft (129.2 m) east–west; 187 ft ... The other engine and part of the landing gear plummeted down an elevator shaft, causing a fire ...
The design and construction of skyscrapers involves creating safe, habitable spaces in very high buildings. The buildings must support their weight, resist wind and earthquakes, and protect occupants from fire. Yet they must also be conveniently accessible, even on the upper floors, and provide utilities and a comfortable climate for the occupants.
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.
A guide rail is a device or mechanism to direct products, vehicles or other objects through a channel, conveyor, roadway or rail system. Several types of guide rails exist and may be associated with: Factory or production line conveyors. Power tools, such as table saws. Elevator or lift shafts. Roadways and bridges (in this context sometimes ...
There are six lift shafts of varying heights and speeds, including a high-speed shaft with a travel of 100 metres (328 ft 1 in) and a theoretical maximum speed of 10 m/s (33 ft/s). The tower's renovation was officially completed in July 2010. [ 5 ]
A double-deck elevator or double-deck lift is an elevator where one cab is stacked on top of another. This allows passengers on two consecutive floors to be able to use the elevator simultaneously, significantly increasing the passenger capacity of an elevator shaft. Such a scheme can improve efficiency in buildings where the volume of traffic ...
The Bailong Elevator, 2009. The Bailong Elevator (Chinese: 百龙电梯; literally Hundred Dragons Elevator) is a glass double-deck elevator built onto the side of a cliff in the Wulingyuan area of Zhangjiajie, People's Republic of China, an area noted for more than 3,000 quartzite sandstone pillars and peaks across most of the site, many over 200 metres (660 ft) in height.