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  2. Elevator - Wikipedia

    en.wikipedia.org/wiki/Elevator

    The first elevator shaft preceded the first elevator by four years. ... for determining the number and size of elevators required for office buildings of a given ...

  3. Skyscraper design and construction - Wikipedia

    en.wikipedia.org/wiki/Skyscraper_design_and...

    If the service core (which contains the elevator shafts) becomes too big, it can reduce the profitability of the building. Architects must therefore balance the value gained by adding height against the value lost to the expanding service core. [10] Many tall buildings use elevators in a non-standard configuration to reduce their footprint.

  4. National Lift Tower - Wikipedia

    en.wikipedia.org/wiki/National_Lift_Tower

    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]

  5. Double-deck elevator - Wikipedia

    en.wikipedia.org/wiki/Double-deck_elevator

    Double-deck elevators at Midland Square, Nagoya, Japan The Bailong Elevator Symbol seen within the upper cabin of the elevator in Roppongi Hills Mori Tower Double lobby ("lower lobby" and "upper lobby") to enter the elevators in Roppongi Hills Mori Tower. A double-deck elevator or double-deck lift is an elevator where one cab is stacked on top ...

  6. Dumbwaiter - Wikipedia

    en.wikipedia.org/wiki/Dumbwaiter

    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.

  7. List of elevator test towers - Wikipedia

    en.wikipedia.org/wiki/List_of_elevator_test_towers

    Emlak Konut Elevator Konya, Turkey 141 ft (43 m) 2022 The tower has 4 elevator shafts that tests different elevator applications. 29 ThyssenKrupp Elevator (Dover) Test Tower [29] (former) TK Elevator, Dover Corporation: Horn Lake, Mississippi, United States 138 ft (42 m) 1964 The tower has 14 elevator shafts that tests different elevator ...

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    mail.aol.com

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  9. Guide rail - Wikipedia

    en.wikipedia.org/wiki/Guide_rail

    Guide rails are part of the inner workings of most elevator and lift shafts, functioning as the vertical, internal track. The guide rails are fixed to two sides of the shaft; one guides the elevator car and the other for the counterweight.