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Also, residential elevators are smaller than commercial elevators. The smallest passenger elevator is pneumatic, and it allows for only 1 person. [84] The smallest traction elevator allows for just 2 persons. [85]
2.5 cm from elevator cabin. 3.0 cm from elevator lobby. 50 cm for door horizontal sensing. 1.8 m for door vertical sensing. Should not fail if any fail-safe related to safety device fails. Response time of the sensing device should be less than 50 milliseconds. Stopping time of the door should be less than 200 milliseconds.
Montgomery Elevator: Acquired by Kone, Canadian division in 1985 and U.S. division in 1994. Marshall Elevator: Sold to Otis; Schweizerische Aufzügefabrik AG; Thyssen AG: Merged with Krupp and became ThyssenKrupp in 1999, with subsidiary ThyssenKrupp Elevator AG; ThyssenKrupp Elevator AG announced in 2021 a name change and rebranding to TK ...
It is often tempting to press the door-close button in an elevator, but that effort will likely not make the doors move any faster. This is because, as the New York Times reports, these buttons ...
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 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.
The Kone EcoSpace elevator is a machine-room-less traction elevator designed for low-rise buildings from 2 to 4 stories as an energy-efficient alternative to hydraulic elevators, and can fit in an existing hydraulic elevator hoistway. Maximum speed is 150 feet per minute (0.76 m/s). [16]
Johnson Lifts established a joint venture with Japanese company Toshiba Elevator and Building Systems Corporation (a subsidiary of Toshiba) called Toshiba Johnson Elevators (India) Pvt. Ltd. on 27 October 2012. [15] [16] [17] Johnson Lifts stated that it entered into the partnership as it lacked the technology to produce high-speed lifts. The ...
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